3PE anti-corrosion steel pipe base materials include seamless steel pipes, spiral steel pipes, and s...
There are three connection methods for galvanized steel pipes: 1. Rolling groove connection C...
Since straight seam steel pipes are inseparable from human life and production activities, the produ...
1: Conduct physical and chemical inspections on raw materials such as strip coils, welding wires, an...
The base materials of large-diameter 3pe anti-corrosion steel pipes include seamless steel pipes, sp...
Submerged arc automatic welding is a new welding method invented in 1940. The same thing as the prev...
1. Distortion: At the construction site, due to the limitations of the construction site, space, and...
The strip steel is bent into a spiral shape, and the inner and outer seams are welded by subme...
During the continuous casting process, the crystal strength of the slab pulled out from the mold is ...
1. Dust Production is often carried out in dusty areas, and there is often a lot of dust in the ai...
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