Get Quick Quote From Supplier
1.Tensile strength- Miimum 150 Kg/mm(The test shall be carried out in accordance with IS-1521-1972,First version).2.Torsional Strenght- Minimum 300Kg (The test shall be carried out in accordance with IS-1717-1985.second revison).3.Rockwell Hardness-C432. spring steel wire spring steel IS:4454 part-III (Grade 1S)