We can supply you the spring steel (GB standard) : 65#, 70#, 85#, 65Mn, 55SiMnVB, 60Si2Mn, 60Si2MnA, 60Si2CrA, 60Si2CrVA Spring steel Dimensions: 10- ... 0.25We can supply you the spring steel (GB standard) : 65#, 70#, 85#, 65Mn, 55SiMnVB, 60Si2Mn, 60Si2MnA, 60Si2CrA, 60Si2CrVA, 55SiCrA, 55CrMnA, 60CrMnA, 50CrVA ... .24)>300(-2.0/+3.0)>5.00(-/+0.27) 65#, 70#, 85#, 65Mn, 55SiMnVB, 60Si2Mn spring steel bar