National standard 95*6mm seamless pipe allowable error is how much

Permissible standard for seamless steel pipe: GB/T seamless steel pipe size, shape, weight and allowable deviation, if the purchase of the seamless pipe conveying fluid, according to GB/T8163-2008 "Transmission of fluid seamless steel pipe", Hot-rolled steel tubes have an outer diameter of ±1% D or ±0.50, whichever is greater, the nominal outside diameter of the steel tube is ≤102mm, the wall thickness is ±12.5%S or ±0.40, whichever is greater; the outside diameter of the cold-drawn steel tube is ± 1%D or ±0.30, whichever is greater, the nominal wall thickness of the steel pipe is greater than 3mm, and the wall thickness is +12.5%S and 10%S.

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