Small and medium-sized steel, wire rods, steel bars, medium-diameter steel pipes, steel wires and wire ropes, etc., can be stored in a well-ventilated material shed, but must be topped and bottomed.

Most of the water pipelines in urban sewage treatment projects are buried steel pipelines. The corrosion problem is a major problem in sewage treatment projects.

Defects that are easy to produce in the submerged arc welding zone are pores, hot cracks, and undercuts.

Hot rolling is relative to cold rolling. Cold rolling is rolling below the recrystallization temperature, while hot rolling is rolling above the recrystallization temperature.

Forged pipe fittings are a product with good mechanical properties in flange products. Its raw material is generally a pipe blank, which is then cut and then continuously beaten to eliminate defects such as segregation and looseness in the steel ingot.

In the welding operation of stainless welded steel pipe manufacturers, the market faces three common problems: unqualified seams, incomplete penetration or burned through, cracks and pores.