| 牌号 | A859 Grade B |
|---|---|
| 對應标準 | ASTM A859/A859M-2023
壓力容器部件用時效硬化合金鋼鍛件的标準規範 Standard Specification for Age-Hardening Alloy Steel Forgings for Pressure Vessel Components |
| 歸類 | 合金鋼 |
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