After a series of treatments such as forming, welding, and cooling, the spiral steel pipe still ...
1. Welding temperature control of thick-walled steel pipe : The welding temperature is affected...
First, the principles of acceptance of spiral steel pipes : The quality inspection and acceptan...
What are the common connection methods of 3PE anti-corrosion steel pipes ? (1) Welding connecti...
Spiral steel pipes are widely used in our lives and can be used in almost every industry, such a...
Straight seam steel pipe is a steel pipe whose weld seam is parallel to the longitudinal directi...
❶Carbon seamless steel pipe : The commonly used manufacturing materials are No. 10, No. 20, and 1...
1. Spiral steel pipe packaging should be able to avoid loosening and damage during normal loadin...
To improve the service life of oil and gas pipelines, surface treatment is usually carried out to fa...
Spiral steel pipes are mainly used in water supply engineering, the petrochemical industry, the ...
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