| 牌号 | 622 |
|---|---|
| 對應标準 | BS 3604-2-1991
壓力用鋼管:具有規定高溫性能的鐵素體合金鋼 第2部分:直縫電弧焊管規範 Steel Pipes and Tubes for Pressure Purposes: Ferritic Alloy Steel with Specified Elevated Temperature Properties — Part 2: Specification for Longitudinally Arc Welded Tubes |
| 歸類 | 合金鋼 |
| 說明 | 2.25Cr-1Mo |
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