When welding branch pipes at the branch pipe fitting, can pipes of Series II diameter be used? How should they be welded?

2025-12-04View Original

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This post was last edited by shijia on 2025-12-4 at 10:17. For welding branch pipe bases, the nominal diameters are available only in the imperial series. Can pipes from the HG20553Ⅱ series be used for these branches? How should they be welded?

Reply #22025-12-04

The new standard is to gradually phase out metric pipes

Reply #32025-12-25

What is the reason for phasing out the metric system?

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When welding branch pipes at the branch pipe fitting, can pipes of Series II diameter be used? How should they be welded?

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