Type: | Special Steel Bar |
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Standard: | AISI, ASTM, DIN, JIS, GB, BS |
Composition: | Alloy Steel |
Technique: | Hot Rolled |
Shape: | Bar |
Surface Treatment: | Polished |
Customization: |
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C | Si | Mn | Cr | P | S |
0.37-0.44 | 0.17-0.37 | 0.50-0.80 | 0.80-1.10 | ≤0.035 | ≤0.035 |
GB(China) | DIN(German) | AISI(USA) | JIS(Japan) |
42Cr | 1.7035 | SAE5140 | SCr440 |
Quenching | Tempering | |||||
Heating temperature/ºC | Cooling way | Hardness (HRC) | Tempering temperature /ºC |
Cooling way | Hardness (HRC) |
|
830-860 | Oil Cooling | ≥50 | 150-200 | Air cooling | ≥48 |
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