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切削钢，其切削性能优于30号钢，热处理工艺基本相同，淬裂敏感相当或稍差，可根据零件形状、复杂程度选择淬火介质。用于制造要求强度较高的非热处理标准件，也可用于制造热处理件。

SCM440,2Cr11NiMo1WVNbN,40CrNiMoA,40Cr,20SiMn2MoV,38CrMoAl,20A,25Cr2Ni4WA,1Cr11NiMo1W1VNbN,30W4Cr2VA,T8Mn,20MnV,YF45Mnv,40CrMo4,H08C,40Cr,Y15Pb,GCr9,40CrNiMo,1Cr12W1MoV,NAK80,19CrMnNiH,19Mn5,24Cr2Ni4MoV,55SiMnMo,H08Mn2SiA,12CrNi3,2Cr12MoV,60CrMnA,20MnCr4,DF20CrMnTiH4,Cr2,T7,34CrNi3A,35MnBME,30CrMnTiSHI,CrNiW,34CrNi3A,80#,30Mn,40CrBM,20Cr3MoWVA,H0Cr20Ni10Nb,38CrA,LG40Cr,19CN5H,24CrMoV55,7Cr7Mo2V2Si,20CrMnTiH1,Y15,60CrMnBA,C45,H08Mn2SiA,CrNiH,P22,ML30,Q235,ML40,NAK80,B-HARD400,DC11,S48C-V,SUP9A,38CrSi,2CrMoV,AISID6,40MnBH,30CrMnTiShH,30Cr,20Ni4Mo,SCM322H,SAE1145,15CrMo,Q690,20CrMnH,20MnMoB,70Mn,H08CrMoA,10F,ML25,35CrMo,CrNiMo,5H12,19CrNi5,15CrA,15Mo3,12Cr2Ni4A,SAE4118H,21NiCrMo5H,20CrNiMo,H08A,30SiMn2MoVA,50#,9SMnPb28,6W6Mo5Cr4V,40CrH,20CrMnTiH4,20Cr2Ni4,42SiMn,W7Mo4C4V2Co5,15CrMoA,19CN5H,T12,60CrMnBA,12CrNi2A,H10MnSi,1Cr11Ni2W2MoV,B-HARD450,H1Cr17,H0Cr20Ni10Nb,W6Mo5Cr4V2,NAK80,DF20CrMnTiH3,115CrMo,65Mn,4Cr3MoSiV,16MnCrS5,H13模具钢,Cr12Mo1V1,50CrNi,38CrSi,08F,4Cr5MoSiV,30CrMnSiA,YF35MnV,S355J2H,718S,38MnVS6-T,CrNiH,20MnVBH,10F,48MnV-1,H10MnSiMo,Cr5Mo1V,20CrMnTiHB2,CALMAX635,30Mn2H-S,20CrMoAU,CrMnSi,60CrMnA,5Cr3Mn1SiMo1V,Y40Mn,40CrMnMo,JF20CrMnMoH,4Cr5W2VSi,43Mn2H-S,T13A,65Mn2,Y40Mn,ML15,12Cr1MoVA,X45CrMoV15,H08MnA,5CrNiMo,ASTMA336F11,30CrMnTiSHI,09CrCuSb,Cr2,40CrH,H0Cr21Ni10,SAE4320H,H10MoCrA,115CrMo,H00Cr20Ni25Mo4Cu,42CrMoA,20CrMnTiH4,SCM822H(1),H0Cr20Ni10Nb,NAK55,SNCM220H,ZGCr15,35CrMoVA,SAE1137,55CrMnA,45Cr1MoV,6Cr4W3Mo2VNb,H10Mn2MoA,51CrV4,0Cr16Ni4Cu4Nb,9SiCr,37SiMn2MoV,CrMnBH,9SiCr,H00Cr21Ni10,SCr420H,12CrNi2,7Mn15Cr2A,E690-Z35,60Mn,X155CrVMo121,GOA,20CrMnMoH,T7A,G10CrNi3Mo,12CrMoVA,DF20CrMnTiH4,8Cr3,HG785D,50CrV,S48C,8407,H08Mn2Si,39MnCrV,30Mn2,Cr2,30SiMn2MoWV,T12A,F45Mnvs,1Cr18Ni9,W7Mo4C4V2Co5,10SPb20,12CrNi4A,4Cr5MoV1Si,30Mn2H-S,SCM400H,55Si2MnVB,16MnCrS5,A105,15Mo3,21CrMoV5-7,H0Cr21Ni10,G20CrNiMo,X45CrMoV15,16MnCr5,SAE8620SH,30Cr2Ni4Mov,SCM440,H10Mn2MoA,Cr12Mo1V1

牌 号：

执行标准：GB/T 8731-1988

密 度：7.85 cm/g*3

12L13易切削钢,被切削加工性好,不存在性能上的方向性,并有较高的力学性能,常用于制造较重要的机械零件、精密仪表零件等.

试样尺寸：-

抗拉强度σb(Mpa)：(热轧)390～540; (冷拉)钢材厚度或直径 8～20时:530～755; >20～30时:510～735; >30时:490～685

伸长率δ5(%)：(热轧)≥22;(冷轧)≥7.0

断面收缩率ψ(%)：(热轧)≥36

硬度：(热轧)≤170HB;(冷拉)152～217HB

交货状态：以热轧或冷拉状态交货，交货状态应在合同中注明。

Y12Pb易切削结构钢_产品化学成份(质量分数) /%

碳 C (%)：0.08～0.16

硅 SI (%)：≤0.15

锰 MN (%)：0.70～1.10

硫 S (%)：0.15～0.25

磷 P (%)：0.05～0.10

铅 PB (%)：0.15～0.35

中国GB Y12Pb；俄罗斯ГОСТ -；美国ASTM 12L13，UNS G12134；英国BS -；法国NF AD37Pb/10Pb2/10PbF2；德国DIN 10SPb20；日本JIS SUM22L；国际ISO 11SMnPb28。