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Pipeline welding problem

2009-04-02View Original

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Can stainless steel 304 and seamless steel pipe 20# be directly welded? The operating temperature of the pipeline is 50 degrees and the pressure is 2.3MPA. Are there any problems?
Reply #22009-04-02
It can be welded directly, but you must choose the welding material well, at least choose a welding rod that can weld 304. It is best to use flanges to connect pipelines of different materials.
Reply #32009-04-02
It is a dissimilar steel joint, and 302 welding rod can be used.
Reply #42009-04-27
It can be welded without any problems

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Translated at 2026-07-28 01:29:36

Original: https://bbs.hcbbs.com/thread-432981-1-1.html

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