... : different classes as you needStandard: GB4357-89, DIN17223 ,JISG3512-91 steel wire.Dia: 0.2mm~13mmTensile Strength: different classes as you needStandard ... : GB4357-89, DIN17223 ,JISG3512-91ISO 9991steel wire details.1) Material:SAE1006/1008,45#, 55#60#, 70#, 75 ... information .Feel easy to contact me pls. Low carbon spring steel wire for construction