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NDT of pressure pipeline
Surface pressure pipeline NDT method selection principle: magnetic iron pipe should be used in magnetic particle testing; non-ferromagnetic steel should be used in penetration testing. Delayed cracking tendency of welded joints, the surface should be non-destructive testing after welding cooling ...Read more -
LSAW Steel Pipe Production Technology 16 Process Analysis
1.The board used to making LSAW steel pipe, steel plate into the production line after the first full plate ultrasonic inspection; 2. The edge milling: through the two edges of the steel plate edge milling machine double-sided milling, make it meet the requirements of plate, plate edge parallelis...Read more -
API 5L/ASTM A53 GR.B, CARBON STEEL, SSAW STEEL PIPE
API 5L/ASTM A53 GR.B, CARBON STEEL, SSAW STEEL PIPE EXW TIANJIN USD/TON Outside Diameter 外径 (mm) 219 273 324 356 406 457 508 610 711 762 813 914 Wall Thickness 6 $607.98 $607.98 $607.98 $607.98 $607.98 $607.98 $607.98 $607.98 $607.98 $607.98 $607.98 $607.98 壁厚 (mm) 7 $607.98 $60...Read more -
API 5L/ASTM A106 GR.B, Seamless Carbon Steel Pipe
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API 5L GR.B/ASTM A53 GR.B, CARBON STEEL, LSAW STEEL PIPE
API 5L GR.B/ASTM A53 GR.B, CARBON STEEL, LSAW STEEL PIPE EXW TIANJIN Outside Diameter 外径 (mm) USD/TON 406 457 508 609.6 711.1 762 812 863.6 Wall 8 $757.95 $751.20 $757.95 $744.44 $744.44 $744.44 $744.44 $744.44 Thickness 9.53 $751.20 $737.69 $744.44 $724.18 $724.18 $724.18 $724...Read more -
API 5L/ASTM A53 GR.B (Small Diameter ERW Steel Pipe)
API 5L/ASTM A53 GR.B (Small Diameter ERW Steel Pipe) Outside Diameter Wall Thickness EXW USD/ton Outside Diameter Wall Thickness EXW USD/ton 外径 (mm) 壁厚 (mm) 出厂价 USD/TON 外径 (mm) 壁厚 (mm) 出厂价 USD/TON 33.4 (1″) 2.1-2.4 $636.36 Φ133 3.0-5.75 $613.39 2.5-3.25 $617.44 6...Read more -
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