法国NF-EN标准调质结构钢:C22E XC18 C22R XC18U C25E XC25 X25R XC25U C30E XC32 C30R XC32U C35E XC38H1 C35R XC38H1U ***0E X***2H1 ***0R X***2H1U ***5E ***8H1 ***5R X***8HIU C50E C50R C55E XC55H C55R C55E XC55H1 C55R XC55H1U C60E C60R 25CrMo4 25CD4 25CrMoS4 25CD4U 28Mn6 30CrNiMo8 30CND8 34Cr4 32*** 34Cr4 32*** 34cRmO4 34CD4 34CrMoS4 34CD3U 50CrMo4 51CrV4 50CV4 c22 c25 c30 c35 ***0 ***5 C50 C55 C60 ……..硼处理钢: 20MnB5 20MB5 27MnCrB5-2 30MnB5 33MnB5 33MnCrB5-2 38MnB5 38MB5 39MnCrB6-2易切削钢结构钢: 非热处理型:11***n30 11***nPb30 11***n37 11***nPb37……..表面硬化型:10S20 10SPb20 15***n13 直接淬火型: 35S20 35SPb20 36***n14 36***nPb14 38***n28 38***nPb28 44***n28 44***nPb28 46S20 46SPb20螺栓用钢和锚链用钢: 32*** 38*** 42*** 38B3 38CB3 38CB1 20MB5 38MB5 25CD4 30CD4 34CD4 38CD4 42CD4 30CND8 20NC11 35NCD16 XC38H2 38C2 42C2 32*** 38*** 42*** 21B3 28B3 38CB1 20MB5 38MB5 25CD4 30CD4 34CD4 38CD4 42CD4 30NC11 30NCD16高温螺栓用钢:15CD.05 25CD4 20CDV5.07 Z15CD5.05 Z20CDNBV11 Z6NCTDV25.15….锚链用钢:XC18 XC25 21B3 20M5 20MB5 20NC6 20NCD2 22NCD2 23D5 23MNCD5 25MNCD5 25MNDC6 25MNCDV5 25MNCDV6 20MS5 …
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