GB/T 3091 VS SY/T 5037

2018-03-30View Original

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I am currently working on the piping classification for municipal projects. For large pipelines used for pressure water supply and drainage, if I choose spiral-welded submerged-arc welded steel pipes, should I use GB/T 3091? Is SY/T 5037 still the better choice? Both standards specify spiral-welded submerged-arc welded steel pipes; I would appreciate some guidance from those who know more about this, thank you!

Reply #22018-03-30

SY/T 5037 is better, and the GB9711 standard can also be used

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GB/T 3091 VS SY/T 5037

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