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I have a question for the experts in piping technology: can steam carbon steel pipes be welded to stainless steel flanges?

2016-01-16View Original

Thread Content

As the title suggests, when purchasing flanges, I ended up getting ones made of stainless steel 304. I would like to ask whether, when welding stainless steel flanges together, the welding strength of such different materials will be sufficient; will the joints fail? Also, is corrosion between different materials more severe in this case?
Reply #22016-01-16
It should be fine; to address the issue of reprocessing, I’ve used 304 material for all the elbows in my condensate pipelines
Reply #32016-01-16
The welding of shaped steel should be carried out in accordance with the requirements for welding shaped steel.
Reply #42016-01-16
Carbon steel and stainless steel can be welded. . . The pipes are made of carbon steel; using 304 for the flanges seems a bit wasteful. . .
Reply #52016-01-16
Why not buy another batch of carbon steel flanges? . . Anyway, the lead time for flanges isn’t very long either. . Then these 304 flanges are used elsewhere. . .
Reply #62016-01-16
Welding of shaped steel requires welding methods suitable for shaped steel, as well as corresponding electrodes.
Reply #72016-01-17
It can be welded; just choose the right welding rod
Reply #82016-01-17
Different types of steel can be welded, but special welding electrodes are required; for details, refer to \"SH/T3526-2004 Standards for Welding of Different Types of Steel in the Petrochemical Industry\"
Reply #92016-01-17
:Lol, this issue should be left for the construction party to consider. . . How to weld. . . Bring out the welding procedure qualification. .

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