{"id":411,"date":"2024-12-12T17:58:48","date_gmt":"2024-12-12T14:58:48","guid":{"rendered":"https:\/\/www.defencemetal.com\/test2\/?page_id=411"},"modified":"2026-09-25T16:29:48","modified_gmt":"2026-09-25T13:29:48","slug":"aisi-420","status":"publish","type":"page","link":"https:\/\/www.defencemetal.com\/index.php\/aisi-420\/","title":{"rendered":"AISI 420 \/ (1.4021)"},"content":{"rendered":"

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AISI 420 \/ (1.4021) \/ UNS S42000 \/ AMS 5506 \/ AMS 5620<\/h1>\n
DEFENCE METAL<\/span><\/p>\n
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AISI 420<\/div>\n
UNS S42000 \u00b7 W.Nr. 1.4021 \u00b7 X20Cr13 \u00b7 MARTENZ\u0130T\u0130K paslanmaz. \u0130K\u0130 FARKLI KARBON TANIMI VARDIR VE BUNLAR AYNI DE\u011e\u0130LD\u0130R. ASTM \/ AISI taraf\u0131 (UNS S42000): C EN AZ %0,15, \u00dcST SINIR YOK \u00b7 Cr %12,00-14,00 \u00b7 Mn en \u00e7ok %1,00 \u00b7 Si en \u00e7ok %1,00 \u00b7 P en \u00e7ok %0,040 \u00b7 S en \u00e7ok %0,030. EN taraf\u0131 (1.4021 \/ X20Cr13): C %0,16-0,25 \u00b7 Cr %12,0-14,0 \u00b7 Si en \u00e7ok %1,00 \u00b7 P en \u00e7ok %0,040 \u00b7 kalan Fe. Yani ASTM’nin 420’si \u00dcST SINIRI A\u00c7IK bir aile ad\u0131d\u0131r; EN’in 1.4021’i o ailenin EN D\u00dc\u015e\u00dcK KARBONLU dar band\u0131d\u0131r. ASTM F899 bu dar band\u0131 ayr\u0131 bir harfle adland\u0131r\u0131r: 420A = C %0,16-0,25. \u00c7\u00d6KELME SERTLE\u015eMEZ; su verme + temperleme ile sertle\u015fir, H900 \/ H1025 benzeri bir ya\u015fland\u0131rma kademesi YOKTUR.<\/div>\n
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Kar\u0131\u015ft\u0131r\u0131lmamas\u0131 gerekenler<\/div>\n

AISI 410<\/a>AISI 440C<\/a><\/div>\n<\/div>\n

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Ne i\u00e7in<\/div>\n
Sertle\u015ftirildikten sonra kesme, kesme a\u011fz\u0131 tutma ve a\u015f\u0131nmaya diren\u00e7 istenen, ayn\u0131 zamanda hafif ortamlarda korozyon direnci beklenen par\u00e7alar i\u00e7in al\u0131n\u0131r: b\u0131\u00e7ak ve kesici a\u011f\u0131z, cerrahi ve dental alet, valf par\u00e7as\u0131, mil, pim, yatak, kal\u0131p ve mastar par\u00e7as\u0131, tar\u0131m b\u0131\u00e7a\u011f\u0131.<\/div>\n<\/div>\n
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Formlar<\/div>\n
Yuvarlak \u00e7ubuk \u00b7 lama \u00b7 levha \u00b7 sac \u00b7 boru \u00b7 d\u00f6vme. T\u00fcm formlar sipari\u015f baz\u0131nda temin edilmektedir.<\/div>\n<\/div>\n
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Standartlar<\/div>\n
ASTM: A276 \/ SA-276 (\u00e7ubuk ve profil; yaln\u0131zca Ko\u015ful A, sertlik tavan\u0131yla) \u00b7 A314 \/ SA-314 (d\u00f6vme k\u00fct\u00fc\u011f\u00fc ve \u00e7ubu\u011fu) \u00b7 A484 \/ SA-484 (genel \u015fartlar) \u00b7 A580 \/ SA-580 (tel) \u00b7 A473 (d\u00f6vme) \u00b7 A493 (so\u011fuk s\u0131kma teli) \u00b7 F899 (cerrahi alet, 420A). EN: 1.4021 \u00b7 10088-2 (yass\u0131 \u00fcr\u00fcn, +A \/ +QT650 \/ +QT750) \u00b7 10088-3 (\u00e7ubuk, +A \/ +QT700 \/ +QT800) \u00b7 10250-4 (a\u00e7\u0131k kal\u0131p d\u00f6vme) \u00b7 EN ISO 7153-1 (cerrahi alet). AMS: 5506 (sac, \u015ferit, levha) \u00b7 5621 (\u00e7ubuk, tel, d\u00f6vme) \u00b7 5620 (\u00e7ubuk, tel, d\u00f6vme). BU \u00dc\u00c7 AMS NUMARASININ KARBON BANDI %0,30-0,40’TIR; standart notuna bak\u0131n\u0131z. Kaynak teli: AWS A5.9 \/ SFA-5.9 ER420.
AMS TUZA\u011eI \u2014 BU KARTIN EN \u00d6NEML\u0130 NOTU BUDUR. SAE ba\u015fl\u0131k kay\u0131tlar\u0131ndan do\u011fruland\u0131: AMS 5506 ‘Sheet, Strip, and Plate, 13Cr (0.30 – 0.40C) (420), Annealed’ \u00b7 AMS 5621 ‘Bars, Wire, and Forgings, 13Cr (0.30-0.40C) (51420), Annealed’ \u00b7 AMS 5620 ‘Bars, Wire,\u2026<\/span><\/div>\n<\/div>\n
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Art\u0131s\u0131<\/div>\n
410’a g\u00f6re ayn\u0131 \u0131s\u0131l i\u015flem \u00e7evrimiyle belirgin \u015fekilde daha y\u00fcksek sertlik verir ve bunun say\u0131sal kar\u015f\u0131l\u0131\u011f\u0131 \u015fudur: Jacquet ayn\u0131 tabloda, 204 \u00b0C’de (400 \u00b0F) temperlenmi\u015f 410 i\u00e7in 43 HRC, ayn\u0131 ko\u015fuldaki 420 i\u00e7in 48 HRC \u00f6l\u00e7er \u2014 5 HRC fark, tek de\u011fi\u015fkeni karbon olan ayn\u0131 \u00e7evrimde.<\/div>\n<\/div>\n
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Kaynak<\/div>\n
420 kaynak i\u00e7in se\u00e7ilen bir malzeme DE\u011e\u0130LD\u0130R; kaynak ediliyorsa tam \u00e7evrim uygulanir. \u00d6N TAV: Carpenter 149-204 \u00b0C (300-400 \u00b0F) \u00b7 AZoM ve The World Material en az 200 \u00b0C (390 \u00b0F) \u00b7 Hobart martenzitik paslanmazlar i\u00e7in 204-316 \u00b0C (400-600 \u00b0F). Pasolar aras\u0131nda \u00f6n tav s\u0131cakl\u0131\u011f\u0131n\u0131n alt\u0131na so\u011futulmaz.<\/div>\n<\/div>\n
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S\u0131n\u0131rlar\u0131<\/div>\n
1) TEMPERLEME YASAK BANDI: 425-600 \u00b0C. AZoM ve Atlas 420 i\u00e7in bu band\u0131 a\u00e7\u0131k\u00e7a yasaklar. Carpenter bunu bir tavan olarak yazar: azami korozyon direnci i\u00e7in 420, 427 \u00b0C (800 \u00b0F) \u00fczerinde TEMPERLENMEZ. Latrobe 420 HC i\u00e7in 427-552 \u00b0C band\u0131n\u0131n hem korozyon direncini hem toklu\u011fu d\u00fc\u015f\u00fcrd\u00fc\u011f\u00fcn\u00fc yazar.<\/div>\n<\/div>\n
TEKL\u0130F \u0130STE<\/a>T\u00fcm paslanmaz \u00e7elikler →<\/a>TEKN\u0130K DETAYLAR ↓<\/span><\/div>\n
Veriler \u00fcretici veri sayfalar\u0131ndan derlenmi\u015ftir · sipari\u015f \u00f6ncesi g\u00fcncel \u015fartnameden teyit ediniz<\/div>\n<\/div>\n<\/div>\n

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