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API 5L/ASTM A53 GR.B (Hot Rolled ERW Steel Pipe)
API 5L/ASTM A53 GR.B (Hot Rolled ERW Steel Pipe) Outside Diameter Wall Thickness EXW Outside Diameter Wall Thickness EXW 外径 (mm) 壁厚 (mm) 出厂价 USD/TON 外径 (mm) 壁厚 (mm) 出厂价 USD/TON 219、245 5.0-11.75 $607.98 462 5.75-11.75 $628.25 273 5.0-11.75 $607.98 12.5-13.75 $635.01 ...Read more -
API 5L GR.B/ASTM A53 GR.B (HOT EXPANDED ERW STEEL PIPE)
API 5L GR.B/ASTM A53 GR.B (HOT EXPANDED ERW STEEL PIPE) Outside Diameter Wall Thickness EXW Outside Diameter Wall Thickness EXW 外径 (mm) 壁厚 (mm) 出厂价 USD/TON 外径 (mm) 壁厚 (mm) 出厂价 USD/TON 245, 273 5.0-9.28 $643.38 450, 457, 508, 530 6.5-11.98 $677.16 9.45-9.98 $646.09...Read more -
Making Technique of Seamless Steel Pipes
Making Technique of Seamless Steel Pipes The major making techniques of seamless steel pipes are as follows. 1. Plug Rolling Production Production equipments consist of punching machine, automatic pipe rolling mill, reeling mill, sizing mill and the reducing mill. Pierce the round tube into the ...Read more -
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