Products News
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What should you pay attention to when buying straight seam welded pipes
1. Classified by type: straight seam steel pipe, seamless spliced steel pipe, spiral steel pipe, etc. 2. Classification of cross-sectional shapes of straight seam steel pipes: square steel pipes, stainless steel round pipes, flat stainless steel round pipes, rectangular square pipes, semi-circula...Read more -
Large diameter socket type plastic coated steel pipe
Socket-type plastic-coated steel pipes are a new generation of anti-corrosion pipe products that use new anti-corrosion materials, advanced equipment, and hot-dip plastic processes to achieve internal and external anti-corrosion of steel pipes. It is an upgraded product of traditional anti-corros...Read more -
A simple analysis on the storage space and deoxidizer issues of straight seam steel pipes
Straight seam steel pipes can be divided into many different specifications and names, including straight seam welded pipes, double-sided submerged arc welded pipes, thick-walled straight seam steel pipes, straight seam steel pipes, large diameter straight seam steel line pipes, API5L straight se...Read more -
Inspection standards and welding control issues for thick-walled steel pipes
Through observation, it is not difficult to find that whenever thick-walled steel pipes, thermally expanded pipes, etc. are produced, strip steel is used as the production raw material, and the pipes obtained by thick-walled welding on high-frequency welding equipment are called thick-walled stee...Read more -
Seamless steel pipe heat treatment process
Annealing is to heat the cold-rolled precision bright steel pipe to an appropriate temperature, adopt different holding times according to the material and workpiece size, and then slowly cool it. The purpose is to make the internal structure of the metal reach or approach an equilibrium state an...Read more -
Main types of anti-corrosion coatings for large diameter spiral pipelines
Anti-corrosion of large-diameter spiral pipelines means that when large-diameter spiral pipelines are used and transported, the pipelines are affected by the use environment and the transportation medium, causing chemical or electrochemical reactions to cause corrosion of the pipelines. To effect...Read more