GB5310 20G seamless boiler steel pipe

GB5310 20G seamless boiler steel pipe

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Grade 20G Seamless Steel Boiler Pipe is applicable to seamless tubes for making steam boiler whose pressure is high or higher and seamless tubes used as pipelines.

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  • Product Detail
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    • Commodity name: GB5310 20G seamless boiler steel pipe

    Grade 20G Seamless Steel Boiler Pipe is applicable to seamless tubes for making steam boiler whose pressure is high or higher and seamless tubes used as pipelines.

    Product introduction

    Grade 20G Seamless Steel Boiler Pipe is applicable to seamless tubes for making steam boiler whose pressure is high or higher and seamless tubes used as pipelines.

    20G seamless steel pipe is a high-quality carbon structural steel, boiler material, the carbon content of 0.17-0.24%, tensile strength of 410Mpa, yield point 230-250Mpa. Is our main production of steel, we can provide 20G Seamless pipe with high quality and competitive price. Here to introduce you to our 20G seamless pipe basic chemical properties and mechanical properties.

    UT(Ultrasonic examination), AR(As Hot Rolled only), TMCP(Thermal Mechanical Control Processing), N(Normalized), Q+T(Quenched and Tempered),Z Direction Test(Z15,Z25,Z35), Charpy V-Notch Impact Test, The Third Party Test (such as SGS Test), Coated or Shot Blasting and Painting.Additional Condition GB5310 20G 

    GB5310 20G boiler steel pipe Other Name:

    GB5310 20G boiler steel pipe, 20G boiler steel pipe, 20G boiler pipe


    Boiler steel pipe Application:
    GB5310 20G seamless steel pipes are mainly used for pressure vessels, machinery, pipe fittings, oil and chemical industry.

    Boiler tubing is used in these industries:
    Steam Boilers
    Power Generation
    Fossil Fuel Plants
    Electric Power Plants
    Industrial Processing Plants
    Cogeneration Facilities
    Internal defect control of small-diameter high-pressure boiler pipe
    Hardness testing methods of high-pressure GB5310 20G boiler steel pipe
    Characteristics of boiler pipe
    Heat boiler seamless extrusion technology
    Low and medium pressure boiler pipe

    GB 5310- 2008 standard is applicable to seamless tubes for making steam boiler whose pressure is high or higher and seamless tubes used as pipelines.

     

    Technical data

    Chemical Compositions(%) of GB5310 20G:

    Chemical elements Data
    Carbon 0.17-0.24
    Silicon 0.17-0.37
    Manganese 0.70-1.00
    Phosphorus(max) 0.03
    Sulfur(max) 0.03
    Chromium(max) 0.25
    Molybdenum(max) 0.15
    Cuprum(max) 0.2
    Nickel(max) 0.25
    Vanadium(max) 0.08


    Mechanical Properties of GB5310 20G:

    Properties Data
    Yield Strength (Mpa) ≥415
    Tensile Strength (Mpa) 240
    Elongation (%) 22


    The W.T. tolerance of GB5310 20G:

    W.T.(S) Tolerance of W.T.
    <3.5  +15%(+0.48mm min)
     -10%(+0.32mm min)
    3.5-20 +15%,-10%
    >20 D<219 ±10%
    D≥219 +12.5%,-10%
    Key words:
    • GB5310 20G seamless boiler steel pipe

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To: Tianjin Bohai Metal Company


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