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 C40E XC42H1 C40R XC42H1U C45E C48H1 C45R XC48HIU C50E C50R C55E XC55H C55R C55E XC55H1 C55R XC55H1U C60E C60R 25CrMo4 25CD4 25CrMoS4 25CD4U 28Mn6 30CrNiMo8 30CND8 34Cr4 32C4 34Cr4 32C4 34cRmO4 34CD4 34CrMoS4 34CD3U 50CrMo4 51CrV4 50CV4 c22 c25 c30 c35 c40 c45 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:11SMn30 11SMnPb30 11SMn37 11SMnPb37……..表面硬化型:10S20 10SPb20 15SMn13 直接淬火型: 35S20 35SPb20 36SMn14 36SMnPb14 38SMn28 38SMnPb28 44SMn28 44SMnPb28 46S20 46SPb20螺栓用钢和锚链用钢: 32C4 38C4 42C4 38B3 38CB3 38CB1 20MB5 38MB5 25CD4 30CD4 34CD4 38CD4 42CD4 30CND8 20NC11 35NCD16 XC38H2 38C2 42C2 32C4 38C4 42C4 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 …
