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Seamless steel pipe for hydraulic cylinder
Seamless steel pipes for hydraulic cylinders are seamless steel pipe products used in hydraulic cylinders. Hydraulic cylinders can be divided into piston cylinders, plunger cylinders, and swing cylinders in the structure. Cylinders can be divided into piston cylinders, film cy...Read more -
Four quality inspections of stainless steel elbow welding
1. Appearance inspection: Generally, it is mainly observed with the naked eye, sometimes with a magnifying glass 5-20 times. Through visual inspection, surface defects of welded stainless steel elbow welds can be found, such as undercuts, welding tumors, surface cracks, pores,...Read more -
Alloy steel pipe details
The performance of alloy steel pipe is much higher than that of ordinary seamless steel pipe. (1) Raw materials are strip steel coils, welding wires, and fluxes. Before putting into use, they must go through strict physical and chemical tests. (2) The head-to-tail butt joint o...Read more -
Causes and preventive measures of single side undercut of submerged arc welded steel pipe
In the production process of submerged arc welded steel pipes, especially in high-speed welding, the undercut has become the main defect in the production process of spiral submerged arc welded steel pipes. The defect of undercut mainly has the following surface forms: single-...Read more -
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