{"id":1642,"date":"2025-11-19T17:57:06","date_gmt":"2025-11-19T09:57:06","guid":{"rendered":"https:\/\/www.aluminumetals.com\/?p=1642"},"modified":"2025-11-19T18:11:26","modified_gmt":"2025-11-19T10:11:26","slug":"4cr13-1-4031-sus420j2-stainless-steel-strip","status":"publish","type":"post","link":"https:\/\/www.aluminumetals.com\/cs\/4cr13-1-4031-sus420j2-nerezovy-pas\/","title":{"rendered":"P\u00e1s z nerezov\u00e9 oceli 4Cr13 1.4031 SUS420J2"},"content":{"rendered":"

P\u00e1s z nerezov\u00e9 oceli 4Cr13 (nov\u00fd n\u00e1zev: 40Cr13) je martenzitick\u00e1 nerezov\u00e1 ocel, kter\u00e1 m\u00e1 po kalen\u00ed vy\u0161\u0161\u00ed tvrdost ne\u017e ocel 3Cr13. <\/p>\n\n\n\n

Ocel m\u00e1 dobr\u00e9 mechanick\u00e9 vlastnosti. Po tepeln\u00e9m zpracov\u00e1n\u00ed (kalen\u00ed a popou\u0161t\u011bn\u00ed) m\u00e1 dobrou odolnost proti korozi, le\u0161tic\u00ed vlastnosti, vysokou pevnost a odolnost proti opot\u0159eben\u00ed.<\/p>\n\n\n\n

4Cr13 nerezov\u00e1 ocel<\/a> P\u00e1s se b\u011b\u017en\u011b pou\u017e\u00edv\u00e1 p\u0159i v\u00fdrob\u011b p\u0159\u00edbor\u016f. Obsahuje relativn\u011b mal\u00e9 mno\u017estv\u00ed uhl\u00edku a chromu (kolem 0,40% \u2013 1,00%). Materi\u00e1l m\u00e1 dobrou kalitelnost, odolnost proti opot\u0159eben\u00ed, pevnost a korozi.<\/p>\n\n\n\n

P\u00e1s z nerezov\u00e9 oceli 4Cr13 1.4031 SUS420J2<\/strong><\/p>\n\n\n\n

Mechanick\u00e9 vlastnosti p\u00e1su z nerezov\u00e9 oceli:<\/h2>\n\n\n\n

\u00b7 Tvrdost HRC: \u2265 50 (kalen\u00e1 a popou\u0161t\u011bn\u00e1)<\/p>\n\n\n\n

\u00b7 Tvrdost HBW: \u2264 235 (\u017e\u00edhan\u00e1)<\/p>\n\n\n\n

Pozn\u00e1mky: Pro pr\u016fm\u011br nebo tlou\u0161\u0165ku \u2264 75 mm<\/p>\n\n\n\n

Chemick\u00e9 slo\u017een\u00ed<\/strong><\/p>\n\n\n\n

<\/td>Chemick\u00e9 slo\u017een\u00ed 4Cr13 (%)<\/td><\/tr>
T\u0159\u00edda oceli<\/td>C<\/td>Si (\u2264)<\/td>Mn (\u2264)<\/td>P (\u2264)<\/td>S (\u2264)<\/td>Cr<\/td>Ni (\u2264)<\/td><\/tr>
4Cr13 (40Cr13)<\/td>0.36-0.45<\/td>0.60<\/td>0.80<\/td>0.040<\/td>0.030<\/td>12.00-14.00<\/td>0.60<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Fyzik\u00e1ln\u00ed vlastnosti<\/strong><\/p>\n\n\n\n

Hustota (g\/cm3): 7,75<\/p>\n\n\n\n

M\u011brn\u00e1 tepeln\u00e1 kapacita (J\/kg\u00b7K): 460 p\u0159i 0-100\u2103<\/p>\n\n\n\n

Tepeln\u00e1 vodivost (W\/m\u00b7K):<\/p>\n\n\n\n

28,1 p\u0159i 100 \u00b0C<\/p>\n\n\n\n

28,9 p\u0159i 500 \u00b0C<\/p>\n\n\n\n

Sou\u010dinitele line\u00e1rn\u00ed tepeln\u00e9 rozta\u017enosti (10-6\/K):<\/p>\n\n\n\n

10,5 (0\u2013100 \u00b0C)<\/p>\n\n\n\n

12,0 (0\u2013500 \u00b0C)<\/p>\n\n\n\n

Elektrick\u00fd odpor (\u03bc\u03a9\u00b7m): 0,59 p\u0159i 20\u2103<\/p>\n\n\n\n

Pod\u00e9ln\u00fd modul pru\u017enosti (kN\/mm2): 215 p\u0159i 20\u2103<\/p>\n\n\n\n

Nerezov\u00e1 ocel <\/a>P\u00e1s 4Cr13 je vhodn\u00fd pro v\u00fdrobu plastov\u00fdch forem, forem na pr\u016fhledn\u00e9 plastov\u00e9 v\u00fdrobky atd., kter\u00e9 jsou vystaveny vysok\u00e9mu zat\u00ed\u017een\u00ed, vysok\u00e9 odolnosti proti opot\u0159eben\u00ed a korozivn\u00edmu prost\u0159ed\u00ed. Pou\u017e\u00edv\u00e1 se tak\u00e9 p\u0159i v\u00fdrob\u011b \u010derpadel hork\u00e9ho oleje, n\u00e1stroj\u016f, sedel ventil\u016f, ventil\u016f, trysek, m\u011b\u0159ic\u00edch n\u00e1stroj\u016f, l\u00e9ka\u0159sk\u00fdch za\u0159\u00edzen\u00ed, pru\u017ein atd.<\/p>\n\n\n\n

Podm\u00ednka dod\u00e1n\u00ed<\/strong><\/td> Velikosti<\/strong><\/td> Povrch<\/strong><\/td>Okraj<\/strong><\/td><\/tr>
1.V\u00e1lcovan\u00e9 za studena <\/td>1.Tlou\u0161\u0165ka: 0,09-8mm <\/td>Sv\u011btl\u00e9 \/ Le\u0161t\u011bn\u00e9 \/ Modr\u00e9 \/ \u017dlut\u00e9<\/td>\u0160t\u011brbina <\/td><\/tr>
2. V\u00e1lcovan\u00e9 za studena + \u017e\u00edhan\u00e9 vod\u00edkem <\/td>2.\u0160\u00ed\u0159ka: 6-450mm<\/td>Kolo<\/td><\/tr>
3. Za studena v\u00e1lcovan\u00e9 + kalen\u00e9 + temperovan\u00e9<\/td>Vnit\u0159n\u00ed pr\u016fm\u011br c\u00edvky: 300-800 mm<\/td>N\u00e1m\u011bst\u00ed<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\"P\u00e1s<\/figure>\n\n\n\n

Ekvivalent 4Cr13 je X39Cr13<\/strong> v evropsk\u00fdch i ISO norm\u00e1ch, odpov\u00eddaj\u00edc\u00edch \u010d\u00edslu oceli 1.4031<\/strong>. V \u010c\u00edn\u011b jsou pro tento materi\u00e1l platn\u00e9 normy GB\/T 1220 a GB\/T 3280.<\/p>\n\n\n\n

4Cr13 je levn\u00e1 nerezov\u00e1 ocel, kter\u00e1 se snadno brous\u00ed a je odoln\u00e1 v\u016f\u010di korozi, ale nemus\u00ed si udr\u017eet ost\u0159\u00ed, stejn\u011b jako ocel D2. Ocel D2 je \u0161pi\u010dkov\u00e1 n\u00e1strojov\u00e1 ocel, kter\u00e1 je odoln\u011bj\u0161\u00ed a l\u00e9pe si udr\u017euje ost\u0159\u00ed, ale je m\u00e9n\u011b odoln\u00e1 v\u016f\u010di korozi a m\u016f\u017ee vy\u017eadovat v\u00edce \u00fadr\u017eby.<\/p>\n\n\n\n

SUS420J2 je japonsk\u00e9 ozna\u010den\u00ed pro nerezovou ocel s vysok\u00fdm obsahem uhl\u00edku, zat\u00edmco 4Cr13, 3Cr13 a 5Cr13 jsou \u010d\u00ednsk\u00e1 ozna\u010den\u00ed pro podobn\u00e9 oceli s r\u016fzn\u00fdm obsahem uhl\u00edku. V\u0161echny tyto oceli jsou martenzitick\u00e9 nerezov\u00e9 oceli zn\u00e1m\u00e9 vysokou tvrdost\u00ed, odolnost\u00ed proti opot\u0159eben\u00ed a st\u0159edn\u00ed odolnost\u00ed proti korozi, d\u00edky \u010demu\u017e jsou vhodn\u00e9 pro pou\u017eit\u00ed jako no\u017ee, n\u00e1stroje, l\u00e9ka\u0159sk\u00e9 n\u00e1stroje a plastov\u00e9 formy. <\/p>","protected":false},"excerpt":{"rendered":"

4Cr13 Stainless steel strip (New name: 40Cr13) is a martensitic type stainless steel, which has higher hardness than 3Cr13 steel after quenching. The steel has good mechanical processing performance. After heat treatment (quenching and tempering), it has good corrosion resistance, polishing performance, high strength and wear resistance. 4Cr13 stainless steel strip is commonly used in cutlery […]<\/p>","protected":false},"author":2,"featured_media":1643,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[180,156,179],"class_list":["post-1642","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-stainless-steel-sheet","tag-1-4031-stainless","tag-304-stainless","tag-316stainless"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.aluminumetals.com\/cs\/wp-json\/wp\/v2\/posts\/1642","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.aluminumetals.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.aluminumetals.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.aluminumetals.com\/cs\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.aluminumetals.com\/cs\/wp-json\/wp\/v2\/comments?post=1642"}],"version-history":[{"count":2,"href":"https:\/\/www.aluminumetals.com\/cs\/wp-json\/wp\/v2\/posts\/1642\/revisions"}],"predecessor-version":[{"id":1647,"href":"https:\/\/www.aluminumetals.com\/cs\/wp-json\/wp\/v2\/posts\/1642\/revisions\/1647"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.aluminumetals.com\/cs\/wp-json\/wp\/v2\/media\/1643"}],"wp:attachment":[{"href":"https:\/\/www.aluminumetals.com\/cs\/wp-json\/wp\/v2\/media?parent=1642"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.aluminumetals.com\/cs\/wp-json\/wp\/v2\/categories?post=1642"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.aluminumetals.com\/cs\/wp-json\/wp\/v2\/tags?post=1642"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}