PFI ES-21-2004 标准详情
- 标准号:PFI ES-21-2004
- 中文标题:氩弧焊根部焊道环形对接焊缝的内加工和焊缝平整
- 英文标题:Internal Machining and Fit-Up of GTAW Root Pass Circumferential Butt Welds
- 标准类别:其他国内外OTHERSS
- 发布日期:2004-09-01
This Standard covers the internal machining andfit-up tolerances for seamless and welded pipingcomponents when the gas tungsten-arc weldingprocess is used for the root pass of circumferentialbutt welds.
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