气体管道做无损探伤检测,用哪一种方法?

2025-04-07 13:25:57
推荐回答(2个)
回答1:

气体管道做无损探伤检测,一般采用超声波探伤。超声探伤适用于板材(含复合板材)、管材、棒材、锻件、铸件等原材料和零部件内部缺陷的检测;也适用于全焊透熔化焊的对接焊接接头和T型焊接接头等内部缺陷的检测。

回答2:

焊缝无损探伤检验必须由有资质的检验单位完成。应对每位焊工至少检验一个转动焊口和一个固定焊口。钢管与设备、管件连接处的焊缝应进行100%无损探伤检验。管线折点处有现场焊接的焊缝,应进行100%无损探伤检验。焊缝返修后应进行表面质量及100%的无损探伤检验,其检验数量不计在规定检验数中。穿越铁路干线的管道在铁路路基两侧各10 m范围内,穿越城市主要干线的不通行管沟及直埋敷设的管道在道路两侧各5 m范围内,穿越江、河、湖等的水下管道在岸边各10 m范围内的全部焊缝及不具备水压试验条件的管道焊缝,应进行l00%无损探伤检验。检验量不计在规定的检验数量中。现场制作的各种承压管件,数量按100%进行,其合格标准不得低于管道无损检验标准。焊缝的无损检验量,应按规定的检验百分数均布在焊缝上,严禁采用集中检验量来替代应检焊缝的检验量。焊缝不宜使用磁粉探伤和渗透探伤,但角焊缝处的检验可采用磁粉探伤或渗透探伤。焊缝无损探伤记录应由施工单位整理,纳入竣工资料中。 向TA提问官方电话

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