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  • Surface Treatment of Precision Steel Pipe

    Surface Treatment of Precision Steel Pipe

    Surface treatment of precision steel pipe is by changing the precision steel surface tissue heat treatment to alter one surface properties. Surface hardening eleven surface structure change, without changing the chemical composition of the surface heat treatment. It can be used high-frequency, in...
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  • Defects of Welded Steel Pipe

    Defects of Welded Steel Pipe

    Welded steel pipe production process is a steel sheet, strip, and other various molding methods using the straight press roll or helical direction curling into a desired cross-sectional shape, and then by means of heat, pressure, different methods of welding weld together to obtain steel. Therefo...
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  • Storage Conditions of Seamless Steel Pipe

    Storage Conditions of Seamless Steel Pipe

    1) Steel storage site or warehouse, should be selected in the clean, smooth drainage area, away from harmful gases or dust factories and mines. Presence on the ground to clear all the weeds and debris, keeping a clean steel; 2) In a warehouse not with acid, alkali, salt, cement, steel and other a...
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  • Puncher of Seamless Steel Pipe

    Puncher of Seamless Steel Pipe

    Production of hot-rolled seamless tube perforation is the most important step of deformation, its mission is to wear a solid tube rolled into a hollow tube. According to the structure and deformation characteristics piercing process of piercing machine can be divided into conventional perforating...
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  • Features and benefits of seamless steel pipe

    Features and benefits of seamless steel pipe

    Features and benefits of seamless steel pipe 1. High precision machining saves wear and tear when the user quantity. 2. Specifications, wide range of applications. 3. Cold rolled finished high accuracy, good surface quality, good straightness. 4. The inner diameter of the pipe can be made hexagon...
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  • Embrittlement of Precision Steel Pipe

    Embrittlement of Precision Steel Pipe

    Brittle tempering temperature range based on precision tubes can be divided into low and high temperature temper brittleness temper brittleness. After tempering brittleness precision tube alloy steel quenched martensite at a temperature range of 250 ~ 400 ℃ tempered steel embrittlement which a br...
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