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  • Japan’s seamless steel pipe output drops in May on decreased car output & fewer operation days

    Japan’s seamless steel pipe output drops in May on decreased car output & fewer operation days

    According to statistics, Japan produced a total of around 13,000 tons of seamless steel pipes in May this year, dropping by 10.4% compared to the same month a year ago. The output in the first five months amounted to approximately 75,600 tons, a year-on-year decrease of 8.8%. The output of seamle...
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  • Difference between ERW and SAW steel pipe

    Difference between ERW and SAW steel pipe

    ERW is a electric-resistance welded steel pipe, Resistance welded steel pipe is divided into exchange of welded steel pipe and DC welded steel pipe in two forms. AC welding in accordance with different frequencies are divided into low-frequency welding, IF welding, welding of ultra-IF and high-fr...
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  • ERW carbon steel pipe vs spiral pipe

    ERW carbon steel pipe vs spiral pipe

    ERW carbon steel pipe vs spiral pipe: First, the difference between the production process ERW carbon steel pipe is the hot rolled coil through the continuous roll forming, the use of high-frequency current skin effect and proximity effects, so that the edge of the coil heat fusion, pressure in t...
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  • Production process of spiral steel pipe

    Production process of spiral steel pipe

    Spiral steel pipe is a strip coil as raw material, often warm extrusion molding, automatic double wire-sided submerged arc welding process welded spiral seam steel pipe main production processes are as follows: Production process of spiral steel pipe 1. unwinding board probe: After entering the...
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  • Classification and terminal application of stainless steel pipe

    Classification and terminal application of stainless steel pipe

    Stainless steel pipe according to the material points are mainly ordinary carbon steel pipe, high-quality carbon structural steel pipe, alloy structural pipe, alloy steel pipe, bearing steel pipe, stainless steel pipe and bimetallic composite pipe, coating and coating pipe. Stainless steel tube o...
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  • Classification and use of steel pipe

    Classification and use of steel pipe

    According to production method It can be divided into seamless steel pipe and welded steel pipe, and the welded steel pipe is referred to as straight seam steel pipe. Seamless steel pipes can be used in liquid pressure pipes and gas pipes in various industries. Welded pipes can be used for water ...
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