1065 spring steel strip thickness: 0.05~45mm width:30~200mm surface:2B BA 6K 8K HL Specificationsmaterial:65 70 85 65Mn 55SiMnV 60Si2MnA 60Si2CrAsize:0.05~45mm thicknesssurface:2B BA 6K 8K HLapplication range: High-strength parts, spring building structure, bus, car wheels, cover platerstensil strength:1100 to 2000 N/mm2Tempered spring steel stripMaterial grade: c50,c55,c60,c67,c70,c75 Thickness: ...