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About the production process and inspection standards of thick-walled straight seam steel pipes
by admin on 23-08-23
Thick-walled straight seam steel pipe is a steel pipe made by rolling the long steel strip of the specification into a round pipe through a high-frequency welding unit and welding the straight seam. The shape of the steel pipe can be round, square or irregular, depending on the sizing and rolling...
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Description of the length and mechanical properties of large-diameter steel pipes
by admin on 23-08-22
The main processing methods of large-diameter steel pipes are: Forging steel: a pressure processing method that uses the reciprocating impact force of a forging hammer or the pressure of a press to change the blank into the shape and size we need. Extrusion: It is a processing method for steel to...
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Internal anti-corrosion treatment method of large-diameter spiral steel pipes
by admin on 23-08-21
The construction of cement mortar fabric should usually be carried out after the large-diameter spiral steel pipe is laid, the pressure test is qualified, and the soil is compacted according to the design requirements. Because the steel pipe has small rigidity and thin wall, the pipeline must be ...
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Derusting method and inspection steps of straight seam steel pipe
by admin on 23-08-18
Since straight seam steel pipe is inseparable from human life and production activities, the production technology of straight seam steel pipe industry not only develops rapidly but also innovates. The production of straight seam steel pipe occupies an irreplaceable position in the iron and steel...
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Improving the Wall Thickness Accuracy of Reinforced 3PE Anti-corrosion Steel Pipe
by admin on 23-08-17
Now the application of reinforced 3pe anti-corrosion steel pipe is more, however, because the wall thickness accuracy of reinforced 3pe anti-corrosion steel pipe is not high, there is a phenomenon of uneven thickness, which will have a great impact on the performance of reinforced 3pe anti-corros...
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What are the heat treatment methods for spiral steel pipes
by admin on 23-08-16
1. Thermomechanical treatment: High-temperature thermomechanical treatment can improve the yield ratio and elastic limit of spiral steel pipe. Improve the comprehensive mechanical properties, fatigue properties, and stress relaxation properties of the spiral steel pipe. Reducing the ductile-britt...
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