30CrMnSiNi2A alloy structural steel
After heat treatment, 30CrMnSiNi2A alloy structural steel can obtain high strength, good plasticity and toughness, good fatigue resistance and fracture toughness, and low fatigue crack growth rate.
30CrMnSiNi2A mechanical properties:
Tensile strength σ B (MPA): 1) 1767; 2) 1627
Elongation δ 5 (%): 1) 12; 2) 13
Reduction of area ψ (%): 50
Impact toughness value α Ku (J / cm2): 1) 79; 2) 90
