Can ER2209 be used for surfacing 20# seamless steel pipes?

2019-01-25 View Original

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Is it reasonable for Party A to provide a welding procedure qualification specifying the surfacing of 20# seamless steel pipes with ER2209?

Reply #2 2019-01-25

There’s no need for that; a carbon steel welding rod for surfacing is sufficient, such as J426. If you are welding steel pipes and duplex steel, use ER2209

Reply #3 2019-02-21

First, weld a transition layer of ER309 or ER310, then weld ER2209

Reply #4 2019-03-13

If welding two different materials together, such as grade 20 and 2205, it’s fine to choose 2209.

Reply #5 2019-03-13

ER309 is a base material for welding carbon steel and stainless steel. 20# carbon steel is not necessary

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Can ER2209 be used for surfacing 20# seamless steel pipes?

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