Spring Wire/ high carbon Wire Diameter:0.20--12.0mm DIN17223,EN10270-1,JIS G 3521,ASTM A227 Best quality and price steel wire/ spring wire/ high carbon steel wire/mattress spring wirewidely use for making compression spring, extension spring, torsion spring,  bed mattress spring , flat control cable, etc.Diameter:0.50mm--8.0mmWire Rod Material:65Mn, 70#, 72A, 72B, 82BStandard:DIN17223, EN10270-1, JIS G 3521 , ASTM A227 , GB4357-89Tensile strength :  B,C grade Surface :   smooth, phosphated and lead patent heat treatmentPackage :   Coil  Delivery time: 15-20 days after  PI signature.Min.order quantity:  1 ton.Quality inspection of each coil : tensile strength, tolerance, surface smooth, torsion,bending,winding, ellipse , etc.Certificate:   ISO9001 ,  ISO14001,  SGS  , NANTONG FAMOUS  BRAND , EXCELLENT-QUALITY METALLURGICAL PRODUCTS.

steel wire , spring wire, high carbon spring wire,mattress spring wire