{"id":4229,"date":"2026-10-08T14:21:40","date_gmt":"2026-10-08T14:21:40","guid":{"rendered":"https:\/\/www.tgsteels.com\/?page_id=4229"},"modified":"2026-10-12T13:54:58","modified_gmt":"2026-10-12T13:54:58","slug":"1-2379-d2","status":"publish","type":"page","link":"https:\/\/www.tgsteels.com\/cs\/oceli-pro-praci-za-studena\/1-2379-d2\/","title":{"rendered":"2379 PRIME"},"content":{"rendered":"[vc_row type=“full_width_background“ full_screen_row_position=“middle“ column_margin=“default“ column_direction=“default“ column_direction_tablet=“default“ column_direction_phone=“default“ video_bg=“use_video“ video_mp4=“https:\/\/www.tgsteels.com\/wp-content\/uploads\/2025\/09\/hss-hero-1.mp4″ video_webm=“https:\/\/www.tgsteels.com\/wp-content\/uploads\/2025\/09\/hss-hero-1.webm“ video_ogv=“https:\/\/www.tgsteels.com\/wp-content\/uploads\/2025\/09\/hss-hero-1.ogv“ background_video_loading=“default“ scene_position=“center“ text_color=“dark“ text_align=“left“ row_border_radius=“none“ row_border_radius_applies=“bg“ overflow=“visible“ overlay_strength=“0.3″ gradient_direction=“left_to_right“ shape_divider_position=“bottom“ bg_image_animation=“none“ parallax_bg=“true“ parallax_bg_speed=“fast“ gradient_type=“default“ shape_type=““][vc_column column_padding=“no-extra-padding“ column_padding_tablet=“inherit“ column_padding_phone=“inherit“ column_padding_position=“all“ column_element_direction_desktop=“default“ column_element_spacing=“default“ desktop_text_alignment=“default“ tablet_text_alignment=“default“ phone_text_alignment=“default“ background_color_opacity=“1″ background_hover_color_opacity=“1″ column_backdrop_filter=“none“ column_shadow=“none“ column_border_radius=“none“ column_link_target=“_self“ column_position=“default“ gradient_direction=“left_to_right“ overlay_strength=“0.3″ width=“1\/2″ tablet_width_inherit=“default“ animation_type=“default“ bg_image_animation=“none“ border_type=“simple“ column_border_width=“none“ column_border_style=“solid“ column_padding_type=“default“ gradient_type=“default“][divider line_type=“No Line“ custom_height=“450″][vc_column_text css=““ text_direction=“default“]\n

2379 PRIME (1.2379, X153CrMoV12-1, Cr12Mo1V1A, SKD11, BD2, D2, Z160CDV12)<\/span><\/h1>\n[\/vc_column_text][divider line_type=“No Line“ custom_height=“50″][\/vc_column][vc_column column_padding=“no-extra-padding“ column_padding_tablet=“inherit“ column_padding_phone=“inherit“ column_padding_position=“all“ column_element_direction_desktop=“default“ column_element_spacing=“default“ desktop_text_alignment=“default“ tablet_text_alignment=“default“ phone_text_alignment=“default“ background_color_opacity=“1″ background_hover_color_opacity=“1″ column_backdrop_filter=“none“ column_shadow=“none“ column_border_radius=“none“ column_link_target=“_self“ column_position=“default“ gradient_direction=“left_to_right“ overlay_strength=“0.3″ width=“1\/2″ tablet_width_inherit=“default“ animation_type=“default“ bg_image_animation=“none“ border_type=“simple“ column_border_width=“none“ column_border_style=“solid“][\/vc_column][\/vc_row][vc_row type=“in_container“ full_screen_row_position=“middle“ column_margin=“default“ column_direction=“default“ column_direction_tablet=“default“ column_direction_phone=“default“ scene_position=“center“ bottom_padding=“60″ text_color=“dark“ text_align=“left“ row_border_radius=“none“ row_border_radius_applies=“bg“ overflow=“visible“ overlay_strength=“0.3″ gradient_direction=“left_to_right“ shape_divider_position=“bottom“ bg_image_animation=“none“ gradient_type=“default“ shape_type=““][vc_column column_padding=“no-extra-padding“ column_padding_tablet=“inherit“ column_padding_phone=“inherit“ column_padding_position=“all“ column_element_direction_desktop=“default“ column_element_spacing=“default“ desktop_text_alignment=“default“ tablet_text_alignment=“default“ phone_text_alignment=“default“ background_color_opacity=“1″ background_hover_color_opacity=“1″ column_backdrop_filter=“none“ column_shadow=“none“ column_border_radius=“none“ column_link_target=“_self“ column_position=“default“ gradient_direction=“left_to_right“ overlay_strength=“0.3″ width=“1\/1″ tablet_width_inherit=“default“ animation_type=“default“ bg_image_animation=“none“ border_type=“simple“ column_border_width=“none“ column_border_style=“solid“][vc_column_text css=““ text_direction=“default“]\n
\n

Jedna z nejb\u011b\u017en\u011bj\u0161\u00edch n\u00e1strojov\u00fdch ocel\u00ed pro pr\u00e1ci za studena s velmi dobrou vysokou abrazivn\u00ed a adhezn\u00ed odolnost\u00ed proti opot\u0159eben\u00ed.<\/h4>\n<\/div>\n[\/vc_column_text][vc_column_text css=““ text_direction=“default“]\n
\n

2379 PRIME;<\/p>\n

    \n
  • je 12% Cr ocel vyr\u00e1b\u011bn\u00e1 procesem, kter\u00fd zaru\u010duje odpov\u00eddaj\u00edc\u00ed \u00fa rove\u0148 \u010distoty.<\/li>\n
  • m\u00e1 vysokou odolnost proti abrazivn\u00edmu opot\u0159eben\u00ed a tak\u00e9 dobrou odolnost proti adhezn\u00edmu opot\u0159eben\u00ed.<\/li>\n
  • se vyzna\u010duje odpov\u00eddaj\u00edc\u00ed rozm\u011brovou stabilitou a pevnost\u00ed v tlaku.<\/li>\n
  • 2379 PRIME je velmi vhodn\u00e1 na povrchov\u00e9 \u00fapravy, jako je nitridace v plynov\u00e9, iontov\u00e9 nebo soln\u00e9 l\u00e1zni, a tak\u00e9 pro povlaky PVD nebo CVD.<\/li>\n<\/ul>\n<\/div>\n[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=“in_container“ full_screen_row_position=“middle“ column_margin=“default“ column_direction=“default“ column_direction_tablet=“default“ column_direction_phone=“default“ scene_position=“center“ bottom_padding=“60″ text_color=“dark“ text_align=“left“ row_border_radius=“none“ row_border_radius_applies=“bg“ overflow=“visible“ overlay_strength=“0.3″ gradient_direction=“left_to_right“ shape_divider_position=“bottom“ bg_image_animation=“none“ gradient_type=“default“ shape_type=““][vc_column column_padding=“no-extra-padding“ column_padding_tablet=“inherit“ column_padding_phone=“inherit“ column_padding_position=“all“ column_element_direction_desktop=“default“ column_element_spacing=“default“ desktop_text_alignment=“default“ tablet_text_alignment=“default“ phone_text_alignment=“default“ background_color_opacity=“1″ background_hover_color_opacity=“1″ column_backdrop_filter=“none“ column_shadow=“none“ column_border_radius=“none“ column_link_target=“_self“ column_position=“default“ gradient_direction=“left_to_right“ overlay_strength=“0.3″ width=“1\/1″ tablet_width_inherit=“default“ animation_type=“default“ bg_image_animation=“none“ border_type=“simple“ column_border_width=“none“ column_border_style=“solid“][vc_column_text css=““ text_direction=“default“]\n
    \n

    Pou\u017eit\u00ed<\/h3>\n

    2379 PRIME se pou\u017e\u00edv\u00e1 na tv\u00e1\u0159ec\u00ed, z\u00e1pustkov\u00e9, hlubokota\u017en\u00e9, st\u0159i\u017en\u00e9 formy a n\u00e1stroje v\u00e1lce pro v\u00e1lcov\u00e1n\u00ed za studena<\/p>\n

    2379 PRIME se d\u00e1le pou\u017e\u00edv\u00e1 k v\u00fdrob\u011b matric a razn\u00edk\u016f za studena. Koule na drcen\u00ed kamene. Pr\u016fmyslov\u00e9 no\u017ee. Ru\u010dn\u00ed no\u017ee.<\/p>\n<\/div>\n[\/vc_column_text][vc_column_text css=““ text_direction=“default“]\n

    \n

    Hlavn\u00ed vlastnosti<\/h3>\n
      \n
    • Dobr\u00e1 odolnost proti abrazivn\u00edmu a adhezn\u00edmu opot\u0159eben\u00ed<\/li>\n
    • Dobr\u00e1 pevnost v tlaku<\/li>\n
    • Dobr\u00e1 rozm\u011brov\u00e1 stabilita<\/li>\n
    • Vhodn\u00fd k povrchov\u00fdm \u00faprav\u00e1m<\/li>\n<\/ul>\n<\/div>\n[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=“in_container“ full_screen_row_position=“middle“ column_margin=“default“ column_direction=“default“ column_direction_tablet=“default“ column_direction_phone=“default“ scene_position=“center“ bottom_padding=“60″ text_color=“dark“ text_align=“left“ row_border_radius=“none“ row_border_radius_applies=“bg“ overflow=“visible“ overlay_strength=“0.3″ gradient_direction=“left_to_right“ shape_divider_position=“bottom“ bg_image_animation=“none“ gradient_type=“default“ shape_type=““][vc_column column_padding=“no-extra-padding“ column_padding_tablet=“inherit“ column_padding_phone=“inherit“ column_padding_position=“all“ column_element_direction_desktop=“default“ column_element_spacing=“default“ desktop_text_alignment=“default“ tablet_text_alignment=“default“ phone_text_alignment=“default“ background_color_opacity=“1″ background_hover_color_opacity=“1″ column_backdrop_filter=“none“ column_shadow=“none“ column_border_radius=“none“ column_link_target=“_self“ column_position=“default“ gradient_direction=“left_to_right“ overlay_strength=“0.3″ width=“1\/1″ tablet_width_inherit=“default“ animation_type=“default“ bg_image_animation=“none“ border_type=“simple“ column_border_width=“none“ column_border_style=“solid“][vc_column_text css=““ text_direction=“default“]\n
      \n

      Chemick\u00e9 slo\u017een\u00ed (typick\u00e9)<\/em><\/h3>\n<\/div>\n\n\n\n\n\n
      C<\/th>\nMn<\/th>\nSi<\/th>\nP<\/th>\nS<\/th>\nCr<\/th>\nMo<\/th>\nV<\/th>\n<\/tr>\n<\/thead>\n
      1.52<\/td>\n0.50<\/td>\n0.35<\/td>\n\u2264 0.030<\/td>\n\u2264 0.025<\/td>\n12.0<\/td>\n0.85<\/td>\n0.85<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
      \n

      Ozna\u010den\u00ed<\/h3>\n<\/div>\n\n\n\n\n\n
      \u010c. materi\u00e1lu<\/th>\nISO<\/th>\n\u010c\u00edna GB<\/th>\nJIS Japonsko<\/th>\nUK<\/th>\nAISI USA<\/th>\nRusko Gost<\/th>\nAFNOR<\/th>\nJin\u00e9 \/ speci\u00e1ln\u00ed<\/th>\n<\/tr>\n<\/thead>\n
      1,.2379<\/td>\nX153CrMoV12<\/td>\nCr12Mo1V1A<\/td>\nSKD11<\/td>\nBD2<\/td>\nD2<\/td>\n–<\/td>\nZ160CDV12<\/td>\n–<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=“in_container“ full_screen_row_position=“middle“ column_margin=“default“ column_direction=“default“ column_direction_tablet=“default“ column_direction_phone=“default“ scene_position=“center“ bottom_padding=“60″ text_color=“dark“ text_align=“left“ row_border_radius=“none“ row_border_radius_applies=“bg“ overflow=“visible“ overlay_strength=“0.3″ gradient_direction=“left_to_right“ shape_divider_position=“bottom“ bg_image_animation=“none“ gradient_type=“default“ shape_type=““][vc_column column_padding=“no-extra-padding“ column_padding_tablet=“inherit“ column_padding_phone=“inherit“ column_padding_position=“all“ column_element_direction_desktop=“default“ column_element_spacing=“default“ desktop_text_alignment=“default“ tablet_text_alignment=“default“ phone_text_alignment=“default“ background_color_opacity=“1″ background_hover_color_opacity=“1″ column_backdrop_filter=“none“ column_shadow=“none“ column_border_radius=“none“ column_link_target=“_self“ column_position=“default“ gradient_direction=“left_to_right“ overlay_strength=“0.3″ width=“1\/1″ tablet_width_inherit=“default“ animation_type=“default“ bg_image_animation=“none“ border_type=“simple“ column_border_width=“none“ column_border_style=“solid“][vc_column_text css=““ text_direction=“default“]\n
      \n

      Struktura<\/h3>\n

      Struktura materi\u00e1lu 2379 PRIME je jemn\u00e1 a homogenn\u00ed, bez vylou\u010den\u00fdch hrub\u00fdch karbid\u016f nebo jejich shluk\u016f<\/p>\n

      Zp\u016fsob odl\u00e9v\u00e1n\u00ed do ingotu zaru\u010duje jemn\u00e9 prim\u00e1rn\u00ed karbidy s homogenn\u00edm rozlo\u017een\u00edm ve v\u00fdrobku.<\/p>\n

      Tvrdost p\u0159i dod\u00e1n\u00ed<\/h3>\n

      \u017d\u00edh\u00e1n\u00ed na max. 255 HB.<\/p>\n<\/div>\n[\/vc_column_text][vc_column_text css=““ text_direction=“default“]\n

      \n

      Fyzik\u00e1ln\u00ed vlastnosti<\/h3>\n<\/div>\n\n\n\n\n\n\n\n\n
      Teplota<\/th>\n20\u00b0C<\/th>\n100\u00b0C<\/th>\n200\u00b0C<\/th>\n300\u00b0C<\/th>\n<\/tr>\n<\/thead>\n
      Objemov\u00e1 hmotnost kg\/m\u00b3<\/th>\n7700<\/td>\n7680<\/td>\n7650<\/td>\n7630<\/td>\n<\/tr>\n
      Young\u016fv modul N\/mm\u00b2<\/th>\n215000<\/td>\n205000<\/td>\n199000<\/td>\n193000<\/td>\n<\/tr>\n
      Tepeln\u00e1 vodivost W\/m.K<\/th>\n20<\/td>\n20<\/td>\n21<\/td>\n21.5<\/td>\n<\/tr>\n
      Koeficient line\u00e1rn\u00ed rozta\u017enosti 10-6<\/sup>\/K<\/th>\n12<\/td>\n12.3<\/td>\n12.4<\/td>\n12.5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=“in_container“ full_screen_row_position=“middle“ column_margin=“default“ column_direction=“default“ column_direction_tablet=“default“ column_direction_phone=“default“ scene_position=“center“ bottom_padding=“60″ text_color=“dark“ text_align=“left“ row_border_radius=“none“ row_border_radius_applies=“bg“ overflow=“visible“ overlay_strength=“0.3″ gradient_direction=“left_to_right“ shape_divider_position=“bottom“ bg_image_animation=“none“ gradient_type=“default“ shape_type=““][vc_column column_padding=“no-extra-padding“ column_padding_tablet=“inherit“ column_padding_phone=“inherit“ column_padding_position=“all“ column_element_direction_desktop=“default“ column_element_spacing=“default“ desktop_text_alignment=“default“ tablet_text_alignment=“default“ phone_text_alignment=“default“ background_color_opacity=“1″ background_hover_color_opacity=“1″ column_backdrop_filter=“none“ column_shadow=“none“ column_border_radius=“none“ column_link_target=“_self“ column_position=“default“ gradient_direction=“left_to_right“ overlay_strength=“0.3″ width=“1\/1″ tablet_width_inherit=“default“ animation_type=“default“ bg_image_animation=“none“ border_type=“simple“ column_border_width=“none“ column_border_style=“solid“][vc_column_text css=““ text_direction=“default“]\n
      \n

      Tepeln\u00e9 zpracov\u00e1n\u00ed<\/h3>\n

      M\u011bkk\u00e9 \u017e\u00edh\u00e1n\u00ed<\/h4>\n

      Teplota: 820 – 850\u00b0C, doba trv\u00e1n\u00ed 1 h + 1 h pro tlou\u0161\u0165ku 25 mm. pomal\u00e9 chlazen\u00ed v peci (10 a\u017e 20\u00b0C\/h)<\/em>. Atmosf\u00e9ra v peci mus\u00ed b\u00fdt reduk\u010dn\u00ed, aby nedo\u0161lo k oduhli\u010den\u00ed oceli.<\/p>\n

      Odstran\u011bn\u00ed pnut\u00ed<\/h4>\n

      Po opracov\u00e1n\u00ed se doporu\u010duje prov\u00e9st odstran\u011bn\u00ed pnut\u00ed p\u0159i teplot\u011b 650\u00b0C po dobu minim\u00e1ln\u011b 2 hodiny, s n\u00e1sledn\u00fdm pomal\u00fdm ochlazen\u00edm v peci na teplotu 450\u00b0C.<\/p>\n

      Austenitizace<\/h4>\n

      Aby se p\u0159ede\u0161lo riziku poprask\u00e1n\u00ed, doporu\u010duje se p\u0159edeh\u0159\u00edvat ve 2 kroc\u00edch.<\/p>\n

        \n
      • 1. krok p\u0159edeh\u0159evu: teplota: 550\u00b0C \u010das: 30 s\/mm tlou\u0161\u0165ky<\/li>\n
      • 2. krok p\u0159edeh\u0159evu: teplota: 850\u00b0C \u010das: 30 s\/mm tlou\u0161\u0165ky<\/li>\n<\/ul>\n

        Doporu\u010den\u00e1 teplota austenitizace: 1030 – 1080\u00b0C. Doba v\u00fddr\u017ee nesm\u00ed b\u00fdt p\u0159\u00edli\u0161 dlouh\u00e1, aby se p\u0159ede\u0161lo riziku hrubnut\u00ed zrn a ztr\u00e1t\u011b hou\u017eevnatosti. Jakmile teplota povrchu dos\u00e1hne teploty austenitizace, doporu\u010duje se udr\u017eovat d\u00edl p\u0159i teplot\u011b austenitizace 30 minut na palec tlou\u0161\u0165ky.<\/p>\n

        Kalic\u00ed m\u00e9dium<\/h4>\n

        Olej p\u0159i 80\u00b0C, vakuum (tlak > 6 bar\u016f)<\/em>, soln\u00e1 l\u00e1ze\u0148 500 – 550\u00b0C.
        \nPro zaji\u0161t\u011bn\u00ed dobr\u00e9 hou\u017eevnatosti je vhodn\u011bj\u0161\u00ed zpracov\u00e1n\u00ed za pou\u017eit\u00ed oleje nebo soln\u00e9 l\u00e1zn\u011b.<\/p>\n

        Zpracov\u00e1n\u00ed pod bodem mrazu<\/h4>\n

        U d\u00edl\u016f, kter\u00e9 maj\u00ed m\u00edt vysokou rozm\u011brovou stabilitu a vy\u0161\u0161\u00ed odolnost proti opot\u0159eben\u00ed bez sn\u00ed\u017een\u00ed hou\u017eevnatosti, se doporu\u010duje prov\u00e1d\u011bt zpracov\u00e1n\u00ed pod bodem mrazu p\u0159i teplot\u011b mezi -70\u00b0C a -190\u00b0C po dobu 1 hodiny na 25 mm tlou\u0161\u0165ky d\u00edlu.<\/p>\n

        Teplotn\u00ed rozsah od -70\u00b0C do -120\u00b0C (tzv. zpracov\u00e1n\u00ed oceli za studena)<\/em> vede k \u00fapln\u00e9 p\u0159em\u011bn\u011b austenitu na martenzit a v d\u016fsledku toho k lep\u0161\u00ed stabilit\u011b spojen\u00e9 s vy\u0161\u0161\u00ed tvrdost\u00ed a lep\u0161\u00ed odolnost\u00ed proti opot\u0159eben\u00ed. Teplotn\u00ed rozsah od -135\u00b0C do -190\u00b0C (tzv. kryogenn\u00ed zpracov\u00e1n\u00ed oceli)<\/em> vede tak\u00e9 k \u00fapln\u00e9 p\u0159em\u011bn\u011b austenitu a d\u00e1le k vylu\u010dov\u00e1n\u00ed ultrajemn\u00fdch karbid\u016f, co\u017e v\u00fdrazn\u011b zlep\u0161uje odolnost proti opot\u0159eben\u00ed bez zm\u011bny hou\u017eevnatosti.<\/p>\n<\/div>\n[\/vc_column_text][vc_column_text css=““ text_direction=“default“]\n

        \n

        Popou\u0161t\u011bn\u00ed<\/h4>\n

        Aby byl obsah zbytkov\u00e9ho austenitu co nejni\u017e\u0161\u00ed a z\u00e1rove\u0148 byla zaji\u0161t\u011bna v\u011bt\u0161\u00ed stabilita n\u00e1stroje je nezbytn\u00e9 prov\u00e9st dvoj\u00ed (lep\u0161\u00ed je troj\u00ed)<\/em> popou\u0161t\u011bn\u00ed. Po ka\u017ed\u00e9m popou\u0161t\u011bn\u00ed n\u00e1sleduje ochlazen\u00ed pod 100\u00b0C.<\/p>\n

        Doba ka\u017ed\u00e9ho popou\u0161t\u011bn\u00ed mus\u00ed b\u00fdt nejm\u00e9n\u011b 1 h + 1 h na 25 mm tlou\u0161\u0165ky opracov\u00e1van\u00e9ho d\u00edlu (ekvivalentn\u00ed tepeln\u00e1 tlou\u0161\u0165ka)<\/em>.<\/p>\n

        Tvrdost v z\u00e1vislosti na teplot\u011b popou\u0161t\u011bn\u00ed: Obvykl\u00e1 tvrdost pro pou\u017eit\u00ed pro pr\u00e1ci za studena se pohybuje v rozmez\u00ed 58 a\u017e 61 HRC a dosahuje se popou\u0161t\u011bn\u00edm mezi 450 a 500\u00b0C. Pro pou\u017eit\u00ed pro pr\u00e1ci za tepla lze pou\u017e\u00edvat vy\u0161\u0161\u00ed teploty popou\u0161t\u011bn\u00ed.<\/p>\n

        Aby se zabr\u00e1nilo vzniku velk\u00fdch karbid\u016f, kter\u00e9 maj\u00ed negativn\u00ed vliv na hou\u017eevnatost, je vhodn\u011bj\u0161\u00ed prov\u00e1d\u011bt austenitizaci p\u0159i co mo\u017en\u00e1 nejni\u017e\u0161\u00ed teplot\u011b, tj. 1000 nebo 1020\u00b0C.<\/p>\n

        V n\u00e1sleduj\u00edc\u00ed tabulce jsou uvedeny hodnoty tvrdosti HRC z\u00edskan\u00e9 v z\u00e1vislosti na teplot\u011b popou\u0161t\u011bn\u00ed a teplot\u011b austenitizace.<\/p>\n<\/div>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
        <\/th>\nTeplota austenitizace \u00b0C<\/th>\n<\/tr>\n
        Teplota popou\u0161t\u011bn\u00ed \u00b0C<\/th>\n1000<\/th>\n1025<\/th>\n1050<\/th>\n1080<\/th>\n<\/tr>\n<\/thead>\n
        100<\/th>\n60<\/td>\n61<\/td>\n62<\/td>\n–<\/td>\n<\/tr>\n
        200<\/th>\n59<\/td>\n60<\/td>\n60<\/td>\n–<\/td>\n<\/tr>\n
        300<\/th>\n58<\/td>\n58<\/td>\n58<\/td>\n58<\/td>\n<\/tr>\n
        400<\/th>\n57<\/td>\n58<\/td>\n59<\/td>\n57.5<\/td>\n<\/tr>\n
        450<\/th>\n57<\/td>\n58<\/td>\n60<\/td>\n59.5<\/td>\n<\/tr>\n
        500<\/th>\n57<\/td>\n60<\/td>\n61<\/td>\n61<\/td>\n<\/tr>\n
        550<\/th>\n54<\/td>\n55<\/td>\n55<\/td>\n56<\/td>\n<\/tr>\n
        600<\/th>\n44<\/td>\n45<\/td>\n47<\/td>\n50<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n[\/vc_column_text][vc_column_text css=““ text_direction=“default“]\n
        \n

        \"2379<\/p>\n<\/div>\n[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=“in_container“ full_screen_row_position=“middle“ column_margin=“default“ column_direction=“default“ column_direction_tablet=“default“ column_direction_phone=“default“ scene_position=“center“ bottom_padding=“60″ text_color=“dark“ text_align=“left“ row_border_radius=“none“ row_border_radius_applies=“bg“ overflow=“visible“ overlay_strength=“0.3″ gradient_direction=“left_to_right“ shape_divider_position=“bottom“ bg_image_animation=“none“ gradient_type=“default“ shape_type=““][vc_column column_padding=“no-extra-padding“ column_padding_tablet=“inherit“ column_padding_phone=“inherit“ column_padding_position=“all“ column_element_direction_desktop=“default“ column_element_spacing=“default“ desktop_text_alignment=“default“ tablet_text_alignment=“default“ phone_text_alignment=“default“ background_color_opacity=“1″ background_hover_color_opacity=“1″ column_backdrop_filter=“none“ column_shadow=“none“ column_border_radius=“none“ column_link_target=“_self“ column_position=“default“ gradient_direction=“left_to_right“ overlay_strength=“0.3″ width=“1\/1″ tablet_width_inherit=“default“ animation_type=“default“ bg_image_animation=“none“ border_type=“simple“ column_border_width=“none“ column_border_style=“solid“][vc_column_text css=““ text_direction=“default“]\n

        \n

        Povrchov\u00e1 \u00faprava<\/h3>\n

        Nitridace<\/h4>\n

        2379 PRIME lze nitridovat p\u0159i teplot\u00e1ch ni\u017e\u0161\u00edch nebo rovn\u00fdch 20\u00b0C pod teplotou popou\u0161t\u011bn\u00ed bez rizika zhor\u0161en\u00ed mechanick\u00fdch vlastnost\u00ed.<\/p>\n

        Tvrdost nitridov\u00e9 vrstvy se pohybuje kolem 1100 HV1 a jej\u00ed tlou\u0161\u0165ka z\u00e1vis\u00ed na procesu nitridace.<\/p>\n

        PVD, CVD<\/h4>\n

        2379 PRIME se hod\u00ed pro v\u0161echny druhy \u00faprav PVD a CVD, pokud je teplota zpracov\u00e1n\u00ed o 30\u00b0C ni\u017e\u0161\u00ed ne\u017e teplota posledn\u00edho popou\u0161t\u011bn\u00ed.<\/p>\n<\/div>\n[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=“in_container“ full_screen_row_position=“middle“ column_margin=“default“ column_direction=“default“ column_direction_tablet=“default“ column_direction_phone=“default“ scene_position=“center“ bottom_padding=“60″ text_color=“dark“ text_align=“left“ row_border_radius=“none“ row_border_radius_applies=“bg“ overflow=“visible“ overlay_strength=“0.3″ gradient_direction=“left_to_right“ shape_divider_position=“bottom“ bg_image_animation=“none“ gradient_type=“default“ shape_type=““][vc_column column_padding=“no-extra-padding“ column_padding_tablet=“inherit“ column_padding_phone=“inherit“ column_padding_position=“all“ column_element_direction_desktop=“default“ column_element_spacing=“default“ desktop_text_alignment=“default“ tablet_text_alignment=“default“ phone_text_alignment=“default“ background_color_opacity=“1″ background_hover_color_opacity=“1″ column_backdrop_filter=“none“ column_shadow=“none“ column_border_radius=“none“ column_link_target=“_self“ column_position=“default“ gradient_direction=“left_to_right“ overlay_strength=“0.3″ width=“1\/1″ tablet_width_inherit=“default“ animation_type=“default“ bg_image_animation=“none“ border_type=“simple“ column_border_width=“none“ column_border_style=“solid“][vc_column_text css=““ text_direction=“default“]\n

        \n

        Obr\u00e1b\u011bn\u00ed<\/h3>\n

        N\u00ed\u017ee uveden\u00e9 parametry obr\u00e1b\u011bn\u00ed jsou pouze informativn\u00ed a mus\u00ed b\u00fdt upraveny v z\u00e1vislosti na za\u0159\u00edzen\u00ed a obvykl\u00fdch podm\u00ednk\u00e1ch obr\u00e1b\u011bn\u00ed.<\/p>\n

        Soustru\u017een\u00ed<\/h4>\n<\/div>\n\n\n\n\n\n\n\n\n
        <\/th>\nKarbidov\u00e1 vlo\u017eka<\/th>\nN\u00e1stroj z HSS<\/th>\n<\/tr>\n
        <\/th>\nHrub\u00e9 soustru\u017een\u00ed<\/th>\nDokon\u010dovac\u00ed pr\u00e1ce<\/th>\nSoustru\u017een\u00ed<\/th>\n<\/tr>\n<\/thead>\n
        \u0158ezn\u00e1 rychlost m\/min<\/th>\n100 – 150<\/td>\n140 – 200<\/td>\n10 – 15<\/td>\n<\/tr>\n
        Posuv mm\/r<\/th>\n0.2 – 0.4<\/td>\n0.1 – 0.2<\/td>\n0.1 – 0.3<\/td>\n<\/tr>\n
        Hloubka \u0159ezu mm<\/th>\n2 – 4<\/td>\n0.5 – 2<\/td>\n0.5 – 2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
        \n

        Fr\u00e9zov\u00e1n\u00ed: povrchov\u00e1 \u00faprava<\/h4>\n<\/div>\n\n\n\n\n\n\n\n\n
        <\/th>\nKarbidov\u00e9 n\u00e1stroje<\/th>\nCelistv\u00fd n\u00e1stroj<\/th>\n<\/tr>\n
        <\/th>\nHrub\u00e9 obr\u00e1b\u011bn\u00ed<\/th>\n\u00bd dokon\u010dovac\u00ed pr\u00e1ce<\/th>\nDokon\u010dovac\u00ed pr\u00e1ce<\/th>\n<\/tr>\n<\/thead>\n
        \u0158ezn\u00e1 rychlost m\/min<\/th>\n100 – 120<\/td>\n160 – 180<\/td>\n80 -100<\/td>\n<\/tr>\n
        Posuv mm\/r<\/th>\n0.2 – 0.4<\/td>\n0.1 – 0.2<\/td>\n0.02 – 0.2<\/td>\n<\/tr>\n
        Hloubka \u0159ezu mm<\/th>\n2 – 4<\/td>\n0.5 – 2<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n[\/vc_column_text][vc_column_text css=““ text_direction=“default“]\n
        \n

        Vrt\u00e1n\u00ed: karbidov\u00fd vrt\u00e1k<\/h4>\n<\/div>\n\n\n\n\n\n\n\n
        <\/th>\nTyp karbidu<\/th>\n<\/tr>\n
        <\/th>\nIndexovateln\u00e1 vlo\u017eka<\/th>\nSlinut\u00fd karbid<\/th>\nKarbidov\u00fd hrot<\/th>\n<\/tr>\n<\/thead>\n
        \u0158ezn\u00e1 rychlost m\/min<\/th>\n130 – 150<\/td>\n80 – 90<\/td>\n35 – 45<\/td>\n<\/tr>\n
        Posuv mm\/t<\/th>\n0.05 – 0.10<\/td>\n0.10 – 0.25<\/td>\n0.15 – 0.25<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
        \n

        Spir\u00e1lov\u00fd vrt\u00e1k z HSS<\/h4>\n<\/div>\n\n\n\n\n\n\n\n\n
        Pr\u016fm\u011br vrt\u00e1ku mm<\/th>\n\u0158ezn\u00e1 rychlost m\/min<\/th>\nPosuv mm\/t<\/th>\n<\/tr>\n<\/thead>\n
        < 5<\/td>\n10 – 12<\/td>\n0.05 – 0.15<\/td>\n<\/tr>\n
        5 – 10<\/td>\n10 – 12<\/td>\n0.15 – 0.20<\/td>\n<\/tr>\n
        10 – 15<\/td>\n10 – 12<\/td>\n0.20 – 0.25<\/td>\n<\/tr>\n
        15 – 20<\/td>\n10 – 12<\/td>\n0.25 – 0.30<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
        \n

        Jemn\u00e9 brou\u0161en\u00ed<\/h4>\n

        Obecn\u00e9 pokyny k pou\u017eit\u00ed brusn\u00fdch kotou\u010d\u016f na 2379 PRIME po tepeln\u00e9m zpracov\u00e1n\u00ed.<\/p>\n

        Obvykle se pou\u017e\u00edvaj\u00ed sp\u00ed\u0161e m\u011bkk\u00e9 brusn\u00e9 kotou\u010de z vitrifikovan\u00e9ho oxidu hlinit\u00e9ho (t\u0159\u00eddy G pro rovinn\u00e9 brou\u0161en\u00ed a\u017e K pro brou\u0161en\u00ed v\u00e1lcov\u00fdch ploch)<\/em>.<\/p>\n

        Zvl\u00e1\u0161tn\u00ed pozornost je t\u0159eba v\u011bnovat \u00fa\u010dinn\u00e9mu chlazen\u00ed povrchu b\u011bhem brou\u0161en\u00ed, aby se p\u0159ede\u0161lo degradaci povrchu materi\u00e1lu.<\/p>\n

        Elektrojiskrov\u00e9 obr\u00e1b\u011bn\u00ed<\/h4>\n

        2379 PRIME se hod\u00ed tak\u00e9 k elektrojiskrov\u00e9mu obr\u00e1b\u011bn\u00ed (EDM) (dr\u00e1t nebo elektroda)<\/em>. P\u0159ednostn\u011b se obr\u00e1b\u011bn\u00ed prov\u00e1d\u00ed p\u0159i n\u00edzk\u00e9 proudov\u00e9 hustot\u011b a vysok\u00e9 frekvenci, aby se co mo\u017en\u00e1 nejv\u00edce omezila tlou\u0161\u0165ka b\u00edl\u00e9 vrstvy.<\/p>\n

        Potom je nutn\u00e9 odstranit pnut\u00ed p\u0159i teplot\u011b 25\u00b0C pod posledn\u00edm popou\u0161t\u011bn\u00edm, aby se sn\u00ed\u017eila \u00farove\u0148 zbytkov\u00fdch nap\u011bt\u00ed (kter\u00e1 by mohla v\u00e9st k riziku vzniku trhlin)<\/em>, a le\u0161t\u011bn\u00ed, aby se zcela odstranila b\u00edl\u00e1 vrstva vznikl\u00e1 b\u011bhem procesu elektrojiskrov\u00e9ho obr\u00e1b\u011bn\u00ed.<\/p>\n

        Sva\u0159ov\u00e1n\u00ed<\/h3>\n

        2379 PRIME nelze sva\u0159ovat.<\/p>\n<\/div>\n[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=“in_container“ full_screen_row_position=“middle“ column_margin=“default“ column_direction=“default“ column_direction_tablet=“default“ column_direction_phone=“default“ scene_position=“center“ bottom_padding=“120″ text_color=“dark“ text_align=“left“ row_border_radius=“none“ row_border_radius_applies=“bg“ overflow=“visible“ overlay_strength=“0.3″ gradient_direction=“left_to_right“ shape_divider_position=“bottom“ bg_image_animation=“none“ gradient_type=“default“ shape_type=““][vc_column column_padding=“no-extra-padding“ column_padding_tablet=“inherit“ column_padding_phone=“inherit“ column_padding_position=“all“ column_element_direction_desktop=“default“ column_element_spacing=“default“ desktop_text_alignment=“default“ tablet_text_alignment=“default“ phone_text_alignment=“default“ background_color_opacity=“1″ background_hover_color_opacity=“1″ column_backdrop_filter=“none“ column_shadow=“none“ column_border_radius=“none“ column_link_target=“_self“ column_position=“default“ gradient_direction=“left_to_right“ overlay_strength=“0.3″ width=“1\/1″ tablet_width_inherit=“default“ animation_type=“default“ bg_image_animation=“none“ border_type=“simple“ column_border_width=“none“ column_border_style=“solid“][vc_column_text css=““ text_direction=“default“]\n

        \n

        St\u00e1hnout produktov\u00fd list 2379 PRIME (PDF)<\/strong><\/a><\/p>\n

        Dal\u0161\u00ed jakosti: Oceli pro pr\u00e1ci za studena<\/a>. Kde koupit: Servisn\u00ed centra<\/a>.<\/p>\n<\/div>\n[\/vc_column_text][\/vc_column][\/vc_row]\n","protected":false},"excerpt":{"rendered":"

        [vc_row type=“full_width_background“ full_screen_row_position=“middle“ column_margin=“default“ column_direction=“default“ column_direction_tablet=“default“ column_direction_phone=“default“ video_bg=“use_video“ video_mp4=“https:\/\/www.tgsteels.com\/wp-content\/uploads\/2025\/09\/hss-hero-1.mp4″ video_webm=“https:\/\/www.tgsteels.com\/wp-content\/uploads\/2025\/09\/hss-hero-1.webm“ video_ogv=“https:\/\/www.tgsteels.com\/wp-content\/uploads\/2025\/09\/hss-hero-1.ogv“ background_video_loading=“default“ scene_position=“center“ text_color=“dark“ text_align=“left“ row_border_radius=“none“ row_border_radius_applies=“bg“ overflow=“visible“ overlay_strength=“0.3″ gradient_direction=“left_to_right“ shape_divider_position=“bottom“ bg_image_animation=“none“ parallax_bg=“true“ parallax_bg_speed=“fast“ gradient_type=“default“ shape_type=““][vc_column column_padding=“no-extra-padding“ column_padding_tablet=“inherit“ column_padding_phone=“inherit“ column_padding_position=“all“…<\/p>\n","protected":false},"author":6,"featured_media":0,"parent":2687,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"inline_featured_image":false,"footnotes":""},"class_list":["post-4229","page","type-page","status-publish"],"_links":{"self":[{"href":"https:\/\/www.tgsteels.com\/cs\/wp-json\/wp\/v2\/pages\/4229","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tgsteels.com\/cs\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.tgsteels.com\/cs\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.tgsteels.com\/cs\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tgsteels.com\/cs\/wp-json\/wp\/v2\/comments?post=4229"}],"version-history":[{"count":2,"href":"https:\/\/www.tgsteels.com\/cs\/wp-json\/wp\/v2\/pages\/4229\/revisions"}],"predecessor-version":[{"id":4236,"href":"https:\/\/www.tgsteels.com\/cs\/wp-json\/wp\/v2\/pages\/4229\/revisions\/4236"}],"up":[{"embeddable":true,"href":"https:\/\/www.tgsteels.com\/cs\/wp-json\/wp\/v2\/pages\/2687"}],"wp:attachment":[{"href":"https:\/\/www.tgsteels.com\/cs\/wp-json\/wp\/v2\/media?parent=4229"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}