Discussion on the welding of 310s (0Cr25Ni20) stainless steel
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Stainless steel material 310s (0Cr25Ni20). What are the welding process requirements? The tube is as shown in the diagram; it is quite thin. What type of welding rod should be used, and what are the precautions for welding?
With such severe rust, is it really stainless steel?
It doesn’t have much use value anymore, does it?
Tubes that have already been used are not recommended for re-welding, as the quality of the weld cannot be guaranteed.
It’s 310s stainless steel, as confirmed by a material testing machine
It has reached the level where it needs to be scrapped; replace it with a new one. There are some experience summaries available for reference online