420J1在淬火状态下有高的硬度。有较13Cr饮更好的耐腐蚀性能。用于透平叶片.420J2淬火后硬度较420J1钢更高的钢种。用于刃具、喷嘴、阀座、阀门和直尺.420F是改善了420J2钢易切性能的钢种.420F2是不使420J1钢的耐腐蚀性能恶化的铅易切钢.敝司经销有:日本,美国,德国,韩国,南非等国不锈钢:SUS301,301L,301J1,SUS302,302B,SUS303,303Se,SUS304,304L,304J1,304J2,304N1,304N2,304LN,SUS305,SUS309,309S,SUS310,310S,SUS315,315J1,315J2,SUS316,316L,316N,316LN,316Ti,316J1,316J1L,SUS317,317L,317LN,317J1,317J2,317J3L,SUS836L,SUS890L,SUS321,321Ti,SUS347,SUS XM7,SUS XM15J1,SUS329J1等奥氏体不锈钢板.棒.卷.角.管.条.角材，SUS405,SUS410L,SUS429,SUS430,,430L,430F,430LX,430J1L,430FMO,SUS434,SUS436,436L,436J1L,SUS443,SUS444,SUS445J1,445J2,SUS447J1,SUS XM27等铁素体不锈钢板.棒.卷.管.材,SUS403,SUS410,410S,SUS420,420C,420J1,420J2,SUS429J1,SUS440,440A,440B,440C,440F等马氏体不锈钢板.棒.卷.角.管.条.角材，敞司一贯坚持如下理念:质量上严苛要求,在价格上放底利润,在服务上力求更好,在交货上更加及时.
