Steel pipe (including seamless steel pipe and welded steel pipe) (kg/m) W= 0.02466 ×S (D – S)
D = outer diameter S = wall thickness
For example: a seamless steel pipe with an outer diameter of 60 mm and a wall thickness of 4 mm, find the weight per m. Weight per m = 0.02466 ×4 ×(60 –4)=5.52kg

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