Standard:GB/T18983,ASTM A401,etc. Grade:55CrSi,60Si2Mn,65Mn Dia:6.0~16.0mm T/S and ... !!!! Oil quenching & tempering spring steel wire 1.Material:50CrSiA,55CrSiA,60Si2MnA,67CrVA,65Mn,70#,67A,67B,72A,72B 2.The range ... oProductShow = new AE.run.minisite.productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); 55CrSi,60Si2Mn,65Mn Oil Tempered Spring Steel Wire