Industry News
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How to store spiral steel pipe
1. It is necessary to store the spiral steel pipe in the warehouse, not to store it in the open air, and it is necessary to ensure that the storage in the warehouse is clean. Clean and well drained. If there are weeds or other debris on the ground, it needs to be cleaned and stored. This is to ke...Read more -
Galvanized steel pipe painting production process
A continuous galvanized steel pipe painting production process and its equipment, the process includes the following steps: passivation step, cleaning step; painting step; curing step, before the painting step is provided with a drying preheating step, and drying The intervening heat temperature ...Read more -
Hot-rolled steel pipe production process
Hot rolling is rolling performed above the recrystallization temperature. It can destroy the casting structure of the steel ingot, refine the grains of the steel, and eliminate the defects of the microstructure so that the steel structure is dense and the mechanical properties are improved. This ...Read more -
Straight seam steel pipe welding technology attention points and diameter expansion technology
The welding current in the swing welding of the straight seam steel pipe is slightly larger than that of the traditional welding method; secondly, the elongation of the tungsten electrode in the swing welding of the straight seam steel pipe is determined according to the wall thickness of the pip...Read more -
The difference between steel elbow and steel bending pipe
Steel elbow: The most commonly used is seamless steel elbow, which is divided into long-radius steel elbow and short-radius steel elbow. Among them, the long-radius steel elbow is the most commonly used, and its application is also very extensive. Steel elbows are distinguished according to speci...Read more -
Straight seam steel pipe de-rusting technology and forming technology introduction
Straight seam steel pipe de-rusting technology: In the anticorrosion construction process of oil and gas pipelines, the surface treatment of straight seam steel pipe is the key factor to determine the anti-corrosion service life of the pipeline, and it is the premise of whether the anticorrosion ...Read more