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  • Hot extruded steel pipe

    Hot extruded steel pipe

    Hot extruded steel pipe is used in the production of hot extrusion process to manufacture seamless steel tubes. Hot extrusion is widely used in the production of aluminum, copper and other nonferrous metals pipes and profiles. Hot extrusion of steel for the production of both special pipes and pr...
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  • Factors of weld defects

    Factors of weld defects

    Factors of weld defects (1) Material factors: The so-called material factor refers welding base metals and welding materials used, such as wires, rods, flux, and the shielding gas and the like. All of these materials are directly involved in the welding puddle or physico-chemical reaction of the ...
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  • Hot forging and cold forging

    Hot forging and cold forging

    Hot forging means forging blank metal above the recrystallization temperature carried out. Features: reducing the deformation resistance of metals, thus reducing bad forging force needed to deform the material, so that greatly reduced the tonnage forging equipment; altering the structure of ingot...
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  • Effect of steel composition on the zinc coating

    Effect of steel composition on the zinc coating

    When the meter steel workpieces, the selection of steel, usually the main consideration is: the mechanical properties (strength, toughness, etc.), processing performance and cost. But for galvanized parts, the composition of the selection of materials, the quality of the hot-dip galvanizing has g...
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  • API 5L/ASTM A106 GR.B, SSAW Carbon Steel Pipe

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

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

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

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