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  • SSAW Steel Pipe Price June 16th 2021

    SSAW Steel Pipe Price June 16th 2021

    API 5L/ASTM A53 GR.B, CARBON STEEL, SSAW STEEL PIPE FOB TIANJIN USD/TON Outside Diameter 外径 (mm) 219 273 324 356 406 457 508 610 711 762 813 914 Wall Thickness 6 986  986  986  986  986  986  986  986  986  986  986  986  壁厚 (mm) 7 986  986  986  986  986  986  986  986  986 ...
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  • Seamless Steel Pipe Price June 16th 2021

    Seamless Steel Pipe Price June 16th 2021

    API 5L/ASTM A106 GR.B, Seamless Carbon Steel Pipe 公称通径 DN 外径OD(mm) SCH40(6m/5.8m) SCH80(6m/5.8m) SCH160(6m/5.8m) 壁厚WT FOB 壁厚WT FOB 壁厚WT FOB (mm) USD/TON (mm) USD/TON (mm) USD/TON 1/4” 13.7 2.24 1,584.80  3.02 1,584.80  / / 3/8” 17.1 2.31 1,427.32  3.2 1,42...
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  • LSAW Steel Pipe Price June 16th 2021

    LSAW Steel Pipe Price June 16th 2021

    API 5L/ASTM A53 GR.B, CARBON STEEL, LSAW STEEL PIPE FOB TIANJIN Outside Diameter 外径 (mm) USD/TON 406 457 508 609.6 711.1 762 812 863.6 Wall  8 1,082  1,075  1,082  1,067  1,067  1,067  1,067  1,067  Thickness  9.53 1,075  1,059  1,067  1,043  1,043  1,043  1,043  1,043  壁...
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  • Small Diameter ERW Steel Pipe Price June 16th 2021

    Small Diameter ERW Steel Pipe Price June 16th 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″) 2.1-2.4 972.20  Φ133        3.0-5.75 945.43  2.5-...
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  • Hot Rolled ERW Steel Pipe Price June 16th 2021

    Hot Rolled ERW Steel Pipe Price June 16th 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 5.0-11.75 962.76  426 5.75-11.75 986.38  273 5.0-11.75 962.76 ...
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  • Hot Expanded ERW Steel Pipe Price June 16th 2021

    Hot Expanded ERW Steel Pipe Price June 16th 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 5.0-9.28 954.88  450, 457, 508, 530 6.5-11.98 1022.60 ...
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  • How to deal with the oxide scale of sanitary stainless steel pipe

    How to deal with the oxide scale of sanitary stainless steel pipe

    There are mechanical, chemical, and electrochemical methods to remove the oxide scale of sanitary stainless steel pipes. Because of the complexity of the oxide scale composition of sanitary stainless steel pipes, it is not easy to remove the oxide scale on the surface, but also to make the surfac...
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  • What is the difference between cold drawn steel pipe and hot rolled steel pipe

    What is the difference between cold drawn steel pipe and hot rolled steel pipe

    (1) The difference between hot working and cold working: hot rolling is hot working, and cold drawing is cold working. The main difference: hot rolling is rolling above the recrystallization temperature, cold rolling is rolling below the recrystallization temperature; cold rolling is sometimes he...
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  • How to Unblock the Gathering and Transportation Wax Condensation Buried Oil Pipeline in Winter

    How to Unblock the Gathering and Transportation Wax Condensation Buried Oil Pipeline in Winter

    The hot water sweeping method can be used to remove the blockage:   1. Use a 500 or 400 pump truck, 60 cubic meters of hot water at about 70 degrees Celsius (depending on the pipeline volume).   2. Connect the wire sweeping pipeline to the wire sweeping head. The pipeline should be firmly connect...
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  • Anti-corrosion treatment of ductile iron pipe

    Anti-corrosion treatment of ductile iron pipe

    1. Asphalt paint coating The asphalt paint coating is used to transport gas pipelines. Preheating the pipe before painting can improve the adhesion of the asphalt paint and accelerate the drying.   2. Cement mortar lining + special coating This kind of internal anti-corrosion measure is suitable ...
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  • SSAW Steel Pipe Price June 9th 2021

    SSAW Steel Pipe Price June 9th 2021

    API 5L/ASTM A53 GR.B, CARBON STEEL, SSAW STEEL PIPE FOB TIANJIN USD/TON Outside Diameter 外径 (mm) 219 273 324 356 406 457 508 610 711 762 813 914 Wall Thickness 6 868  868  868  868  868  868  868  868  868  868  868  868  壁厚 (mm) 7 868  868  868  868  868  868  868  868  868 ...
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  • Seamless Steel Pipe Price June 9th 2021

    Seamless Steel Pipe Price June 9th 2021

    API 5L/ASTM A106 GR.B, Seamless Carbon Steel Pipe 公称通径 DN 外径OD(mm) SCH40(6m/5.8m) SCH80(6m/5.8m) SCH160(6m/5.8m) 壁厚WT FOB 壁厚WT FOB 壁厚WT FOB (mm) USD/TON (mm) USD/TON (mm) USD/TON 1/4” 13.7 2.24 1,475.71  3.02 1,453.16  / / 3/8” 17.1 2.31 1,337.43  3.2 1,31...
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