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Are there standards for square (rectangular) pipes?

2009-02-16View Original

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May I ask, are there any standards for rectangular pipes? What about standards for the national industry, chemicals, or petrochemicals?
Reply #22009-02-16
Are they square-shaped pipes such as flue ducts and air ducts? Refer to http://bbs.hcbbs.com/thread-91300-1-1.html and http://bbs.hcbbs.com/thread-91304-1-1.html; checking industry standards and specifications might yield some useful information.
Reply #32009-02-16
Thank you. But I’m asking about the standards in the chemical industry. Hehe
Reply #42009-02-16
There probably isn’t a standard, but there is a design ratio for length to width.
Reply #52021-07-16
GB/T34021, GB/T6728, GB/T3094, GB/T6723 – are those all?

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