A437 Grade B4C
2023-05-17 17:46:11
來源:鋼鐵之家
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牌號 | A437 Grade B4C |
對應標準 | ASTM A437/A437M-2015
高溫加工用熱處理專用不銹鋼和合金鋼渦輪型螺栓 Stainless and alloy-steel turbine-type bolting specially heat treated for high-temperature service |
歸類 | 合金鋼 |