Product News

  • 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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  • A Clear Explanation of Different Types of Stainless Steel Pipes

    A Clear Explanation of Different Types of Stainless Steel Pipes

    Since its invention over a century ago, stainless steel has become the world’s most widely used and popular material. Chromium content gives its resistance against corrosion. Resistance can be demonstrated in reducing acids as well as against pitting attacks in chloride solutions. It has a minima...
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  • Production Techniques of Flanges

    Production Techniques of Flanges

    The production techniques of flanges fall into four major types: forging, casting, cutting, rolling. Cast Flange Pros: Precise, sophisticated shape and size light workload low cost Cons: Defects such as pores, crack, containing impurities Poor internal streamline (...
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