... A401,etc. Grade:55CrSi,60Si2Mn,65Mn Dia:6.0~16.0mm T/S and packing according to customer request. Free Sample ... to support the new cooperation !!!! Oil quenching & tempering spring steel wire 1.Material:50CrSiA,55CrSiA,60Si2MnA,67CrVA,65Mn,70 ... ,72A,72B 2.The range of dia : 0.2-16.0mm 3.Application : for motor or valve 4.Tensile strength : according ...