Spring Wire/ Mattress Spring Wire Diameter:0.20--12.0mm DIN17223,EN10270-1,JIS G 3521,ASTM A227 Best quality ! steel wire/ spring wire/ high carbon steel wire/mattress spring wireUse for making compression spring, extension spring, torsion spring,  bed mattress spring , flat control cable, etc.Diameter:0.20mm--12.0mmWire Rod Material:45#,60#, 65#,65Mn, 70#, 72A, 72B, 80#, 82B,T9A Standard:DIN17223, EN10270-1, JIS G 3521 , ASTM A227 , GB4357-89Tensile strength :  B,C grade / SM,DM;SH,DH/ SWB,SWCSurface :   smooth, phosphated and lead patent heat treatmentHot dip galvanized wire and electrical cold galvanized wire  ,also supply.Package :   Coil  or SpiderDelivery 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.Pls contact Mr.William , if you are intrested.

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