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sumon emam
02-04-2011, 07:14 AM
we are going to welding a manhole nozzle with welding neck flange. the nozzle material is A240 type 321. which flange material is suitable for this- A182 F1 or F321?

zanjani
02-04-2011, 11:08 AM
It is recommended that both welding components have similar chemical composition because different composition may lead to galvanic corrosion,
A182 F 321 is a good choice.