Product Information
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The production process of the industrial epoxy resin coated steel pipe inside and outside
First, pre-treat the base pipe of epoxy resin coated steel pipe inside and outside—-grind the steel pipe (Advantages: Automatic spraying makes the coating of the inner and outer walls of the substrate uniform and has good leveling. Meet CJ/T120-2008 standard and GB/T5135...Read more -
The difference between the standard specification of spiral steel pipes and precision steel pipes
Spiral steel pipe is mainly used in tap water engineering, the petrochemical industry, the chemical industry, the power industry, agricultural irrigation, and urban construction. Spiral steel pipe is one of the 20 key products developed in my country. For liquid transportation...Read more -
What are the advantages of 304 stainless steel pipe fittings
① Advantages of material performance: As the name suggests, thin-walled stainless steel water pipes are made of stainless steel. The strength of stainless steel is 3 times that of copper pipes and 8 to 10 times that of PPR pipes. It can withstand the impact of high-speed water...Read more -
IndustriaL large diameter straight seam submerged arc welded steel pipe manufacturing technology
Large-diameter straight-slit submerged arc steel pipes are mainly responsible for the pipeline transportation of marine and onshore oil and gas, petroleum and natural gas, coal and mineral pulp, and other media. They are especially suitable for the “West-East Gas Transmi...Read more -
Processing technology and inspection steps of the industrial straight seam steel pipes
In the process of making straight seam steel pipes, the processing method will have a lot of influence on it. So what are the processing methods for straight seam steel pipes? The staff of the manufacturer will introduce several main methods to you. By using the repeated impac...Read more -
Technical requirements and processing methods of straight seam welded steel pipes
First, technical requirements of straight seam welded steel pipes: Technical requirements and inspection of straight seam welded steel pipes According to the provisions of GB3092 “Welded steel pipes for low-pressure fluid transportation”, the nominal diameter of we...Read more -
What should be done when the cooling of large-diameter steel pipes is completed
(1) When the cooling is completed, that is, when the temperature of the surface and the core is completely the same, the elastic deformation of the surface and the core also disappears and returns to the original state. Although instantaneous thermal stress is generated during...Read more -
Correct operation and acceptance method of straight seam steel pipe
At present, there are more and more types of straight seam steel pipes. With the rapid development of strip steel continuous rolling production and the advancement of welding and inspection technology, the welds are constantly improving, the varieties and specifications of wel...Read more -
Two possibilities for the formation of surface defects of spiral steel pipes
There are two possibilities for the formation of surface defects of spiral steel pipes: one is that the material itself is not plastic enough during the deformation process, resulting in cracks and external folds; the other is that the surface oxidation of the material causes ...Read more