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Classification and application range of welded steel pipes
Welded pipe, also known as welded steel pipe, is a steel pipe made of steel plate or strip steel after crimping and welding. Welded steel pipe has a simple production process, high production efficiency, many varieties and specifications, and less equipment investment, but its...Read more -
Anti-corrosion method of buried steel pipe
The anti-corrosion of the steel pipe is based on the requirements of the drawings, and the epoxy coal tar pitch paint is used to wrap the glass cloth, and the top coat is used for anti-corrosion. Outer wall construction process: pipe rust removal → primer → top coat → second t...Read more -
How many usages of stainless steel pipe fittings
Stainless steel pipe is a hollow long round steel, mainly widely used in petroleum, chemical, medical, food, light industry, mechanical instruments, and other industrial pipelines and mechanical structural components. In addition, when the bending and torsional strength are th...Read more -
What are the quality requirements for steel pipe pickling
(1) After pickling, the corrosion and oil stains on the inner wall of the steel pipe are all removed, and the cleanliness should meet the requirements of relevant standards. (2) Pickling parts must not be pickled. If the steel pipe is immersed in the pickling solution for too ...Read more -
Spiral steel pipe production process introduction and classification standards
Spiral steel pipe production process: It is a spiral seam steel pipe made of strip steel coil as raw material, extruded at regular temperature, and welded by automatic double-wire double-sided submerged arc welding process. (1) Raw materials are strip steel coils, welding wire...Read more -
Straight seam steel pipe classification and welded steel pipe use guide
Straight seam steel pipe refers to a welded steel pipe with one weld in the longitudinal direction of the pipe body. GB/9711.1 stipulates that when the diameter is greater than 914.4, the straight seam steel pipe can have two straight welds, and the angle between the welds is ...Read more -
Anti-corrosion process of anti-corrosion steel pipes
In recent years, the demand for steel pipe insulation in various industries in China has increased. The production technology of domestic steel pipe anti-corrosion factories has been relatively mature, and various anti-corrosion products can be produced. Among them, 3PE anti-c...Read more -
Geometric Properties of Sections of Large Diameter Steel Pipes
(1) Its node connection is suitable for direct welding, which does not need to pass through the gusset plate or other connectors, which saves labor and materials. (2) When necessary, concrete can also be poured into the tube to form a composite member. (3) The geometric charac...Read more -
How to judge the quality of spiral steel pipes
1. From the surface of the spiral steel pipe to see whether the production process of the spiral steel pipe is exquisite. Generally, research and analysis of spiral steel are required, and the section of fake and inferior spiral steel pipes is oval. The reason is that the manu...Read more