There are various reasons for the longitudinal crack of the welded pipe, but the fundamental reason is that the welded pipe after cold drawing has a high residual stress field.
Read moreIn the actual production process, the black steel seamless pipe will be polished and its coating process will be carried out to improve the corrosion resistance of the steel pipe.
Read moreThe q345b welded pipe needs to be subjected to water pressure, bending, flattening and other experiments, and has certain requirements on the surface quality. Usually, the delivery length is 4-10m, and it is often required to deliver to a fixed length (or multiple feet).
Read moreGalvanized cold drawn seamless tubing has strong corrosion resistance, strength and rigidity, and is widely used in gas, heating and water transportation pipelines.
Read moreThe difference between welded pipe and galvanized pipe is mainly in three aspects: definition, classification and use.
Read moreThe cs seamless pipe will use the pickling step during processing. After the pickling, it usually needs to be washed with water,so what are the problems that need to be paid attention to when the cs seamless pipe is washed with water?
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