JIS G 3521 High Tensile Spring Steel Wire  Diameter 0.65MM - 4.0MM Hard Drawn
 
Specifications:
Diameter: 0.65mm – 4.00mm
Tensile Strength: 1370 – 2400 Mpa.
Surface Finish: Bright dry drawn and phosphatized
                        Bright dry drawn and grey
                        Phosphate washed
Steel Grade: rod grade 1045 – rod grade 1085 HIGH CARBON steel 
Package: Formers             1.20 - 4.00mm
                Strapped coils    1.20 - 4.00mm
                Sppols                0.65 - 4.00mm
                Z2                       0.65 - 2.50mm
                Z3                       2.50 - 4.00mm
Standard: JISG 3521
Description:
This wire is cold drawn round carbon steel wire, normally used for helical spring (  tension, compression and torsion springs ), spring washers and other wire spring.
Applications:
General purpose torsion, extension and compression spring
Spring washers
Wire spring
Competitive Advantage:
Consistent high quality steel wires for efficient manufacture of springs
Minimum tensile variation
High dimensional accuracy
Trouble-free pay off and forming