Seeking advice on welding of duplex steel S2205

2017-03-23View Original

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I have no prior experience with welding double-phase steel. If the material of the tube sheet in a heat exchanger is S2205, how should the welding requirements be specified in the drawings?

Reply #22017-03-23

Use E2209-15 or E2209-16 as the welding material

Reply #32017-03-23

Thank you. I’d like to ask again: which standards are used to select the welding materials? I couldn’t find that information in the welding regulations for pressure vessels. Also, what is the welding method for this duplex steel? Is it still shielded metal arc welding?

Reply #42017-03-23

It is available for both shielded metal arc welding and tungsten inert gas welding; check GB/T983 to see if it is listed there

Reply #52017-03-23

If using welding wire, it is ER2209

Reply #62017-03-24

Regarding the design drawings, to be honest, not specifying any welding requirements is the best requirement

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Seeking advice on welding of duplex steel S2205

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