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First of all, the place or warehouse where ERW steel pipes are stored should be selected in a clean and well-drained place, away from factories and mines that produce harmful gases or dust. On the sit...

Marine natural gas must be transported by offshore pipelines, and crude oil produced in shallow water can be directly loaded into tankers by production platforms. However, the crude oil produced in th...

(1) The domestic casing pipe is in accordance with SY / T6194-96. The length of the casing is variable, and its range is 8-13m. However, casings no shorter than 6m can be provided, and the number must...

What are the factors affecting the performance of galvanized steel pipes? 1. Carbon: The higher the carbon content, the higher the hardness, but the worse its plasticity and toughness. 2. Sulfur: It i...

: It is a steel grade produced according to the American ASTM standard, which belongs to the American standard grade. Among them, A53-F corresponds to domestic q235 steel, A53-A corresponds to domesti...

Oil casing drilling is also called percussion drilling. The steel wire rope is used to send the drill bit to the bottom of the well, and the beam mechanism is driven by the driving force to make one e...

American standard A106B seamless steel tube is a widely used high-quality steel pipe, which is widely used in petroleum, chemical and boiler industries. The material has good mechanical properties. Am...

The compressibility of the water is very small, the tube is filled with water to pressurize the water, the volume is compressed, and the pressure rises; when the amount of compression is small, the pr...

High frequency straight seam welded pipe can be pided into straight seam high frequency resistance welded steel pipe and straight seam high frequency induction welded steel pipe according to different...

The difference between normalizing, tempering, annealing and quenching lies in different processes, different changes in material structure, and different results of changes in material properties. 1...