{"id":4503,"date":"2026-10-08T14:31:03","date_gmt":"2026-10-08T14:31:03","guid":{"rendered":"https:\/\/www.tgsteels.com\/?page_id=4503"},"modified":"2026-10-14T17:54:33","modified_gmt":"2026-10-14T17:54:33","slug":"2358-prime","status":"publish","type":"page","link":"https:\/\/www.tgsteels.com\/fr\/aciers-de-travail-a-froid\/2358-prime\/","title":{"rendered":"2358 PRIME"},"content":{"rendered":"[vc_row type=\u00a0\u00bbfull_width_background\u00a0\u00bb full_screen_row_position=\u00a0\u00bbmiddle\u00a0\u00bb column_margin=\u00a0\u00bbdefault\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb video_bg=\u00a0\u00bbuse_video\u00a0\u00bb video_mp4=\u00a0\u00bbhttps:\/\/www.tgsteels.com\/wp-content\/uploads\/2025\/09\/hss-hero-1.mp4&Prime; video_webm=\u00a0\u00bbhttps:\/\/www.tgsteels.com\/wp-content\/uploads\/2025\/09\/hss-hero-1.webm\u00a0\u00bb video_ogv=\u00a0\u00bbhttps:\/\/www.tgsteels.com\/wp-content\/uploads\/2025\/09\/hss-hero-1.ogv\u00a0\u00bb background_video_loading=\u00a0\u00bbdefault\u00a0\u00bb scene_position=\u00a0\u00bbcenter\u00a0\u00bb text_color=\u00a0\u00bbdark\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb row_border_radius=\u00a0\u00bbnone\u00a0\u00bb row_border_radius_applies=\u00a0\u00bbbg\u00a0\u00bb overflow=\u00a0\u00bbvisible\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb shape_divider_position=\u00a0\u00bbbottom\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb parallax_bg=\u00a0\u00bbtrue\u00a0\u00bb parallax_bg_speed=\u00a0\u00bbfast\u00a0\u00bb gradient_type=\u00a0\u00bbdefault\u00a0\u00bb shape_type=\u00a0\u00bb\u00a0\u00bb][vc_column column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb column_element_direction_desktop=\u00a0\u00bbdefault\u00a0\u00bb column_element_spacing=\u00a0\u00bbdefault\u00a0\u00bb desktop_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_backdrop_filter=\u00a0\u00bbnone\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb column_position=\u00a0\u00bbdefault\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; width=\u00a0\u00bb1\/2&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb animation_type=\u00a0\u00bbdefault\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb border_type=\u00a0\u00bbsimple\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb column_padding_type=\u00a0\u00bbdefault\u00a0\u00bb gradient_type=\u00a0\u00bbdefault\u00a0\u00bb][divider line_type=\u00a0\u00bbNo Line\u00a0\u00bb custom_height=\u00a0\u00bb450&Prime;][vc_column_text css=\u00a0\u00bb\u00a0\u00bb text_direction=\u00a0\u00bbdefault\u00a0\u00bb]\n<h1>2358 PRIME <span style=\"display:block;font-size:.5em;line-height:1.35;margin-top:.4em\">(1.2358, 60CrMoV18-5)<\/span><\/h1>\n[\/vc_column_text][divider line_type=\u00a0\u00bbNo Line\u00a0\u00bb custom_height=\u00a0\u00bb50&Prime;][\/vc_column][vc_column column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb column_element_direction_desktop=\u00a0\u00bbdefault\u00a0\u00bb column_element_spacing=\u00a0\u00bbdefault\u00a0\u00bb desktop_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_backdrop_filter=\u00a0\u00bbnone\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb column_position=\u00a0\u00bbdefault\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; width=\u00a0\u00bb1\/2&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb animation_type=\u00a0\u00bbdefault\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb border_type=\u00a0\u00bbsimple\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb][\/vc_column][\/vc_row][vc_row type=\u00a0\u00bbin_container\u00a0\u00bb full_screen_row_position=\u00a0\u00bbmiddle\u00a0\u00bb column_margin=\u00a0\u00bbdefault\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb scene_position=\u00a0\u00bbcenter\u00a0\u00bb bottom_padding=\u00a0\u00bb60&Prime; text_color=\u00a0\u00bbdark\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb row_border_radius=\u00a0\u00bbnone\u00a0\u00bb row_border_radius_applies=\u00a0\u00bbbg\u00a0\u00bb overflow=\u00a0\u00bbvisible\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb shape_divider_position=\u00a0\u00bbbottom\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb gradient_type=\u00a0\u00bbdefault\u00a0\u00bb shape_type=\u00a0\u00bb\u00a0\u00bb][vc_column column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb column_element_direction_desktop=\u00a0\u00bbdefault\u00a0\u00bb column_element_spacing=\u00a0\u00bbdefault\u00a0\u00bb desktop_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_backdrop_filter=\u00a0\u00bbnone\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb column_position=\u00a0\u00bbdefault\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; width=\u00a0\u00bb1\/1&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb animation_type=\u00a0\u00bbdefault\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb border_type=\u00a0\u00bbsimple\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb][vc_column_text css=\u00a0\u00bb\u00a0\u00bb text_direction=\u00a0\u00bbdefault\u00a0\u00bb]\n<div style=\"max-width:680px\">\n<h4>Acier \u00e0 outils de travail \u00e0 froid \u00e0 haute t\u00e9nacit\u00e9 pour le formage et l\u2019emboutissage important<\/h4>\n<\/div>\n[\/vc_column_text][vc_column_text css=\u00a0\u00bb\u00a0\u00bb text_direction=\u00a0\u00bbdefault\u00a0\u00bb]\n<div style=\"max-width:680px\">\n<p>2358 PRIME;<\/p>\n<ul>\n<li>est un acier moyennement alli\u00e9 avec une grande t\u00e9nacit\u00e9 associ\u00e9e \u00e0 une tr\u00e8s bonne trempabilit\u00e9.<\/li>\n<li>est tr\u00e8s bien adapt\u00e9 pour les durcissement de surface tels que le durcissement laser et le durcissement par induction.<\/li>\n<li>a une bonne soudabilit\u00e9 <em>(tr\u00e8s utile pour la maintenance des outils).<\/em><\/li>\n<li>peut \u00eatre durci jusqu\u2019\u00e0 58 HRC avec un traitement thermique simple.<\/li>\n<\/ul>\n<\/div>\n[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=\u00a0\u00bbin_container\u00a0\u00bb full_screen_row_position=\u00a0\u00bbmiddle\u00a0\u00bb column_margin=\u00a0\u00bbdefault\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb scene_position=\u00a0\u00bbcenter\u00a0\u00bb bottom_padding=\u00a0\u00bb60&Prime; text_color=\u00a0\u00bbdark\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb row_border_radius=\u00a0\u00bbnone\u00a0\u00bb row_border_radius_applies=\u00a0\u00bbbg\u00a0\u00bb overflow=\u00a0\u00bbvisible\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb shape_divider_position=\u00a0\u00bbbottom\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb gradient_type=\u00a0\u00bbdefault\u00a0\u00bb shape_type=\u00a0\u00bb\u00a0\u00bb][vc_column column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb column_element_direction_desktop=\u00a0\u00bbdefault\u00a0\u00bb column_element_spacing=\u00a0\u00bbdefault\u00a0\u00bb desktop_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_backdrop_filter=\u00a0\u00bbnone\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb column_position=\u00a0\u00bbdefault\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; width=\u00a0\u00bb1\/1&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb animation_type=\u00a0\u00bbdefault\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb border_type=\u00a0\u00bbsimple\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb][vc_column_text css=\u00a0\u00bb\u00a0\u00bb text_direction=\u00a0\u00bbdefault\u00a0\u00bb]\n<div style=\"max-width:680px\">\n<h3>Applications<\/h3>\n<p>Le 2358 PRIME peut \u00eatre utilis\u00e9 pour les matrices d\u2019emboutissage de carrosserie automobile, les matrices de formage, les matrices d\u2019emboutissage profond, ainsi que dans les moules segment\u00e9s.<\/p>\n<p>2358 PRIME convient \u00e0 la fabrication rapide de matrices.<\/p>\n<p>2358 PRIME peut \u00eatre utilis\u00e9 pour des poin\u00e7ons \u00e0 g\u00e9om\u00e9trie difficile ou complexe.<\/p>\n<p>2358 PRIME peuvent \u00eatre utilis\u00e9s pour les lames de cisailles, les lames de coupe et les cylindres de d\u00e9coupe ou de roulage.<\/p>\n<p>2358 PRIMEest une alternative ideale pour remplacer les aciers \u00e0 haut carbone avec une faible t\u00e9nacit\u00e9 tels que le <a href=\"https:\/\/www.tgsteels.com\/fr\/aciers-de-travail-a-froid\/2080-prime\/\">2080 PRIME<\/a> et aussi le <a href=\"https:\/\/www.tgsteels.com\/fr\/aciers-de-travail-a-froid\/1-2379-d2\/\">2379 PRIME<\/a>, lorsque la soudabilit\u00e9 et la polissabilit\u00e9 associ\u00e9es \u00e0 une duret\u00e9 \u00e9lev\u00e9e sont requises.<\/p>\n<\/div>\n[\/vc_column_text][vc_column_text css=\u00a0\u00bb\u00a0\u00bb text_direction=\u00a0\u00bbdefault\u00a0\u00bb]\n<div style=\"max-width:680px\">\n<h3>Propri\u00e9t\u00e9s principales<\/h3>\n<ul>\n<li>Bon durcissement sur une forte section<\/li>\n<li>Tr\u00e8s bon durcissement de surface<\/li>\n<li>Forte t\u00e9nacit\u00e9<\/li>\n<li>Forte r\u00e9sistance \u00e0 l\u2019usure<\/li>\n<\/ul>\n<\/div>\n[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=\u00a0\u00bbin_container\u00a0\u00bb full_screen_row_position=\u00a0\u00bbmiddle\u00a0\u00bb column_margin=\u00a0\u00bbdefault\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb scene_position=\u00a0\u00bbcenter\u00a0\u00bb bottom_padding=\u00a0\u00bb60&Prime; text_color=\u00a0\u00bbdark\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb row_border_radius=\u00a0\u00bbnone\u00a0\u00bb row_border_radius_applies=\u00a0\u00bbbg\u00a0\u00bb overflow=\u00a0\u00bbvisible\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb shape_divider_position=\u00a0\u00bbbottom\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb gradient_type=\u00a0\u00bbdefault\u00a0\u00bb shape_type=\u00a0\u00bb\u00a0\u00bb][vc_column column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb column_element_direction_desktop=\u00a0\u00bbdefault\u00a0\u00bb column_element_spacing=\u00a0\u00bbdefault\u00a0\u00bb desktop_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_backdrop_filter=\u00a0\u00bbnone\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb column_position=\u00a0\u00bbdefault\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; width=\u00a0\u00bb1\/1&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb animation_type=\u00a0\u00bbdefault\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb border_type=\u00a0\u00bbsimple\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb][vc_column_text css=\u00a0\u00bb\u00a0\u00bb text_direction=\u00a0\u00bbdefault\u00a0\u00bb]\n<div style=\"max-width:680px\">\n<h3>Composition chimique <em>(typique)<\/em><\/h3>\n<\/div>\n<table>\n<thead>\n<tr>\n<th>C<\/th>\n<th>Mn<\/th>\n<th>Si<\/th>\n<th>P<\/th>\n<th>S<\/th>\n<th>Cr<\/th>\n<th>Mo<\/th>\n<th>V<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>0.60<\/td>\n<td>0.80<\/td>\n<td>0.35<\/td>\n<td>\u2264 0.03<\/td>\n<td>\u2264 0.005<\/td>\n<td>4.50<\/td>\n<td>0.50<\/td>\n<td>0.25<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div style=\"max-width:680px\">\n<h3>D\u00e9signation<\/h3>\n<\/div>\n<table>\n<thead>\n<tr>\n<th>Nuance<\/th>\n<th>ISO<\/th>\n<th>Chine GB<\/th>\n<th>JIS Japon<\/th>\n<th>UK<\/th>\n<th>AISI USA<\/th>\n<th>Russie Gost<\/th>\n<th>AFNOR<\/th>\n<th>Autres \/ Sp\u00e9cial<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1.2358<\/td>\n<td>60CrMoV18-5<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=\u00a0\u00bbin_container\u00a0\u00bb full_screen_row_position=\u00a0\u00bbmiddle\u00a0\u00bb column_margin=\u00a0\u00bbdefault\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb scene_position=\u00a0\u00bbcenter\u00a0\u00bb bottom_padding=\u00a0\u00bb60&Prime; text_color=\u00a0\u00bbdark\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb row_border_radius=\u00a0\u00bbnone\u00a0\u00bb row_border_radius_applies=\u00a0\u00bbbg\u00a0\u00bb overflow=\u00a0\u00bbvisible\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb shape_divider_position=\u00a0\u00bbbottom\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb gradient_type=\u00a0\u00bbdefault\u00a0\u00bb shape_type=\u00a0\u00bb\u00a0\u00bb][vc_column column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb column_element_direction_desktop=\u00a0\u00bbdefault\u00a0\u00bb column_element_spacing=\u00a0\u00bbdefault\u00a0\u00bb desktop_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_backdrop_filter=\u00a0\u00bbnone\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb column_position=\u00a0\u00bbdefault\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; width=\u00a0\u00bb1\/1&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb animation_type=\u00a0\u00bbdefault\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb border_type=\u00a0\u00bbsimple\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb][vc_column_text css=\u00a0\u00bb\u00a0\u00bb text_direction=\u00a0\u00bbdefault\u00a0\u00bb]\n<div style=\"max-width:680px\">\n<h3>Structure<\/h3>\n<p>En raison de la teneur mod\u00e9r\u00e9e en carbone et de la teneur moyenne en chrome, la structure du 2358 PRIME est fine et homog\u00e8ne sans pr\u00e9cipitation ni alignement des carbures.<\/p>\n<h3>Duret\u00e9 \u00e0 l\u2019\u00e9tat de livraison<\/h3>\n<p>Recuit pour un maximum de 240 HB.<\/p>\n<\/div>\n[\/vc_column_text][vc_column_text css=\u00a0\u00bb\u00a0\u00bb text_direction=\u00a0\u00bbdefault\u00a0\u00bb]\n<div style=\"max-width:680px\">\n<h3>Propri\u00e9t\u00e9s physiques<\/h3>\n<\/div>\n<table>\n<thead>\n<tr>\n<th>Temp\u00e9rature<\/th>\n<th>20\u00b0C<\/th>\n<th>350\u00b0C<\/th>\n<th>500\u00b0C<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th>Masse Volumique kg\/m<sup>3<\/sup><\/th>\n<td>7800<\/td>\n<td>7750<\/td>\n<td>7700<\/td>\n<\/tr>\n<tr>\n<th>Module d\u2019Young N\/mm\u00b2<\/th>\n<td>210000<\/td>\n<td>200000<\/td>\n<td>188000<\/td>\n<\/tr>\n<tr>\n<th>Conductivit\u00e9 thermique W\/m.K<\/th>\n<td>20<\/td>\n<td>25<\/td>\n<td>26<\/td>\n<\/tr>\n<tr>\n<th>Coefficient de dilatation lin\u00e9aire10<sup>-6<\/sup>\/K<\/th>\n<td>11.5<\/td>\n<td>11.9<\/td>\n<td>13.5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=\u00a0\u00bbin_container\u00a0\u00bb full_screen_row_position=\u00a0\u00bbmiddle\u00a0\u00bb column_margin=\u00a0\u00bbdefault\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb scene_position=\u00a0\u00bbcenter\u00a0\u00bb bottom_padding=\u00a0\u00bb60&Prime; text_color=\u00a0\u00bbdark\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb row_border_radius=\u00a0\u00bbnone\u00a0\u00bb row_border_radius_applies=\u00a0\u00bbbg\u00a0\u00bb overflow=\u00a0\u00bbvisible\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb shape_divider_position=\u00a0\u00bbbottom\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb gradient_type=\u00a0\u00bbdefault\u00a0\u00bb shape_type=\u00a0\u00bb\u00a0\u00bb][vc_column column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb column_element_direction_desktop=\u00a0\u00bbdefault\u00a0\u00bb column_element_spacing=\u00a0\u00bbdefault\u00a0\u00bb desktop_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_backdrop_filter=\u00a0\u00bbnone\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb column_position=\u00a0\u00bbdefault\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; width=\u00a0\u00bb1\/1&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb animation_type=\u00a0\u00bbdefault\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb border_type=\u00a0\u00bbsimple\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb][vc_column_text css=\u00a0\u00bb\u00a0\u00bb text_direction=\u00a0\u00bbdefault\u00a0\u00bb]\n<div style=\"max-width:680px\">\n<h3>Traitement thermique<\/h3>\n<h4>Recuit d\u2019adoucissement<\/h4>\n<p>Temp\u00e9rature: 820 &#8211; 850\u00b0C, dur\u00e9e 1h + 1h pour une \u00e9paisseur de 25 mm. Refroidissement lent au four <em>(10 \u00e0 20\u00b0C\/h)<\/em>. L\u2019atmosph\u00e8re dans le four doit \u00eatre r\u00e9ductrice pour \u00e9viter la d\u00e9carburation de l\u2019acier.<\/p>\n<h4>Detensionnement<\/h4>\n<p>Apr\u00e8s l\u2019usinage, il est recommand\u00e9 d\u2019effectuer un d\u00e9tensionnement \u00e0 650\u00b0C pendant un minimum de 2 heures, suivi d\u2019un refroidissement lent dans le four jusqu\u2019\u00e0 450\u00b0C.<\/p>\n<h4>Austenitisation<\/h4>\n<p>Pour \u00e9viter tout risque de fissures, il est recommand\u00e9 de pr\u00e9chauffer en deux \u00e9tapes<\/p>\n<ul>\n<li>1re \u00e9tape de pr\u00e9chauffage: temp\u00e9rature: 450\u00b0C Dur\u00e9e: 30 s\/mm d\u2019\u00e9paisseur<\/li>\n<li>2\u00e8me \u00e9tape de pr\u00e9chauffage: temp\u00e9rature: 800\u00b0C Dur\u00e9e: 30 s\/mm d\u2019\u00e9paisseur<\/li>\n<\/ul>\n<p>Temp\u00e9rature d\u2019austenitisation recommand\u00e9e: 950 &#8211; 980\u00b0C. Le temps de maintien ne doit pas \u00eatre trop long pour \u00e9viter un risque de grossissement des grains et de perte de t\u00e9nacit\u00e9-Il est recommand\u00e9 de maintenir la pi\u00e8ce pendant 30 minutes \u00e0 la temp\u00e9rature d\u2019austenitisation, d\u00e8s que le c\u0153ur de la pi\u00e8ce a atteint la temp\u00e9rature d\u2019austenitisation.<\/p>\n<h4>Traitement par le froid<\/h4>\n<p>Pour les pi\u00e8ces qui doivent avoir une grande stabilit\u00e9 dimensionnelle et augmenter la r\u00e9sistance \u00e0 l\u2019usure sans r\u00e9duire la t\u00e9nacit\u00e9, il est recommand\u00e9 de r\u00e9aliser un traitement par le froid \u00e0 une temp\u00e9rature comprise entre -70\u00b0C et -190\u00b0C pendant 1 heure pour 25 mm d\u2019\u00e9paisseur de la pi\u00e8ce. La plage de temp\u00e9rature allant de -70\u00b0C \u00e0 -120\u00b0C <em>(appel\u00e9 traitement \u00e0 froid de l\u2019acier)<\/em> conduit \u00e0 la transformation compl\u00e8te de l\u2019aust\u00e9nite en martensite et, par cons\u00e9quent, \u00e0 une meilleure stabilit\u00e9 associ\u00e9e \u00e0 une duret\u00e9 accrue et \u00e0 une meilleure r\u00e9sistance \u00e0 l\u2019usure ; la plage de temp\u00e9rature de -135\u00b0C \u00e0 -190\u00b0C <em>(appel\u00e9e cryotraitement de l\u2019acier)<\/em> conduit \u00e9galement \u00e0 la transformation de l\u2019aust\u00e9nite et aussi la pr\u00e9cipitation des carbures ultra fins am\u00e9liorant consid\u00e9rablement la r\u00e9sistance \u00e0 l\u2019usure sans modifier la t\u00e9nacit\u00e9. Ce traitement est optionnel pour les applications courantes.<\/p>\n<h4>Milieu de trempe<\/h4>\n<p>Huile \u00e0 80\u00b0C, vide <em>(pression &gt; 6 bars)<\/em>, bain de sel 500 &#8211; 550\u00b0C.<br \/>\nPour garantir une bonne t\u00e9nacit\u00e9, il est pr\u00e9f\u00e9rable de traiter \u00e0 l\u2019huile ou en bain de sel.<br \/>\nApr\u00e8s trempe, la duret\u00e9 est de 60 &#8211; 62 HRC.<\/p>\n<\/div>\n[\/vc_column_text][vc_column_text css=\u00a0\u00bb\u00a0\u00bb text_direction=\u00a0\u00bbdefault\u00a0\u00bb]\n<div style=\"max-width:680px\">\n<h4>Revenu<\/h4>\n<p>Pour garantir un taux minimum d\u2019aust\u00e9nite r\u00e9siduelle ainsi qu\u2019une meilleure stabilit\u00e9 de l\u2019outil, il est essentiel de r\u00e9aliser un double revenu. Chaque revenu est suivi d\u2019un refroidissement \u00e0 temp\u00e9rature inf\u00e9rieure \u00e0 100\u00b0C. Chaque dur\u00e9e de revenu doit \u00eatre au moins \u00e9gale \u00e0 1h + 1h pour une \u00e9paisseur de 25 mm de la pi\u00e8ce trait\u00e9e <em>(\u00e9paisseur thermique \u00e9quivalente)<\/em>.<\/p>\n<\/div>\n[\/vc_column_text][vc_column_text css=\u00a0\u00bb\u00a0\u00bb text_direction=\u00a0\u00bbdefault\u00a0\u00bb]\n<div style=\"max-width:680px\">\n<p><img decoding=\"async\" class=\"wp-image-4434\" src=\"https:\/\/www.tgsteels.com\/wp-content\/uploads\/2026\/10\/2358-prime-courbe-de-revenu.png\" alt=\"2358 PRIME, courbe de revenu : duret\u00e9 (HRC) en fonction de la temp\u00e9rature de revenu (\u00b0C), de 62 HRC environ aux basses temp\u00e9ratures de revenu \u00e0 43 HRC environ \u00e0 800 \u00b0C\" width=\"520\" height=\"499\" loading=\"lazy\" style=\"max-width:100%;height:auto\" srcset=\"https:\/\/www.tgsteels.com\/wp-content\/uploads\/2026\/10\/2358-prime-courbe-de-revenu.png 695w, https:\/\/www.tgsteels.com\/wp-content\/uploads\/2026\/10\/2358-prime-courbe-de-revenu-300x288.png 300w\" sizes=\"auto, (max-width: 520px) 100vw, 520px\" \/><\/p>\n<\/div>\n[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=\u00a0\u00bbin_container\u00a0\u00bb full_screen_row_position=\u00a0\u00bbmiddle\u00a0\u00bb column_margin=\u00a0\u00bbdefault\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb scene_position=\u00a0\u00bbcenter\u00a0\u00bb bottom_padding=\u00a0\u00bb60&Prime; text_color=\u00a0\u00bbdark\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb row_border_radius=\u00a0\u00bbnone\u00a0\u00bb row_border_radius_applies=\u00a0\u00bbbg\u00a0\u00bb overflow=\u00a0\u00bbvisible\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb shape_divider_position=\u00a0\u00bbbottom\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb gradient_type=\u00a0\u00bbdefault\u00a0\u00bb shape_type=\u00a0\u00bb\u00a0\u00bb][vc_column column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb column_element_direction_desktop=\u00a0\u00bbdefault\u00a0\u00bb column_element_spacing=\u00a0\u00bbdefault\u00a0\u00bb desktop_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_backdrop_filter=\u00a0\u00bbnone\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb column_position=\u00a0\u00bbdefault\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; width=\u00a0\u00bb1\/1&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb animation_type=\u00a0\u00bbdefault\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb border_type=\u00a0\u00bbsimple\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb][vc_column_text css=\u00a0\u00bb\u00a0\u00bb text_direction=\u00a0\u00bbdefault\u00a0\u00bb]\n<div style=\"max-width:680px\">\n<h3>Traitement de surface<\/h3>\n<h4>Nitruration<\/h4>\n<p>Le 2358 PRIME n\u2019est pas apte \u00e0 la nitruration car la temp\u00e9rature de revenu du 2358 PRIME est assez basse.<\/p>\n<h4>PVD, CVD<\/h4>\n<p>Le 2358 PRIME convient \u00e0 tous types de traitements PVD et CVD d\u00e8s que la temp\u00e9rature de traitement est inf\u00e9rieure de 30\u00b0C \u00e0 la temp\u00e9rature de trempe pr\u00e9c\u00e9dente.<\/p>\n<\/div>\n[\/vc_column_text][vc_column_text css=\u00a0\u00bb\u00a0\u00bb text_direction=\u00a0\u00bbdefault\u00a0\u00bb]\n<div style=\"max-width:680px\">\n<h3>Polissage<\/h3>\n<p>Le 2358 PRIME est parfaitement adapt\u00e9 au polissage \u00e0 l\u2019\u00e9tat trait\u00e9 et peut \u00eatre utilis\u00e9 pour des applications n\u00e9cessitant un niveau de poli suffisant pour des pi\u00e8ces translucides \u00e0 transparentes <em>(Rt \u2264 20 \u03bcm, niveau CNOMO 2, Rugotest N7)<\/em>. Le polissage optimal est obtenu par formant des \u00e9tapes cons\u00e9cutives avec une rugosit\u00e9 similaire et s\u2019arr\u00eatant d\u00e8s que la derni\u00e8re rayure de l\u2019\u00e9tape pr\u00e9c\u00e9dente dispara\u00eet.<\/p>\n<\/div>\n[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=\u00a0\u00bbin_container\u00a0\u00bb full_screen_row_position=\u00a0\u00bbmiddle\u00a0\u00bb column_margin=\u00a0\u00bbdefault\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb scene_position=\u00a0\u00bbcenter\u00a0\u00bb bottom_padding=\u00a0\u00bb60&Prime; text_color=\u00a0\u00bbdark\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb row_border_radius=\u00a0\u00bbnone\u00a0\u00bb row_border_radius_applies=\u00a0\u00bbbg\u00a0\u00bb overflow=\u00a0\u00bbvisible\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb shape_divider_position=\u00a0\u00bbbottom\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb gradient_type=\u00a0\u00bbdefault\u00a0\u00bb shape_type=\u00a0\u00bb\u00a0\u00bb][vc_column column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb column_element_direction_desktop=\u00a0\u00bbdefault\u00a0\u00bb column_element_spacing=\u00a0\u00bbdefault\u00a0\u00bb desktop_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_backdrop_filter=\u00a0\u00bbnone\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb column_position=\u00a0\u00bbdefault\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; width=\u00a0\u00bb1\/1&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb animation_type=\u00a0\u00bbdefault\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb border_type=\u00a0\u00bbsimple\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb][vc_column_text css=\u00a0\u00bb\u00a0\u00bb text_direction=\u00a0\u00bbdefault\u00a0\u00bb]\n<div style=\"max-width:680px\">\n<h3>Durcissement de surface<\/h3>\n<p>La surface du 2358 PRIME peut \u00eatre durcie par induction, chauffage laser ou chalumeau.<\/p>\n<p>Par induction, il est g\u00e9n\u00e9ralement possible d\u2019atteindre une duret\u00e9 de surface de l\u2019ordre de 62 HRC avec une profondeur de 2 mm <em>(1 mm par laser)<\/em>. Ce durcissement doit \u00eatre suivi d\u2019un revenu \u00e0 basse temp\u00e9rature afin de lib\u00e9rer les contraintes induites par le traitement et d\u2019ajuster la duret\u00e9.<\/p>\n<p>En utilisant un chalumeau oxyac\u00e9tyl\u00e8ne chauff\u00e9 \u00e0 1000\u00b0C suivi d\u2019un trempe \u00e0 l\u2019air, il est tout \u00e0 fait possible d\u2019obtenir une duret\u00e9 de surface de 60 \u00e0 62 HRC.<\/p>\n<\/div>\n[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=\u00a0\u00bbin_container\u00a0\u00bb full_screen_row_position=\u00a0\u00bbmiddle\u00a0\u00bb column_margin=\u00a0\u00bbdefault\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb scene_position=\u00a0\u00bbcenter\u00a0\u00bb bottom_padding=\u00a0\u00bb60&Prime; text_color=\u00a0\u00bbdark\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb row_border_radius=\u00a0\u00bbnone\u00a0\u00bb row_border_radius_applies=\u00a0\u00bbbg\u00a0\u00bb overflow=\u00a0\u00bbvisible\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb shape_divider_position=\u00a0\u00bbbottom\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb gradient_type=\u00a0\u00bbdefault\u00a0\u00bb shape_type=\u00a0\u00bb\u00a0\u00bb][vc_column column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb column_element_direction_desktop=\u00a0\u00bbdefault\u00a0\u00bb column_element_spacing=\u00a0\u00bbdefault\u00a0\u00bb desktop_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_backdrop_filter=\u00a0\u00bbnone\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb column_position=\u00a0\u00bbdefault\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; width=\u00a0\u00bb1\/1&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb animation_type=\u00a0\u00bbdefault\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb border_type=\u00a0\u00bbsimple\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb][vc_column_text css=\u00a0\u00bb\u00a0\u00bb text_direction=\u00a0\u00bbdefault\u00a0\u00bb]\n<div style=\"max-width:680px\">\n<h3>Usinage<\/h3>\n<p>Les param\u00e8tres d\u2019usinage ci-dessous sont donn\u00e9s \u00e0 titre informatif uniquement et doivent \u00eatre adapt\u00e9s en fonction de l\u2019\u00e9quipement et des conditions habituelles d\u2019usinage.<\/p>\n<h4>Tournage<\/h4>\n<\/div>\n<table>\n<thead>\n<tr>\n<th><\/th>\n<th colspan=\"2\">Outils carbure<\/th>\n<th>Outils en acier rapide<\/th>\n<\/tr>\n<tr>\n<th><\/th>\n<th>\u00c9bauchage<\/th>\n<th>Finition<\/th>\n<th>Finition<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th>Vitesse de coupe m\/min<\/th>\n<td>130 &#8211; 170<\/td>\n<td>170 &#8211; 220<\/td>\n<td>17 &#8211; 22<\/td>\n<\/tr>\n<tr>\n<th>Avance mm\/r<\/th>\n<td>0.15 \u2013 0.3<\/td>\n<td>0.1 \u2013 0.15<\/td>\n<td>0.1 \u2013 0.3<\/td>\n<\/tr>\n<tr>\n<th>Profondeur mm<\/th>\n<td>2 &#8211; 3<\/td>\n<td>0.5 \u2013 1.5<\/td>\n<td>0.5 &#8211; 2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div style=\"max-width:680px\">\n<h4>Fraisage surfa\u00e7age<\/h4>\n<\/div>\n<table>\n<thead>\n<tr>\n<th><\/th>\n<th colspan=\"2\">Outils carbure<\/th>\n<th>Monobloc<\/th>\n<\/tr>\n<tr>\n<th><\/th>\n<th>\u00c9bauchage<\/th>\n<th>Finition<\/th>\n<th>Finition<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th>Vitesse de coupe m\/min<\/th>\n<td>140 &#8211; 160<\/td>\n<td>180 &#8211; 200<\/td>\n<td>110 &#8211; 130<\/td>\n<\/tr>\n<tr>\n<th>Avance mm\/r<\/th>\n<td>0.30<\/td>\n<td>0.1 &#8211; 0.2<\/td>\n<td>0.15 &#8211; 0.05<\/td>\n<\/tr>\n<tr>\n<th>Profondeur mm<\/th>\n<td>2 &#8211; 3<\/td>\n<td>1 &#8211; 1.5<\/td>\n<td><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div style=\"max-width:680px\">\n<h4>Per\u00e7age: for\u00eat h\u00e9licoidal en acier rapide<\/h4>\n<\/div>\n<table>\n<thead>\n<tr>\n<th>Diametre du for\u00eat mm<\/th>\n<th>Vitesse de coupe m\/min<\/th>\n<th>Avance mm\/t<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>&lt; 5<\/td>\n<td>14 &#8211; 17<\/td>\n<td>0.05 &#8211; 0.15<\/td>\n<\/tr>\n<tr>\n<td>5 &#8211; 10<\/td>\n<td>14 &#8211; 17<\/td>\n<td>0.15 &#8211; 0.20<\/td>\n<\/tr>\n<tr>\n<td>10 &#8211; 15<\/td>\n<td>14 &#8211; 17<\/td>\n<td>0.20 &#8211; 0.30<\/td>\n<\/tr>\n<tr>\n<td>15 &#8211; 20<\/td>\n<td>14 &#8211; 17<\/td>\n<td>0.30 &#8211; 0.40<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div style=\"max-width:680px\">\n<h4>Per\u00e7age outils carbure<\/h4>\n<\/div>\n<table>\n<thead>\n<tr>\n<th><\/th>\n<th colspan=\"3\">Type de carbure<\/th>\n<\/tr>\n<tr>\n<th><\/th>\n<th>Insert<\/th>\n<th>Carbure monobloc<\/th>\n<th>Pointe carbure<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th>Vitesse de coupe m\/min<\/th>\n<td>160 &#8211; 180<\/td>\n<td>100 &#8211; 130<\/td>\n<td>55 &#8211; 80<\/td>\n<\/tr>\n<tr>\n<th>Avance mm\/t<\/th>\n<td>0.05 &#8211; 0.10<\/td>\n<td>0.10 &#8211; 0.25<\/td>\n<td>0.15 &#8211; 0.25<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n[\/vc_column_text][vc_column_text css=\u00a0\u00bb\u00a0\u00bb text_direction=\u00a0\u00bbdefault\u00a0\u00bb]\n<div style=\"max-width:680px\">\n<h4>Rectification<\/h4>\n<p>Indications g\u00e9n\u00e9rales pour l\u2019utilisation de meules de rectification sur 2358 PRIME \u00e0 l\u2019\u00e9tat trait\u00e9<\/p>\n<p>Habituellement, on utilise des meules \u00e0 l\u2019oxyde d\u2019aluminium vitrifi\u00e9 assez tendres <em>(grades G \u00e0 K pour rectification cylindrique)<\/em>.<\/p>\n<p>Une attention particuli\u00e8re sera port\u00e9e au refroidissement efficace de la surface lors du meulage afin d\u2019\u00e9viter la d\u00e9gradation de la surface de la pi\u00e8ce.<\/p>\n<h4>Usinage par \u00e9lectroerosion<\/h4>\n<p>Le 2358 PRIME convient \u00e9galement \u00e0 l\u2019usinage par \u00e9lectro\u00e9rosion <em>(fil ou \u00e9lectrode)<\/em>. De pr\u00e9f\u00e9rence, l\u2019usinage sera effectu\u00e9 avec une faible densit\u00e9 de courant et une fr\u00e9quence \u00e9lev\u00e9e afin de limiter au maximum l\u2019\u00e9paisseur de la couche blanche.<\/p>\n<p>Il est ensuite n\u00e9cessaire de r\u00e9aliser un d\u00e9tensionnement \u00e0 25\u00b0C en dessous du dernier revenu afin de r\u00e9duire le niveau de contraintes r\u00e9siduelles <em>(qui pourraient entra\u00eener un risque de fissure)<\/em> et effectuer un polissage pour \u00e9liminer compl\u00e8tement la couche blanche form\u00e9e lors du processus d\u2019usinage par \u00e9lectro\u00e9rosion.<\/p>\n<h3>Soudure<\/h3>\n<p>Le 2358 PRIME peut \u00eatre soud\u00e9 soit \u00e0 l\u2019\u00e9tat recuit <em>(mieux)<\/em>, soit \u00e0 l\u2019\u00e9tat trait\u00e9.<\/p>\n<ul>\n<li>M\u00e9thode: TIG <em>(protection pure contre l\u2019AR)<\/em><\/li>\n<li>Fil d\u2019apport: UTP A696<\/li>\n<li>Pr\u00e9chauffage: 250\u00b0C.<br \/>\nMaintenir \u00e0 200\u00b0C pendant l\u2019op\u00e9ration de soudage avec une temp\u00e9rature maximale d\u2019interpasse \u00e0 400\u00b0C. Refroidissement lent <em>(max 20\u00b0C\/h)<\/em> apr\u00e8s soudure.<\/li>\n<li>Post Traitement:\n<ul>\n<li>\u00c0 l\u2019\u00e9tat trait\u00e9: revenu \u00e0 510\u00b0C avec une dur\u00e9e \u00e9gale \u00e0 1h + 1h pour 25 mm d\u2019\u00e9paisseur de la pi\u00e8ce trait\u00e9e <em>(\u00e9paisseur thermique \u00e9quivalente)<\/em>.<\/li>\n<li>\u00c0 l\u2019\u00e9tat recuit: effectuer un recuit d\u2019adoucissement dans les conditions habituelles: temp\u00e9rature: 650\u00b0C, dur\u00e9e 1h + 1h pour 25 mm d\u2019\u00e9paisseur. Refroidissement lent au four <em>(10 \u00e0 20\u00b0C\/h)<\/em><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=\u00a0\u00bbin_container\u00a0\u00bb full_screen_row_position=\u00a0\u00bbmiddle\u00a0\u00bb column_margin=\u00a0\u00bbdefault\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb scene_position=\u00a0\u00bbcenter\u00a0\u00bb bottom_padding=\u00a0\u00bb120&Prime; text_color=\u00a0\u00bbdark\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb row_border_radius=\u00a0\u00bbnone\u00a0\u00bb row_border_radius_applies=\u00a0\u00bbbg\u00a0\u00bb overflow=\u00a0\u00bbvisible\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb shape_divider_position=\u00a0\u00bbbottom\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb gradient_type=\u00a0\u00bbdefault\u00a0\u00bb shape_type=\u00a0\u00bb\u00a0\u00bb][vc_column column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb column_element_direction_desktop=\u00a0\u00bbdefault\u00a0\u00bb column_element_spacing=\u00a0\u00bbdefault\u00a0\u00bb desktop_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_backdrop_filter=\u00a0\u00bbnone\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb column_position=\u00a0\u00bbdefault\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; width=\u00a0\u00bb1\/1&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb animation_type=\u00a0\u00bbdefault\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb border_type=\u00a0\u00bbsimple\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb][vc_column_text css=\u00a0\u00bb\u00a0\u00bb text_direction=\u00a0\u00bbdefault\u00a0\u00bb]\n<div style=\"max-width:680px\">\n<p><a href=\"https:\/\/www.tgsteels.com\/wp-content\/uploads\/2026\/05\/2358-PRIME-FR.pdf\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e9l\u00e9charger la fiche technique 2358 PRIME (PDF)<\/strong><\/a><\/p>\n<p>Autres nuances&nbsp;: <a href=\"https:\/\/www.tgsteels.com\/fr\/aciers-de-travail-a-froid\/\">Aciers de Travail \u00e0 Froid<\/a>. O\u00f9 acheter&nbsp;: <a href=\"https:\/\/www.tgsteels.com\/fr\/reseau-de-services\/\">R\u00e9seau de Services<\/a>.<\/p>\n<\/div>\n[\/vc_column_text][\/vc_column][\/vc_row]\n","protected":false},"excerpt":{"rendered":"<p>[vc_row type=\u00a0\u00bbfull_width_background\u00a0\u00bb full_screen_row_position=\u00a0\u00bbmiddle\u00a0\u00bb column_margin=\u00a0\u00bbdefault\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb video_bg=\u00a0\u00bbuse_video\u00a0\u00bb video_mp4=\u00a0\u00bbhttps:\/\/www.tgsteels.com\/wp-content\/uploads\/2025\/09\/hss-hero-1.mp4&Prime; video_webm=\u00a0\u00bbhttps:\/\/www.tgsteels.com\/wp-content\/uploads\/2025\/09\/hss-hero-1.webm\u00a0\u00bb video_ogv=\u00a0\u00bbhttps:\/\/www.tgsteels.com\/wp-content\/uploads\/2025\/09\/hss-hero-1.ogv\u00a0\u00bb background_video_loading=\u00a0\u00bbdefault\u00a0\u00bb scene_position=\u00a0\u00bbcenter\u00a0\u00bb text_color=\u00a0\u00bbdark\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb row_border_radius=\u00a0\u00bbnone\u00a0\u00bb row_border_radius_applies=\u00a0\u00bbbg\u00a0\u00bb overflow=\u00a0\u00bbvisible\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb shape_divider_position=\u00a0\u00bbbottom\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb parallax_bg=\u00a0\u00bbtrue\u00a0\u00bb parallax_bg_speed=\u00a0\u00bbfast\u00a0\u00bb gradient_type=\u00a0\u00bbdefault\u00a0\u00bb shape_type=\u00a0\u00bb\u00a0\u00bb][vc_column column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb&#8230;<\/p>\n","protected":false},"author":6,"featured_media":0,"parent":1235,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"inline_featured_image":false,"footnotes":""},"class_list":["post-4503","page","type-page","status-publish"],"_links":{"self":[{"href":"https:\/\/www.tgsteels.com\/fr\/wp-json\/wp\/v2\/pages\/4503","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tgsteels.com\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.tgsteels.com\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.tgsteels.com\/fr\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tgsteels.com\/fr\/wp-json\/wp\/v2\/comments?post=4503"}],"version-history":[{"count":1,"href":"https:\/\/www.tgsteels.com\/fr\/wp-json\/wp\/v2\/pages\/4503\/revisions"}],"predecessor-version":[{"id":4623,"href":"https:\/\/www.tgsteels.com\/fr\/wp-json\/wp\/v2\/pages\/4503\/revisions\/4623"}],"up":[{"embeddable":true,"href":"https:\/\/www.tgsteels.com\/fr\/wp-json\/wp\/v2\/pages\/1235"}],"wp:attachment":[{"href":"https:\/\/www.tgsteels.com\/fr\/wp-json\/wp\/v2\/media?parent=4503"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}