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What are the standard numbers for square tubes and rectangular tubes used in steel structures?

2023-08-06View Original

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What are the standard numbers for square tubes and rectangular tubes used in steel structures? GB/T6728;GBT34201;GBT3094。 Which one is suitable?
Reply #22023-08-06
GB/T6728 is the national standard code for square and rectangular tubes used in steel structures; it includes specifications for cold-rolled and cold-drawn seamless square and rectangular tubes intended for general structural use. GBT34201 is the standard code in China for welded and seamless square and rectangular steel tubes used in steel structures. GBT3094 is the standard code in China for cold-drawn or cold-rolled seamless square and rectangular steel tubes used in precision steel structures. Select the appropriate standard for purchase based on specific usage requirements. .
Reply #32023-08-07
In terms of theoretical mass, GB/T6728

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Translated at 2026-07-23 15:51:41

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