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How to judge the quality of spiral steel pipe

How to judge the quality of spiral steel pipe

Keywords :How to judge the quality of spiral steel pipe        Update : 2022-11-14        View(s) : 481

1. From the surface of the spiral steel pipe , see whether the production process of the spiral steel pipe is exquisite. It is generally necessary to study and analyze the spiral steel, and the section of the fake and inferior spiral steel pipe is oval. The reason is that the manufacturer saves r...

Three welding techniques for stainless steel welded pipes

Three welding techniques for stainless steel welded pipes

Keywords :Three welding techniques for stainless steel welded pipes        Update : 2022-11-11        View(s) : 1

At present, the welding methods of stainless steel welded pipes used in the industry mainly include argon arc welding, high-frequency welding, plasma welding, and laser welding. Several welding methods have their characteristics. At present, the most used are argon arc welding and high-frequency...

Processing application requirements of stainless steel pipes

Processing application requirements of stainless steel pipes

Keywords :Processing application requirements of stainless steel pipes        Update : 2022-11-10        View(s) : 535

Precision stainless steel pipes are very characteristic in terms of model specifications and appearance performance. First of all, the thicker the pipe wall of this type of stainless steel pipe, the higher the cost performance and practicability, and the thinner the pipe wall, the higher the pro...

Methods and annealing steps in preheating deformation of straight seam steel pipes

Methods and annealing steps in preheating deformation of straight seam steel pipes

Keywords :Methods and annealing steps in preheating deformation of straight seam steel pipes        Update : 2022-11-09        View(s) : 467

The method of preheating deformation of straight seam steel pipe : 1. Reasonable selection of materials. For precision and messy molds, micro-deformation mold steels with good materials should be selected, and mold steels with serious carbide segregation should be reasonably cast and quenched, ...

Causes and cutting methods of slag inclusion in straight seam steel pipes

Causes and cutting methods of slag inclusion in straight seam steel pipes

Keywords :Causes and cutting methods of slag inclusion in straight seam steel pipes        Update : 2022-11-08        View(s) : 498

Welded steel pipe slag is the slag that remains inside the weld. Theoretically, there are three main reasons for slag inclusion in submerged arc automatic welding seam: 1) There are many inclusions in the raw materials (including base metal, welding wire, and flux); 2) The interlayer cleaning is...

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