Chemical composition of SCM435:
C: 0.33 ~ 0.38
Silicon Si: 0. 15 ~ 0.35
Manganese Mn: 0.60-0.90
Sulfur S: allowable residual content ≤0.030.
Phosphorus P: allowable residual content ≤0.030.
Chromium Cr: 0.90 ~ 1.20
Nickel Ni: allowable residual content ≤0.25.
Copper and copper: allowable residue ≤0.30.
Mo: 0. 15 ~ 0.30
Extended data:
The characteristics of SCM435 are: high static strength, impact toughness and fatigue limit, hardenability higher than 40Cr, high high-temperature creep strength and endurance strength, and long-term working temperature up to 500℃; Cold deformation plasticity is medium and weldability is poor.
Scope of application: SCM435 is used as an important structural part working under high load, such as the transmission parts of vehicles and engines; Rotor, main shaft, heavy-duty transmission shaft, large-section parts of turbogenerator.
Mechanical properties of SCM435;
1. tensile strength σ b (MPa): ≥ 985 (100).
2. Yield strength σ s (MPa): ≥ 835 (85).
3. Elongation δ5(%): 12.
4. Area shrinkage ψ (%): ≥ 45.
5. Impact energy Akv (j): ≥ 63.
References:
Baidu encyclopedia -SCM435