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鋼結構加工中箱型柱焊后檢驗

更新時間:20/08/07 18:06:08  點擊次數:  
鋼結構加工中箱型柱焊后檢驗。
1 外觀、尺寸檢查。

2 超聲波探傷

2.1 設計要求全熔透的焊縫,應進行超聲波探傷,按GB11345標準執行。

2.2 焊縫的級別,根據設計規定。

2.3 一級焊縫應100%探傷,合格標準:B級標準,Ⅱ級合格;二級焊縫的探傷比例為20%,合格標準:B級標準,Ⅲ級合格。
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