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Classification and application fields of steel tees
Steel pipe fittings are also called steel tee fittings or tee fittings. The main pipe adopts a steel tee joint. It has three openings, namely one import and two exports; or two imports and one export. It is a chemical pipeline fitting. It has T-shape, Y-shape, equal-diameter pipe holes, and reduc...Read more -
Internal anti-corrosion treatment method for large diameter spiral steel pipe
The construction of cement mortar fabric should usually be carried out after the spiral steel pipe has been laid, the pressure test has passed, and the covering soil has been compacted according to the planning requirements. Due to the small stiffness and thin wall of the steel pipe, the pipe mus...Read more -
How should thick-walled steel pipes be stacked
1. Angle steel and channel steel should be stacked in the open air, that is, the mouth should be facing down. I-beams should be placed upright, and the I-beam surface of the steel should not be facing up to avoid water accumulation and rust. 2. Corresponding passages should be left between stacks...Read more -
Thin-walled stainless steel pipe construction and installation
1) Thin-walled stainless steel pipes and fittings should not be in direct contact with cement, cement mortar, and concrete. When the pipeline is concealed, anti-corrosion tape should be wrapped around the outer wall of the pipe or plastic-coated thin-walled stainless steel pipe should be used. 2)...Read more -
Why steel pipes need to be heat treated
The function of heat treatment is to improve the material mechanical properties of steel pipes and precision steel pipes, eliminate residual stress and improve the cutting performance of steel pipe metal. According to the different purposes of heat treatment, heat treatment processes can be divid...Read more -
Steel pipe defects and surface problems
1. Quenching cracks in steel pipes The quenching heating temperature of the steel pipe is too high, the heating time is too long, or the heating temperature is seriously uneven, which may easily cause quenching cracks. If the chemical composition of the steel pipe segregates, inclusions in the st...Read more -
Processing technology of straight seam steel pipe
In the production process of straight seam steel pipe, the processing method will have a lot of impact on it. So what are the processing methods for straight seam steel pipes? The staff of the manufacturer will introduce to you the main methods. Using the repeated impact of the forging hammer, th...Read more -
What is the difference between a welded steel pipe and a welded spiral steel pipe
Welded steel pipe refers to a steel pipe with seams on the surface, which is made by bending and deforming steel strips or steel plates into circular, square, and other shapes and then welding them. The blank used for welded steel pipes is a steel plate or strip. Since the 1930s, with the rapid d...Read more -
Comparison of the advantages and disadvantages of spiral steel pipe and straight steel pipe welds
The weld seam of spiral steel pipe is longer than that of straight seam steel pipe. If the pipe length is L, the weld seam length is L/cos(θ). Most of the defects in steel pipes are concentrated in the welds and heat-affected zones. Long welds mean a high probability of defects. This is the main ...Read more -
Application of stainless steel pipes in fire piping systems
Fire piping includes two systems: a fire hydrant system and a water sprinkler system. A stainless steel fire piping system is a widely used fixed fire protection facility in China. Nowadays, 304 stainless steel pipes are used in fire water supply pipes in sprinkler systems. As we all know, the se...Read more -
Hot-rolled steel pipe details
The hot-rolled steel pipe adopts German technology manufacturing equipment and advanced eddy current flaw detection equipment; internal burr removal and cold diameter reduction process equipment imported from the United States to ensure that the inner wall is smooth and smooth without damage and ...Read more -
Inspection methods for large diameter straight seam welded steel pipes
There are many methods for quality inspection of large-diameter straight seam welded steel pipes, among which physical methods are also commonly used. Physical inspection is a method that uses some physical phenomena to measure or inspect. The inspection of internal defects in materials or large-...Read more
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