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The internal cut of the large-diameter steel pipe is caused by the unsatisfactory design of the head and the sharp-edged protrusion on the connecting rod connecting the plug, or the welding of metal p...

Deformation heat treatment High temperature deformation heat treatment can increase the yield ratio and elastic limit of spiral steel tubes. Improve the comprehensive mechanical properties, fatigue pr...

(1) Carbon; the higher the carbon content, the higher the hardness, but the worse its plasticity and toughness. (2) Sulfur; it is a harmful impurity in steel. When steel with high sulfur content is su...

As an economic section steel, seamless steel pipe plays a major leading role in economic development and construction. Then every place in life can see its existence, then it means that its use is ver...

Seamless steel tubes are very rapid and changeable in the development process, so there are more problems. As a relatively important market development of the seamless steel pipe industry, it should b...

Steel pipe is a kind of hollow long steel, which is used as a pipe for conveying fluids, such as petroleum, natural gas, water, gas, steam, etc. In addition, when the bending and torsional strength ar...

Carbon steel pipes can be classified into low carbon steel, medium carbon steel and high carbon steel according to chemical composition (ie, carbon content). Low carbon steel, also known as mild steel...

The process flow for the production of steel pipes is as follows: 1. Sample preparation: In order to facilitate the inspection, the production and installation accuracy of the steel pipe and various p...

There are three common methods for forming welded steel pipes: 1. Single radius forming method The single-radius roll forming method has three methods: a circumferential bending forming method, an ...

The seamless steel tube is a long strip of steel with a hollow section and no seams around it. The seamless steel pipe is formed by perforating a steel ingot or a solid tube blank, and then hot rolled...