F990 Spray Forming Powder Metallurgy HSS Tool Steel
Used for heavy-duty mechanical tools and trials under extreme pressure
PRODUCTS |
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| SIMILAR STEEL GRADES | ||||||
National Standard | Manufacturer Standard | |||||
| GB | AISI | DIN | JIS | Erasteel | Bohler | Hitachi |
- | - | - | - | - | - | - |
| Chemical composition % | ||||||||||
C | Si | Mn | P ≤ | S ≤ | Cr | W | Mo | V | Co | etc. |
1.58 | 0.30 | 0.30 | 0.028 | 0.015 | 4.70 | 10.3 | 2.00 | 4.90 | 8.00 | |
| Characteristics | |||
Annealed Hardness HB | Heat Treatment Temperature ℃ | Tampering Hardness HRC | |
Hardening | Tempering | ||
300 | 1180-1220 | 540-570 | 65-69 |
| Supply Form | |
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