How should the technical requirements for double-phase stainless steel pipes be stated?

2009-02-06View Original

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It’s my first time dealing with this type of material, duplex stainless steel, S2205 or S2507. I’m not sure how to specify the technical requirements Are manufacturing inspections and acceptance also carried out in accordance with GB50235-97? Also, how do you choose the welding rod and determine the inspection ratio? I’m very confused; I hope my classmates and teachers can help me solve this.

Reply #22009-02-06

GB/T 21832-2008 Austenite-ferrite duplex stainless steel welded pipes http://www.bzfxw.com/soft/softdown.asp?softid=30477

Reply #32009-02-06

Thank you to the person above; this standard does exist, and it should be a standard for steel pipes, rather than specifications for manufacturing, installation, welding, etc.

Reply #42009-02-06

There is a section related to Tarim on the China Engineering Supervision Talent website; after registering, you can download it to see if it meets your needs: http://news.job2299.com/down_content.php?id=9720

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How should the technical requirements for double-phase stainless steel pipes be stated?

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