| Standard: | DIN, JIS, AISI, ASTM, GB, BS |
|---|---|
| Technics: | Hot Rolled |
| Application: | Tool Steel Bar |
| Surface: | Black |
| Alloy: | Non-alloy |
| Special Use: | High-strength Steel Plate, Wear Resistant Steel, Free Cutting Steel, Mold Steel |
| Samples: |
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| Customization: |
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| C | Si | Mn | Ni | P | S | Cr | Mo |
| 0.43 - 0.5 | max 0.4 | 0.5 - 0.8 | max 0.4 | max 0.045 | max 0.045 | max 0.4 | max 0.1 |
| Forging | Pre heat to 750ºC - 800ºC, then continue heating to 1100ºC - 1200ºC maximum, hold until temperature is uniform throughout the section and commence forging immediately |
| Annealing | Heat to 800ºC - 850ºC hold until temperature is uniform throughout the section, and cool in furnace |
| Hardening | Heat to 820ºC - 850ºC hold until temperature is uniform throughout the section, soak for 10 - 15 minutes per 25mm of section, and quench in water or brine. or: Heat to 830ºC - 860ºC soak as above and quench in oil.Temper immediately while still hand warm |
| Normalizing | Heat to 870ºC - 920ºC hold until temperature is uniform throughout the section, soak for 10 - 15 minutes.Cool in still air |
| Tempering | Re heat to 400ºC - 650ºC as required, hold until temperature is uniform throughout the section, soak for 1 hour per 25mm of section, and cool in still air. |
10. Packing and Delivery
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