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hardox 500 plate weight calculator Color Embossed Stainless Steel Sheet PVD Coated seamless steel coil tubes 304 grade with good quality from stainless steel mirror slot tube Q420D steel equivalent prime hot rolled a572 grade 50 steel sheet American standard A572 Grade 65 angle steel mill bar 070 m40 mild steel and carbon steel Ship steel Steel Plate Factory material s355j2wp42CrMo4
GB/T 3077 42CrMo4 alloy steel
Hardness: <=217HBW
Thermal processing Temperature1050-850
Heat Treatment: Annealed: 680-720°C
Normalized: 840-880°C
Quenched: 820-850°Cfor water, 830-860°C for oil
Tempered: 540-680°C
42CrMo4 alloy steel Chemical composition %:
C |
Si |
Mn |
P |
S |
Cr |
Mo |
0.38- 0.45 |
max 0.4 |
0.6 - 0.9 |
max 0.025 |
max 0.035 |
0.9 - 1.2 |
0.15 - 0.3 |
GB/T 3077 42CrMo4 Mechanical properties:
Yield |
Tensile |
Impact |
Elongation |
252 (≥) |
877 (≥) |
24 |
14 |
GB/T 3077 42CrMo4 Applications:
To manufacture high strength and conditioning section part that request more than 35CrMo, such as locomotive traction gear, supercharger gear. Connecting rod and spring clip, can also be used for oil drill pipe joints below 2000m deep.
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