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1. Spiral submerged arc welded steel pipe (SSAW) and longitudinal submerged arc welded steel pipe (LSAW) In the 1950s and 1960s, spiral steel pipes were widely used in oil and gas pipelines. In the...

According to different production methods, seamless pipes (smls pipe) can be pided into hot-rolled pipes, cold-rolled pipes, cold-drawn pipes, and extruded pipes.Since seamless pipes are often in high...

The construction of fossil fuel power plants usually includes planning, design, and water vapor cycle control. Seamless steel pipes and pipe fittings for high-pressure boilers of various sizes made of...

The seamless steel casing pipes are directly connected by threads, and the male end is connected to the female end. When connecting, the reliable performance of the sealing of the casing thread positi...

The process performance of seamless steel tubes (smls tube) can be inspected through four aspects: hydraulic (water) pressure test, flattening test, bending test, and flaring test, to test the suitabi...

What is 321 stainless steel? 321 stainless steel is a material with excellent high temperature stress rupture performance and high temperature creep resistance, and its stress and mechanical...

In order to improve the performance of stainless steel pipe (ss pipe), it is often necessary to adopt certain cold working methods, such as cold drawing, cold rolling, cold rolling, cold bending, cold...

For carbon seamless steel pipes, if the outer diameter and wall thickness are known, it is required to calculate how much pressure it can withstand; or if the outer diameter and pressure are known, it...

Carbon Steel Mainly refers to the steel whose mechanical properties depend on the carbon content in the steel, and generally do not add a large amount of alloying elements. Sometimes it is also calle...

Hot-rolled seamless steel pipe is a round, square, and rectangular steel with a hollow section and no joints on the periphery. When the bending and torsion strength is the same, the weight is lighter....