VIP:1 Level
for the production of small springs

Specification，Coiled：Φ5.5～16mm　Rolled：Φ16～160mm Forging：Φ160～450mm

Yield Strength，σs (MPa)：520~690

Elongation，δ10 (%)：14~22.5

Hardness，Hot-rolled，≤302HB；Cold Drawn + heat treatment，≤321HB