1. To prevent erosion due to heating, the welding should not be too long, about 20% less than the ca...
At present, the welding methods of stainless steel welded pipes used in the industry mainly incl...
The method of preheating deformation of straight seam steel pipe : 1. Reasonable selection of m...
Oil casing is a high-end product produced by steel pipes. There are many varieties of the casing...
The difference between 3pe anti-corrosion steel pipe and 2pe anti-corrosion steel pipe is that t...
Pre-welding of straight seam steel pipes : Pre-welding includes joints and welds. 1. There is n...
The nominal diameter of straight seam steel pipe refers to the series of diameters specified in ...
Steel pipeline anti-corrosion materials are divided into pipeline-themed anti-corrosion material...
Technical requirements for straight seam welded pipes : Technical requirements and inspection o...
The quality of non-standard straight seam welded steel pipe is not only related to its service l...
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