Outside diameter of a steel pipe

　　Outside diameter defines the distance from a point in the center of the pipe to the outside wall.The outside diameter of a steel pipe provides information as to how space the pipe occupies.The difference in the schedule numbers of each nominal steel pipe size is in the interior of the pipe,not the exterior size.

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　　Hebei shengtian pipe-fitting group Co., ltd is specialized in manufacturing and exporting forged flanges and buttwelded pipe fittings. In additation to the standard products mentioned above, we are also able to make non-standard, special-designed items according to customers’ requirement. Should any of the items be of your interests, please do not hesitate to contact us for latest information.