| 牌号 | A638 Grade 662 |
|---|---|
| 美國UNS | S66220 |
| 對應标準 | ASTM A638/A638M-2023
高溫用沉澱硬化鐵基高溫合金棒材、鍛件和鍛坯的标準規範 Standard Specification for Precipitation Hardening Iron Base Superalloy Bars, Forgings, and Forging Stock for High-Temperature Service |
| 歸類 | 合金鋼 |
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