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Knowledge of erw line pipe
With the rapid development of economy and the continuous improvement of the energy demand, the pipeline as the oil and gas resources has developed in recent years. A number of medium-caliber ERW line pipe unit was completed and put into operation.ERW line pipe has been widely used in the oil and ...Read more -
High-strength cold-formed structural steel defect
High-strength cold-formed structural steel defect Roll forming process is a very complex process, if the design is unreasonable, in the debugging process will appear wavy edges, pocket wave longitudinal bending, folds the corners, cracks and distortions deformation defects, which are often in deb...Read more -
Large-diameter LSAW Steel Pipe Production Process
Large-diameter LSAW Steel Pipe Production Process Large-diameter DSAW steel pipe production process mainly explained: 1. plate probe: used to manufacture large diameter LSAW steel pipe joints straight after entering the production line, the first full-board ultrasonic testing; 2. Milling: Milling...Read more -
Inner coating of gas pipeline
Inner coating can greatly improve pipeline capacity, both to prevent corrosion, reduce the role of the pumping costs. Improving gas flow within the coating technology development updates, has become the main means of transport in major companies to increase the amount. Significantly reduce the fr...Read more -
API 5L/ASTM A106 GR.B, SSAW Carbon Steel Pipe
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API 5L/ASTM A106 GR.B, LSAW Carbon Steel Pipe
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API 5L/ASTM A106 GR.B, ERW Carbon Steel Pipe
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API 5L/ASTM A106 GR.B, Seamless Carbon Steel Pipe
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How to deal with the defects of cold drawn steel tube when colding
1, Cold drawn steel pipe can lead to material lattice dislocations and other microscopic defects and surface roughness is increased, and precipitation-induced martensite and carbides. Such as cold austenitic steels exhibit increased magnetic phenomena. 2, Resulting in the material lattice disloca...Read more -
Flexible composite high pressure pipeline
Flexible composite high-pressure pipelines is a polymer composite material made of a certain high-intensity, high pressure, corrosion, fouling resistance, friction coefficient and good insulation, good flexibility and long life of an oil and gasindustrial pipe fittings. Flexible Composite press...Read more -
API 5L/ASTM A53 GR.B, CARBON STEEL, SSAW STEEL PIPE
API 5L/ASTM A53 GR.B, CARBON STEEL, SSAW STEEL PIPE TIANJIN USD/TON Outside Diameter 外径 (mm) 219 273 324 356 406 457 508 610 711 762 813 914 Wall Thickness 6 587 587 587 587 587 587 587 587 587 587 587 587 壁厚 (mm) 7 587 587 587 587 587 587 587 587 587 587 587 587 8 587 587 ...Read more -
API 5L/ASTM A106 GR.B, Seamless Carbon Steel Pipe
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