Industry News
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Derusting method and production process of large diameter straight seam steel pipe
Large-diameter straight seam welded pipe is a general name, which is produced by steel strips, and the pipes welded by high-frequency welding equipment are called straight seam welded pipes. (It gets its name because the welding of the steel pipe is in a straight line). Among them, according to d...Read more -
What is the difference between straight seam steel pipe and seamless steel pipe
A. Different categories 1. Straight seam steel pipe: divided into metric electric welded steel pipe, electric welded thin-walled pipe, transformer cooling oil pipe 2. Seamless steel pipes: seamless pipes are divided into hot-rolled pipes, cold-rolled pipes, cold-drawn pipes, extruded pipes, jacki...Read more -
How to carry out anti-corrosion treatment of spiral steel pipe for water delivery
If the spiral steel pipe for water transportation is used to transport tap water or drinking water, the inner wall is usually made of IPN8710 non-toxic anti-corrosion coating, and the outer wall is made of epoxy coal tar pitch for anti-corrosion. Of course, it can also be used for inner and outer...Read more -
Introduction to the quality process and characteristic uses of large-diameter steel flanges
Large-diameter steel flange is a kind of steel flange, which is widely used and promoted in the machinery industry, and has been well received and favored by users. Large-diameter steel flanges are widely used, and the scope of use is determined according to different characteristics. They are mo...Read more -
What are the details of thick-walled steel pipes before use
The welding method of thick-walled steel pipes should be selected according to the material and wall thickness of thick-walled steel pipes. Because different welding methods have different arc heat and arc force, different welding methods have different characteristics. For example, tungsten arc ...Read more -
Manufacturing Technology of Large Diameter Longitudinal Submerged Arc Welded Steel Pipes
Large-diameter straight seam submerged arc steel pipes are mainly responsible for the pipeline transportation of marine and land oil and gas, oil and natural gas, coal, and ore pulp. The methods and characteristics of international pipe-making technology, the forming methods of large-diameter lon...Read more