| AISI H12 | |
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| Category | Steel |
| Class | Tool steel |
| Type | Chromium hot work steel |
| Designations |
Germany: DIN 1.2606 Italy: UNI KU Japan: JIS SKD62 United Kingdom: B.S. BH 12 United States: ASTM A681 , FED QQ-T-570 , SAE J437 , SAE J438 , SAE J467 , UNS T20812 |
| Composition | |
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| Element | Weight % |
| C | 0.30-0.40 |
| Mn | 0.20-0.50 |
| Si | 0.80-1.20 |
| Cr | 4.75-5.50 |
| Ni | 0.3 |
| Mo | 1.25-1.75 |
| W | 1.00-1.70 |
| V | 0.5 |
| Cu | 0.25 |
| P | 0.03 |
| S | 0.03 |
| Mechanical Properties | |
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