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DN400 stainless steel pipe specification analysis
In the steel industry, stainless steel pipes are widely used in various fields such as petroleum, chemical industry, medical treatment, and food due to their corrosion resistance, high strength, and long life. As one of the specifications, DN400 stainless steel pipe is very popular in the market ...Read more -
How to correctly inspect the quality of stainless steel pipes
As an important building material, stainless steel pipe is widely used in various industries. To ensure the quality and safety performance of stainless steel pipes, correct inspection methods are crucial. First, appearance inspection. Appearance inspection is the most basic inspection work. By vi...Read more -
What are the technical requirements for galvanized steel pipes
Understanding the technical requirements of galvanized steel pipes. Regarding the understanding of galvanized steel pipes, its technical requirements have become a question that people have always been curious about. First of all, you must understand this product. Galvanized steel pipes are mainl...Read more -
Large-diameter seamless steel pipe related details
Large-diameter seamless steel pipes can be divided into straight seam arc welded steel pipes and straight seam submerged arc welded steel pipes according to traditional processes. The production process of straight seam welded pipe is simple, low cost, rapid development, and high production effic...Read more -
What causes steel pipes to bend during production
The straightening of straight seam steel pipes is an important process in the production of straight seam steel pipes. Especially for API standard oil casings, oil and gas pipes, and special pipes for mechanical equipment that have higher quality requirements. These steel pipes not only have stri...Read more -
Production technology of large-diameter plastic-coated spiral steel pipe
Large-diameter plastic-coated spiral steel pipe is a steel pipe with a polymer coating sprayed on the surface of the steel pipe. It has the characteristics of anti-corrosion, wear resistance, acid and alkali resistance, and anti-aging. Steel pipe surface treatment: First, the surface of the steel...Read more -
How to Production a Steel Reducer
Chemical pipe fittings are used to connect two pipes with different diameters. According to different shapes, they are divided into two types: concentric steel reducers and eccentric steel reducers. The reducer materials include stainless steel reducer (304, 304l, 316, 316l), alloy steel reducer,...Read more -
How to identify counterfeit thick-walled seamless steel pipe
1. Fake and inferior thick-walled seamless steel pipes are prone to folding. Folds are various fold lines formed on the surface of thick-walled seamless steel pipes. This defect often runs throughout the longitudinal direction of the product. The reason for folding is that shoddy manufacturers pu...Read more -
Troubleshooting and production technology of straight seam steel pipes
Straight seam steel pipes are steel pipes with welds that are longitudinally parallel to the steel pipe. They are usually divided into metric electric welded steel pipes, electric welded thin-walled pipes, transformer cooling oil pipes, etc. The production process of straight seam welded pipe is ...Read more -
Quality requirements for large diameter thick wall seamless steel pipes
①Chemical composition of steel: The chemical composition of steel is one of the most important factors affecting the performance of seamless steel pipes. It is also the main basis for formulating pipe rolling process parameters and steel pipe heat treatment process parameters. a. Alloying element...Read more -
Steel pipe processing methods
Steel pipe processing and furnace installation: 1. Workpieces that are easily deformed during heat treatment should be heated on a special fixture. 2. The workpiece should be placed in the effective heating zone Warm-up: 1. For workpieces with complex shapes or sharp changes in cross-section and ...Read more -
What are the uses of seamless steel pipes
The difference between seamless steel pipes and other long strips is that there are no seams around them, and the steel pipe section is hollow. Due to different cross-sectional shapes, they are often classified into round steel pipes and heterogeneous steel pipes. In terms of actual use efficienc...Read more