... to customers request 2)packing:plastic spool, coils, ect High carbon spring steel wire galvanized and ungalvanized steel wirecarbon : middle carbon ... , high carbonstandard: DIN ,ASTM,BS,ENTensile strength : according to customers requestPack ... : 72 A ,82A, 45# ,60# , SAE 1006 ,SAE 1008 high carbon spring steel wire