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  • Quenching Method of Steel Pipe Deformation and Crack

    Quenching Method of Steel Pipe Deformation and Crack

    Austempering is to reduce the deformation of steel pipe and an effective method of quenching crack Jian, but how to properly use the process method should be based on reasonable seamless steel pipe material, size, hardness and toughness, deformation requirements, and specific working conditions t...
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  • Galvanized Method of Seamless Steel Pipe

    Galvanized Method of Seamless Steel Pipe

    To meet the various requirements of the premise of increasing the use of progress, extend the life of galvanized steel, zinc coating materials are evolving. Major new coatings are: (1) A zinc-iron alloy coating. That galvanized steel after heat treatment. Such as the diffusion annealing at 500 ~ ...
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  • How to Solve Bubble Problem of Precision Light Pipe

    How to Solve Bubble Problem of Precision Light Pipe

    Heat strengthened, high impact toughness, may not be sensitive to lack. Excellent thermoplastic, high speed extrusion into a complex structure, thin-walled, hollow profiles of various, or forgings forged into complex structures. Quenching temperature range, low quench sensitivity, after extrusion...
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  • Quality Inspection Mode of High Alloy Pipe

    Quality Inspection Mode of High Alloy Pipe

    1. Leveling milling: After the steel sheet leveling machine anvil original curved, then through the edge milling machine for milling steel two-sided margin, so as to meet the needs of the plate width, plate edge parallelism and groove shape. 2. Cut molding: in-line along the outer edge of the pla...
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  • Advantages and Disadvantages of Various Anti-corrosion Materials

    Advantages and Disadvantages of Various Anti-corrosion Materials

    Petroleum asphalt, raw materials wide, low prices. However, poor working conditions, difficult to guarantee quality, serious environmental pollution. Coal tar epoxy, easy to operate, but a long time covering layer is cured by environmental impact, suitable for field work, the following 10 ℃ diffi...
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  • Performance Advantages of Thermal Expansion Pipe

    Performance Advantages of Thermal Expansion Pipe

    Thermal expansion pipe is a steel pipe processing special way is a hot expanding the use of hydraulic or mechanical means urging the steel pipe from the steel wall along the radially outward dilatation molding pressure processing technology. Mechanical means than hydraulic methods, devices, simpl...
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