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  • High-pressure steel pipe production process and its simple maintenance

    High-pressure steel pipe production process and its simple maintenance

    The main production process of high-pressure steel pipe: billet heating, perforated tube, pipe extension. High-pressure steel pipe rolling, pipe sizing, reducing pipe, cooling and finishing steel or can be said to be heated perforated steel embryo hot rolled pickling spray head cut cold drawn car...
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  • Difference of Hot-rolled and Cold-drawn

    Difference of Hot-rolled and Cold-drawn

    Hot-rolled is based on the slab (mainly billet) as raw material, heated by a roughing mill and finishing mill group made of steel. From finishing the last one out of the hot strip mill by laminar cooling to the set temperature, the coiling machine rolled steel strip coils, steel roll cooled throu...
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  • disadvantages of welded pipes

    disadvantages of welded pipes

    Welded steel pipe is continuous online production, the thicker the thickness, the greater the unit and dissolves equipment investment, the less it has economical and practical. The thinner wall thickness, its input-output ratio will be reduced. The advantages and disadvantages of the process of t...
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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

    API 5L GR.B/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 8 786 773 779 759 759 759 759 759 Thickness 9.53 752 738 745 759 759 759 759 759 壁厚 (mm) 10 752 738 745 759 759 759 759 759 12...
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  • API 5L/ASTM A106 GR.B, Seamless Carbon Steel Pipe

    API 5L/ASTM A106 GR.B, Seamless Carbon Steel Pipe

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  • API 5L/ASTM A53 GR.B, CARBON STEEL, SSAW STEEL PIPE

    API 5L/ASTM A53 GR.B, CARBON STEEL, SSAW STEEL PIPE

    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 6 640 640 640 640 640 640 640 640 640 640 640 640 壁厚 (mm) 7 640 640 640 640 640 640 640 640 640 640 640 640 8 640 ...
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