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40crnimo小圆棒

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40crnimo合金钢

40crnimo性能,40crnimo硬度,40crnimo钢板

佳洲金属直销40crnimo力学性能

进口40crnimo合金钢棒、40crnimo是什么材料?广东进口40crnimo钢材用途、40crnimo钢板用途、进口40crnimo冷拉圆钢价格、佳洲进口40crnimo铬钼钢棒材


40crnimoa合金结构钢简称合结钢


执行标准

统一数字代号a50403;


牌号40crnimoa;

40crnimoa是合结钢的其中一种,也称合金钢,它是在优质碳素  结构钢的基础上,适当地加入一种或数种合金元素  (总含量不超过5%)而制成的钢种。轴承零件经热处理后常见的质量缺陷有:淬火显微组织过热、欠热、淬火裂纹、硬度不够、热处理变形、表面脱碳、软点等。


40crnimoa力学性能:


抗拉强度σb (mpa):≥980(100)


屈服强度σs (mpa):≥835(85)


伸长率δ5 (%):≥12


断面收缩率ψ (%):≥55


冲击功 akv (j):≥78

●表示方法

①钢号开头的两位数字表示钢的碳含量,以平均碳含量的万分之几表示,如40cr、25cr2mova合金管 ②钢中主要合金元素  ,除个别微合金元素  外,一般以百分之几表示。当平均合金含量<1.5%时,钢号中一般只标出元素  符号,而不标明含量,但在特殊情况下易致混淆者,在元素  符号后亦可标以数字"1",例如钢号"12crmov"和"12cr1mov",前者铬含量为0.4-0.6%,后者为0.9-1.2%,其余成分全部相同。当合金元素  平均含量≥1.5%、≥2.5%、≥3.5%……时,在元素  符号后面应标明含量,可相应表示为2、3、4……等。例如18cr2ni4wa。



1330h,1335h,1340h,1345h,4027h,4028h,4032h,4037h,4042h,4047h,4118h,4130h,4135h,4137h,4140h,4142h,4145h,4147h,4150h,4161h,4320h,4340h,4340h 4419h 4620h 4621h 4626h 4718h 4720h 4815h 4817h 4720h 50b40h 50b44h 5046h 50b46h 50b50h 50b60h 5120h 5130h 5132h 5135h 5140h 5145h 5147h 5150h 5155h 5160h 51b60h 6118h 6150h 81b45h 8617h 8620h 8622h 8625h 8627h 8630h 86b30h 8637h 8640h 8642h 8645h 86b45h 8650h 8655h 8660h 8720h 8740h 8822h 9260h 9310h 94b15h 94b17h 94b30h 1038h 1045h 1522h 1524h 1526h 1541h 15b21h 15b35h 15b37h 15b41h 15b48h 15b62h 20cr,5120,scr420,35cr,scr435,37cr4,5135,40cr,scr440,41cr4,5140,15crmo,scm415,13crmo4-5,20crmo,scm418,18crmo4,25crmo4,20crmnmo,20mncr5,4320h,4118h,8520h,20crnimo,805m20,20ncd2,8720,20crnimo2,1.6523,70m40,en41b,b5f4k2,en-19c,35crmo,scm435,4137,34crmo4,1.7220,35crmov,31crmov9,42crmo,scm440,scm420,scm421 ,scm425,scm430,scm432,scm445,scm822,scm445,4170,42crmo4,1.7225,4140,40crmnmo,42crmoa,38crmoal,sacm645,34cralmo5,41cralmo7,1.8509,20crmnti,40crnimoa,sncm432,4340,36crnimo4,1.6511,40crh,4130,16mn,t10,30crmo,scm430,16mncr5,16mncr5h,smnc420,5120h,17crnimo6,34crnimo6,18crnimo7-6,50crva,sup10,sup9,6150,51crv4,1.8759,60si2mn,65mn,1065,1050,1070,9260,61sicr7,1.7108,60si2mna,50crv4,sk3,sk4,sk5,sk7,suj2,gcr15,52100,100cr6,9cr18mov,sus440c,gcr15simo,gcr15simn,sncm420,sncm220,s44004,x108crmo17,smn420,smn433,smn438,smn443,scr415,scr420 ,scr430 ,scr440 ,scr445 ,snc236,snc415,snc631,snc815,snc836,sncm415,sncm431,sncm439,sncm447,sncm616,sncm625,sncm630,sncm815,sacm645







40crnimoa合金钢 40crnimoa化学成分







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东莞市长安佳洲金属材料行

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