3CR13 Bakin Round Karfe
3Cr13 bakin karfe bututu karfe misali:
GB / T1220-1992, shi ne martensitic bakin karfe, wannan karfe yana da kyau machining yi, bayan zafi magani (quenching da tempering), yana da kyau kwarai lalata juriya, polishing yi, high ƙarfi da kuma sa juriya jima'i.
Misali: GB/T 1220-2007
Alamar Jafananci mai dacewa: SUS420JI
Daidai da tambarin Jamus: X20Cr13/1.4021
Daidai da alamar Amurka: 420



Bisa ga tsarin samarwa, bakin karfe zagaye karfe za a iya raba iri uku: zafi birgima, jabu da sanyi zana. Ƙayyadaddun ƙayyadaddun sanduna masu zafi-birgima bakin karfe zagaye sanduna ne 5.5-250 mm. Daga cikin su: ƙananan sanduna zagaye na bakin karfe na 5.5-25 mm galibi ana ba da su a cikin dauren sanduna madaidaiciya, waɗanda galibi ana amfani da su azaman sandunan ƙarfe, kusoshi da sassa daban-daban na inji; bakin karfe zagaye sanduna girma fiye da 25 mm aka yafi amfani da yi na inji sassa ko sumul karfe bututu billets. .
Matsayin bayarwa:Gabaɗaya, bayarwa yana cikin yanayin yanayin zafi, kuma ana nuna nau'in maganin zafi a cikin kwangilar; idan ba a nuna ba, bayarwa yana cikin yanayin rashin zafi.