牌号 | A768 Grade 4 Class 1 |
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對應标準 | ASTM A768/A768M-2005(R2015)
渦輪機轉子和軸用真空處理12%鉻合金鋼鍛件的标準規範 Standard Specification for Vacuum-Treated 12 % Chromium Alloy Steel Forgings for Turbine Rotors and Shafts |
歸類 | 合金鋼 |
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