212A42对应国内是什么材料？

212A42英标环保快削钢,圆棒,光圆,磨光棒,研磨棒,黑皮棒（13524351833）

212A42对应标准BS 970-3-1991 
机械及相关工程用钢的棒料 

212A42 化学元素成分含量(%)

成分C Si Mn P S Cu Mo

最小值0.4  -  1-  0.12  -  -

最大值0.45  0.25  1.3  0.06  0.2  0.3  0.3

合金结构钢中国:20Mn230Mn235Mn240Mn245Mn250Mn220MnV35SiMn42SiMn40B45B50B40MnB45MnB20Mn2B20MnMoB15Cr15CrA20Cr35Cr40Cr45Cr50Cr12CrMo15CrMo20CrMo30CrMo30CrMoA35CrMo42CrMo12Cr1MoV25Cr2Mo1VA38CrMoAl20CrV50CrVA15CrMn20CrMn40CrMn20CrMnMo40CrMnMo20CrMnTi30CrMnTi20CrNi

40CrNi45CrNi12CrNi212CrNi320CrNi330CrNi312Cr2Ni420Cr2NiMo40Cr2NiMoA

合金结构钢国际：22Mn628Mn636Mn642Mn620Cr434Cr441Cr418CrMo34CrMo442CrMo441CrAlMo7420MnCr541Cr415NiCr1320Cr2NiMo

合金结构钢美国:1541B50B401047B50B448B205115G511505120G512005130G5130051355132G51350G5140051405145G5145051475150A182-F11A387Cr.B41184130G41300413741354140G4140041426120G61200G61500G511503140G31400G331003316E331633253330E33103310H8720G862004340G43400

合金结构钢日本:SMn420SMn433SMn433HSCMn443SMn438SMn438HSCr415SCr420SCr420HSCr430SCr435SCr435HSCr440SCr440HSCr445STC42STT42STB42SCM415SCM412SCM420SCM430SCM435SCM440SCM645SUP10SMnC420SCM421SCM440SMK22SNC236SNC415SNC815SNC631SNC631HSNC836SNCM4120SNCM439

合金结构钢德国:36NiCrMo440NiCrMo621NiCrMo214NiCr1828NiCr1020NiCr1414NiCr1414NiCr1040NiCr630MnCrTi442CrMo420CrMo541Cr420MnCr516MnCr551CrV421CrV434CrAlMo541CrAlMo713CrMoV4224CrMoV5541CrMo442CrMo434CrMo425CrMo415CrMo516CrMo4418CrMo4513CrMo4441Cr438Cr237Cr434Cr428Cr420Cr417Cr315Cr346MnSi437MnSi520MnV650Mn736Mn736Mn534Mn530Mn528Mn620Mn5

合金结构钢英国:150M41928Mn6150M418150M41En46170H41185H40175H23527A17523M415590M417527A19527M41034Cr4530A3034Cr4530A30530A32530A3541Cr4520A40530A40530M40534A99620Cr.B165325CrMo4708M410CDS12CDS11025CrMo41717COS11034CrMo4708A37708M40905M39905M3151CrV4735A51735A50708A42637M417640M40832H13655M413665A12653M31655A12659M415655M413659M415655H13805M4103S973S99

合金结构钢法国：41S738MB512C318C332C438C238C442C445C450C412CD415CD4.0518CD425CD435CD442CD442CD4TS30CAD6.1250CV416MC520MC514NC1114NC1220NC1130NC1212NCD240NCD3

标准结构钢:8N810CD610CD8.1010CND610F210N310N810N1210NC1210NCD410NCD510NCD1210ND410ND810Pb210PbF212C312CD412CD1012M512MF412NC212NC1212NC1512ND1614NC1214NCD615CD215CD3.515NCD215ND815ND1416N616NC1116NC1216NCD416NCD516NCD1718C218C318C418CND618N318NC1218NC1320CD420CD820CD1220CDV620F220N820N1220NC220NC1120ND820ND1620Pb222N825NC625NC1125NCD425NCD525NCD1525NCD1628C428CDV530CAD6.1230N830NC630NC1230NC1630NCD230NCD830NCD1130NCD1230NCD1530NCD1632CDV1232CND832CND1132M532NC235C235MF435N335NC635NCD235NCD435NCD535NCD1435Pb238CMND838NS540CD440M540N340NC1740NCD240NCD2TS40NCD340NCD3TS40NCD1840NCD1941S745C245C645CDV445M545NC245S850C450S755C255M560S770N8100CDV4105WC20XC6XC15XC35XC38TSXC48TSXC65XC70XC80XC85XC130Z2NKD18.8Z12N5Z18N5Z55NMC12.05

合金结构钢法国：15Cr2RR15C216MnCr5RR25B3RR25Mn4RR30MnB5RR34CrMo4RR34CrMo4RR35B3RR42CrMo4RR50CrV4RR55Si7RR55S750CV442CD435B334CD430MB525M425B320MB516MC515C2