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English Translations » 历史存档[信息] » When surfacing ER2209 on 16MnR, do I need an over-layer elec

When surfacing ER2209 on 16MnR, do I need an over-layer electrode? Should I use A302 or A402?

2016-11-12View Original

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Heat exchanger tube sheet, 16MnR overlay welding ER2209, do I need an over-layer welding rod? If necessary, is it better to use A302 or A402?
Reply #22016-11-13
It is recommended to add a transition layer, welding rod A402
Reply #32016-11-13
This post was finally edited by qwl on 2016-11-13 11:46 to recommend transition layer, welding rod A302 heat exchanger tube plate surfacing process http://wenku.baidu.com/link?url= ...naTpaYFQsSLFbdMziSq
Reply #42016-11-13
The transition layer is needed, otherwise it will be easy to corrode near the weld.

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Translated at 2026-07-20 23:03:26

Original: https://bbs.hcbbs.com/thread-1639263-1-1.html

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