进口弹簧钢65MnC60棒料板材弹簧钢带弹簧线弹***合金弹簧钢弹簧钢牌号对照性能成分进口弹簧钢65MnC60棒料板材弹簧钢带弹簧线弹***合金弹簧钢弹簧钢牌号对照性能成分弹簧钢弹簧钢是用以制造弹簧或其他弹性元件的钢种。分为优质碳素弹簧钢、合金弹簧钢二类。具体牌号有：65、70、85、65Mn、55Si2Mn、55Si2MnB、55SiMnVB、60Si2Mn、60Si2MnA、60Su2CrA、60Si2CrVA、55CrMnA、60CrMnA、60CrMnMoA、50CrVA、60CrMnBA、30W4Cr2VA共17个牌号。美国、日本、德国弹簧钢牌号对照表牌号相似牌号化学成份热轧交货硬度HB≯美国日本德国CSiMnCrVBPS≯65Mn10660.62-0.700.17-0.370.90-1.20≤0.250.0350.03530255Si2Mn925555Si70.52-0.601.50-2.000.60-0.90≤0.350.0350.03530260Si2Mn9260SUP660Si70.56-0.641.50-2.000.60-0.90≤0.350.0350.03532160Si2MnA9260SUP660Si70.56-0.641.60-2.000.60-0.90≤0.350.030.0332155CrMnA5155SSUP955Cr30.52-0.600.17-0.370.65-0.950.65-0.950.030.0332160CrMnA5160SUP9A0.56-0.640.17-0.370.70-1.000.70-1.000.030.0332150CrVA6150SUS10A51CrV40.46-0.540.17-0.370.50-0.800.80-1.100.10-0.200.030.0332160CrMnBA51B60SUS1158CrMnB40.56-0.640.17进口弹簧钢65MnC60棒料板材弹簧钢带弹簧线弹***合金弹簧钢弹簧钢牌号对照性能成分进口弹簧钢65MnC60棒料板材弹簧钢带弹簧线弹***合金弹簧钢弹簧钢牌号对照性能成分)