During the forming process of the spiral steel pipe, the steel plate is uniformly deformed, the residual stress is small, and the surface has no scratches. The processed spiral steel pipe has more flexibility in the diameter and wall thickness size range, especially in the production of high steel g

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Regarding the processing technology of galvanized steel pipes, many people are curious about the processing technology.1. Optimization of sulfate zinc platingThe advantages of sulfate galvanizing are that the current efficiency is as high as 100% and the deposition rate is fast, which is unmatched b

The surface of stainless steel tube1. The surface is subjected to heat treatment and pickling treatment after hot rolling. Generally used for cold-rolled materials, industrial tanks, chemical industry equipment, etc., the thickness is thicker from 2.0MM-8.0MM.Dull surface: 2. D cold-rolled, heat-tre