法国NF-EN标准调质结构钢:C22EXC18C22RXC18UC25EXC25X25RXC25UC30EXC32C30RXC32UC35EXC38H1C35RXC38H1U***0EX***2H1***0RX***2H1U***5E***8H1***5RX***8HIUC50EC50RC55EXC55HC55RC55EXC55H1C55RXC55H1UC60EC60R25CrMo425CD425CrMoS425CD4U28Mn630CrNiMo830CND834Cr432***34Cr432***34cRmO434CD434CrMoS434CD3U50CrMo451CrV450CV4c22c25c30c35***0***5C50C55C60……..硼处理钢:20MnB520MB527MnCrB5-230MnB533MnB533MnCrB5-238MnB538MB539MnCrB6-2易切削钢结构钢:非热处理型:11***n3011***nPb3011***n3711***nPb37……..表面硬化型:10S2010SPb2015***n13直接淬火型:35S2035SPb2036***n1436***nPb1438***n2838***nPb2844***n2844***nPb2846S2046SPb20螺栓用钢和锚链用钢:32***38***42***38B338CB338CB120MB538MB525CD430CD434CD438CD442CD430CND820NC1135NCD16XC38H238C242C232***38***42***21B328B338CB120MB538MB525CD430CD434CD438CD442CD430NC1130NCD16高温螺栓用钢:15CD.0525CD420CDV5.07Z15CD5.05Z20CDNBV11Z6NCTDV25.15….锚链用钢:XC18XC2521B320M520MB520NC620NCD222NCD223D523MNCD525MNCD525MNDC625MNCDV525MNCDV620MS5…销售***0769-85308212手机15899932581***2511189929刘鹏翔)