1. Size: 0.5-16mm

2. Material: 77B, 77A, 82B, 60Si2Mn, 55SiCr, 50CrVa

3. Standards GB4357, DIN17223-2-1990, ASTM-A229, EN10244-2, JIS G3521-91

4. Produt type: Low carbon steel wire, medium carbon steel wire,high carbon steel wire, bicycle spoke steel wire, motorcycle spokesteel wire, umbrella frame steel wire, spring steel wire, mattressspring steel wire, free cutting steel wire, nipple steel wire,etc.

5. Tensile strength: As customers' required

6. Main range of applications: Suspension spring for vechiles,Valve spring, Mechanical spring for important usage.

7. Coil weight: : As customers' required