Material Name: 60CrMnMoA spring steel Standard: GB / T 1222-1984 ● Features and Scope: After the heat treatment and 60CrMnA have the same mechanical properties of steel and tempered high stability, good hardenability. Mainly used in the manufacture of vehicles, heavy load on the tractor industry, stress is large leaf springs and larger diameter (up to 100mm) of the coil spring. ● Chemical Composition: Carbon C: 0.56 ~ 0.64 Si Si: 0.17 ~ 0.37 Mn Mn: 0.70 ~ 1.00 Sulfur S: ≤0.030 Phosphorus P: ≤0.030 Chromium Cr: 0.70 ~ 0.90 Ni Ni: ≤0.35 Copper Cu: ≤0.25 Mo Mo: 0.25 ~ 0.35 ● Mechanical Properties: Hardness: hot + heat, ≤321HB; Cold Drawn + heat, ≤321HB ● Heat treatment and microstructure specifications: ● Delivery status: hot-rolled steel to heat treatment or heat treatment delivery, cold drawn steel to heat treatment delivery. |