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  • How to detect the weld position of steel pipes

    How to detect the weld position of steel pipes

    The detection of the weld position of steel pipes is a very important part of welding quality control and can be detected by a variety of methods. The following are some common weld position detection methods for steel pipes: 1. Visual inspection: Conduct a visual inspection of the welds of the s...
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  • Seamless steel pipe quality objection analysis and preventive measures

    Seamless steel pipe quality objection analysis and preventive measures

    Seamless steel pipe quality objection analysis and preventive measures We conduct statistical analysis on the product quality of seamless steel pipes. From the statistical results, we can understand that each manufacturer has processing defects (processing cracks, black leather buckles, internal ...
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  • 11 major energy-saving measures for steel pipe heat treatment processes

    11 major energy-saving measures for steel pipe heat treatment processes

    First, lower the heating temperature. Generally, the quenching heating temperature of hypereutectoid carbon steel is 30~50℃ above Ac3, and the quenching heating temperature of eutectoid and hypereutectoid carbon steel is 30~50℃ above Ac1. However, research in recent years has confirmed that heati...
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  • Q345B large diameter seamless square steel pipe details

    Q345B large diameter seamless square steel pipe details

    Q345B large-diameter seamless square steel pipe is a long steel product with a hollow section and no seams, which is made of seamless steel pipe as the base material through rolling or cold drawing. Compared with solid steel materials such as round steel, large-diameter seamless square 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 (mm) 6 643  643  643  643  643  643  643  643  643  643  643  643  7 643  643  643  643  643  643  643  6...
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  • API 5L/ASTM A106 GR.B, Seamless Carbon Steel Pipe

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

    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 1,192.20  3.02 1,192.20  / / 3/8” 17.1 2.31 1,025.30  3.2 1,02...
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