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Small Diameter ERW Steel Pipe Price June 9th 2021
API 5L/ASTM A53 GR.B (Small Diameter ERW Steel Pipe) Outside Diameter Wall Thickness FOB TIANJIN Outside Diameter Wall Thickness FOB TIANJIN 外径 (mm) 壁厚 (mm) 离港价 USD/TON 外径 (mm) 壁厚 (mm) 离港价 USD/TON 33.4 (1″) 2.1-2.4 866.36 Φ133 3.0-5.75 843.22 2.5-...Read more -
Hot Rolled ERW Steel Pipe Price June 9th 2021
API 5L/ASTM A53 GR.B (Hot Rolled ERW Steel Pipe) Outside Diameter Wall Thickness FOB TIANJIN Outside Diameter Wall Thickness FOB TIANJIN 外径 (mm) 壁厚 (mm) 离港价 USD/TON 外径 (mm) 壁厚 (mm) 离港价 USD/TON 219、245 5.0-11.75 833.69 426 5.75-11.75 854.11 273 5.0-11.75 833.69 ...Read more -
Hot Expanded ERW Steel Pipe Price June 9th 2021
API 5L/ASTM A53 GR.B (HOT EXPANDED ERW STEEL PIPE) Outside Diameter Wall Thickness FOB TIANJIN Outside Diameter Wall Thickness FOB TIANJIN 外径 (mm) 壁厚 (mm) 离港价 USD/TON 外径 (mm) 壁厚 (mm) 离港价 USD/TON 245, 273 5.0-9.28 862.55 450, 457, 508, 530 6.5-11.98 900.67 ...Read more -
Four methods of measuring the length of spiral steel pipe
1. Improved encoder length measurement This method is an indirect measurement method. The length of the steel pipe is measured indirectly by measuring the distance between the two end faces of the steel pipe and their respective reference points. Set a length measuring trolley at each end of the ...Read more -
Technical characteristics of double-sided submerged arc welding spiral steel pipe
1. During the forming process of the steel pipe, the steel plate deforms evenly, the residual stress is small, and the surface does not produce scratches. The processed steel pipe has greater flexibility in the size range of steel pipes with the diameter and wall thickness, especially in the prod...Read more -
Petroleum casing threaded connection type insulation joint installation requirements
1. Within 50 meters of the installation location of the insulation joint, avoid dead holes to be welded. 2. After the insulated joint is connected to the pipeline, it is not allowed to lift the pipeline within 5 meters of the joint. The pressure must be tested together with the pipeline. 3. A...Read more