统一数字代号：A24202执行标准：GB/T3077-1999化学成分：C:0.17-0.23Si:0.90-1.20Mn:0.80-1.10Cr:0.80-1.10Mo:Ni:V:其它性能特点：具有较高的强度和韧性，冷变形加工塑性高，低温冲击韧度较好，适于冷轧冷拔等冷作工艺，焊接性较好，在制作小截面工件时，其性能不亚于铬钼钢合镍铬钢，但钢的淬透性较低，回火脆性较大。一般不作渗碳钢用，需要时，也可在淬火回火后使用德国低温钢20MN61.116914NI61.562224NI81.563312NI1410NI141.5637X12NI512NI191.5680X8NI91.5662X7NI91.566311MNNI5-31.621213MNNI6-31.621715NIMN61.6228X7NIMO61.634926CRMO41.7219X2CRNIN18-101.4311X2CRNIMON17-11-21.4406德国渗碳结构钢C101.0301C10PB(C10GPB)1.0302C151.0401C15PB(C15GPB)1.0403C10E1.1121C15E1.1141C16E1.114810NICR5-41.580514NICR101.573214NICR1415NICR31.575214NICR181.586016NICR41.571416NICRS41.571518NICR5-41.581017CRNI6-61.591815CRNI61.591918CRNI81.592020NICRMO2-21.652321NICRMO21.652617NICRMO6-41.656617NICRMOS6-41.656920NICRMOS6-41.657118CRNIMO7-617CRNIMO61.658714NICRMO13-41.665713CR21.701215CR31.701517CR31.701617CRS31.701420CR41.702720CRS41.702828CR41.703028CRS41.703616MNCR51.713116MNCRS51.713920MNCR51.714720MNCRS51.714916MNCRB51.716018CRMO41.724318CRMOS41.724415CRMO51.726220CRMO51.726423CRMOB3-31.727120CRMOS2(20CRMO2)1.731120MOCR31.732020MOCRS41.732325MOCR41.732525MOCRS41.732622CRMOS3-51.7333德国渗氮结构钢34CRAL61.850434CRALS51.850634CRALMO51.850741CRALMO71.850931CRMO121.851531CRMOV91.851915CRMOV5-91.852139CRMOV13-91.852334CRALNI71.8550德国火焰和高频加表面淬火用钢CF35(C35G)1.1185CF45(***5G)1.1193CF53(C53G)1.1213CF70(C70G)1.124940MN41.115737MNSI51.512245CR21.700538CR41.704342CR41.704534CRMO41.722041CRMO41.722349CRMO41.723851CRV4(50CRV4)1.815958CRV41.816179NIL1.697183NIL1.6972)