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  1. afstructures

    Specifications for ERW/HRW pipes with PWHT

    Hi, I am selecting welded pipe material for an offshore structure and came across a requirement that if ERW/HRW pipes are used they have to subjected to heat treatment to relief stresses caused by this welding technique. I was wondering if the required heat treatment is there (by default) EN...
  2. afstructures

    Restrictions Related to the Use of ERW Pipe

    Hi, I came across several steel material specifications which do not allow the usage of electrical resistance welded pipes. Does anyone have an idea why? I looked up the issue in API RP 2A, ISO 19902, DNV and Norsok and the only thing i found is that the tubular strength requirements are valid...

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