Customization: | Available |
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Type: | Round |
Standard: | AISI, ASTM, DIN, JIS, GB, BS |
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Chemical Composition(%)
C | Si | Mn | Cr | Mo | V | P | S |
1.40-1.60 | 0.30-0.50 | 0.30-0.50 | 11.0-13.0 | 0.70-1.20 | ≤0.8 | ≤0.030 | ≤0.030 |
Quenching | Tempering | ||||||
Heating temperature/ºC | Tempering temperature /ºC |
Tempering number | Hardness (HRC) |
||||
First preheating | Second preheating | Last heating | Cooling way | Hardness (HRC) | |||
600-650 | 800-850 | 1020-1040 | Air Cooling | 61-63 | 500-560 | 2 | ≥58 |