Product News
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These advantages of the export welding process of spiral steel pipes have directly established its market position
These advantages of the export welding process of spiral steel pipes have directly established its market position 1.High production efficiency On the one hand, the conductive length of the welding wire is shortened, and the current and current density are increased, so the penetration depth of t...Read more -
Do you really know the specific use of seamless steel tubes?
Seamless steel tubes are very versatile. General purpose seamless steel tubes are rolled from ordinary carbon structural steel, low alloy structural steel or alloy structural steel, with the largest output, and are mainly used as pipelines or structural parts for transporting fluids. According to...Read more -
Annealing type of spiral steel pipe
Annealing type of spiral steel pipe 1. Spheroidizing annealing Spheroidizing annealing is mainly used for hypereutectoid carbon steel and alloy tool steel (such as steel used for manufacturing cutting tools, measuring tools, and molds). Its main purpose is to reduce hardness, improve machinabili...Read more -
Matters needing attention in storage and construction of galvanized pipe
Matters needing attention in storage and procurement of galvanized pipes Galvanized pipes are very common in people. It is very common for users to use heating pipes for heating. Galvanized pipes are coated with zinc inside to play a role of corrosion resistance. Due to improper use or being wet ...Read more -
How is the welding seam of anti-corrosion spiral welded pipe treated?
The anti-corrosion spiral welded pipe has single-sided welding and double-sided welding. The welded pipe should ensure the hydrostatic test, the tensile strength of the weld and the cold bending performance must meet the requirements. Butt welding seam: It is a circular weld formed by connecting ...Read more -
Basic requirements for anti-corrosive construction of welded steel pipes
1. The processed components and finished products shall not be disposed of externally until they are accepted by experience. 2. The burrs on the outer surface of the welded steel pipe, welding skin, welding knobs, spatters, dust and scale, etc. should be cleaned before removing rust, and loose ox...Read more