国际标准化***合金调质结构钢28MN6H36MN6H42MN6H34CR4H34CRS4H37CR4H37CRS4H41CR4H41CRS4H25CRMO4H25CRMOS4H34CRMO4H34CRMOS4H42CRMO4H42CRMOS4H50CRMO4H36CRNIMO4H36CRNIMO6H31CRNIMO8H51CRV4H国际标准化***易切削结构钢9S2011***N2811***NPB2812***N3512***NPB3510S2010SPB2017***N2035S2035***N2044***N2846S20国际标准化***冷镦和冷挤钢C***XC***ACC8XCC8ACC11XCC11ACC15XCC15KCC15ACC21KCC21ACE10CE15E4CE16E4CE20E420CR4E16MNCR5E18CRMOE20NICRMO2ECE20E4CE28E4CE35E4CE40E4CE45E442MN6E37CR2E46CR2E34CR4E37CR4E41CR4E36MO3E25CRMO4E34CRMO4E42CRNIMO4E41CRNIMO2E41NICRMO7E31CRNIMO8ECE20BG1CE20BG2CE28BCE35B35MNB5E37CRB1E国际标准化***弹簧钢59SI756SICR761SIR755SICR6355CR360CRMO3160CRB360CRMO3351CRV452CRMOV459SI7H56SICR7H61SICR7H55SICR63H55CR3H60CRMO31H60CRB3H60CRMO33H51CRV4H52CRMOV4H59SI7HH56SICR7HH61SICR7HH55SICR63HH55CR3HH60CRMO31HH60CRB3HH60CRMO33H51CRV4HH52CRMOV4HH国际标准化***机械用弹簧钢丝DHDMSHSL***DCDAADABDACSC)