News
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Reasons for rust and pollution of stainless steel pipes
1. When road construction, construction projects, or various vehicles are walking, they are attached to the scattered earth, sand, dust, iron powder, etc. 2. When it is polluted by harmful substances such as sulfurous acid gas contained in the exhaust gas of cars, buses, etc. 3. It is polluted by...Read more -
what is galvanized steel pipe?
what is galvanized steel pipe? Galvanized steel pipe is a type of steel pipe that has been coated with a protective layer of zinc to prevent corrosion. The process of galvanization involves immersing the steel pipe in a bath of molten zinc or using an electroplating method to apply a thin layer o...Read more -
Knowledge of rolling surface processing of stainless steel pipe
Knowledge of rolling surface processing of stainless steel pipe: 1. After hot rolling, annealing, pickling, and descaling, the surface of the treated stainless steel plate is a dull surface and a bit rough; 2. It is a better process than the general surface, and it is also a dull surface. After c...Read more -
Comparison between plastic-coated pipes and 3PE anti-corrosion pipes
Plastic coated pipe Plastic-coated steel pipes, also known as plastic-coated steel pipes, steel-plastic composite pipes, and plastic-coated composite steel pipes, are based on steel pipes and use PE (modified polyethylene) for hot dip molding or EP (epoxy resin) as the main anti-corrosion raw mat...Read more -
Drill pipe connection method
What is drill pipe? A drill pipe is a steel pipe with a thread at the end that is used to link the drilling rig’s surface equipment to the bottom hole device or drilling and grinding equipment at the bottom of the drilling well. Drill pipe functions include carrying drilling mud to the dril...Read more -
Precautions for welding stainless steel pipe fitting
1. To prevent corrosion due to heating, the welding should not be too long, which is about 20% less than that of carbon steel electrodes. The arc should not be too long, and the layers will cool quickly. A narrow weld bead is preferred. 2. Stainless steel pipe fittings harden quickly after weldin...Read more