What are the standards for the flatness requirement of steel pipes after bending?
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Hello, experts. What is the standard requirement for the flatness of steel pipes after bending? We generally keep it at no more than 10% of the diameter of the steel pipe; I’m not sure what the basis for this is If anyone knows, please let me know. Thank you.
The requirements for the flatness of steel pipes after bending are based on GB/T 6728 or the corresponding standards for steel pipe products. The industry standard is generally to keep it at no more than 10% of the diameter of the steel pipe; the specific value, however, should be determined based on the relevant standards for the steel pipe or the requirements specified in the contract. .