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bright annealing tube 01

How to prevent quality defects in rolled tubes

The tube rolling process is the main process to determine the wall thickness of the seamless steel pipe, and its function is to reduce the wall of the perforated capillary. The main defects are: uneven wall thickness of the waste pipe, surface cracks, pits, abrasions, rolling, puncturing (pulling) and so on.
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seamless beveld2

Sizing and reducing diameter of steel pipes

The geometric size of the steel pipe is out of tolerance, which mainly refers to the diameter, wall thickness or ovality of the steel pipe after the specified (reduced) diameter does not meet the size and deviation requirements specified in the relevant standards.
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