The cold deformation plasticity and machinability are both ℃. Stress, generally used after normalizing and high temperature recovery, and can also be used to make various elastic components that work at high temperatures. Chemical composition of FAS3550 Spring Steel (fraction, %): Silicon Si: 0.17 ~ 0.37;
Chromium Cr: 0.40～0.70;
Molybdenum Mo: 0.40～0.55;
Nickel Ni: allowable residual content ≤ 0.30;
Copper Cu: allowable residual content ≤ 0.30;
Sulfur S: allowable residual content ≤ 0.035;
Phosphorus P: allowable residual content ≤ 0.035.
The cold deformation plasticity and machinability are both ℃. Stress, generally used after normalizing and high temperature recovery, and can also be used to make various elastic components that work at high temperatures. Chemical composition of FAS3550 steel (fraction, %): Silicon Si: 0.17 ~ 0.37;
Chromium Cr: 0.40～0.70;
Molybdenum Mo: 0.40～0.55;
Nickel Ni: allowable residual content ≤ 0.30;
Copper Cu: allowable residual content ≤ 0.30;
Sulfur S: allowable residual content ≤ 0.035;
Phosphorus P: allowable residual content ≤ 0.035.
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