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Bq Nq Hq Drilling Through Steel Pipe Od 420mm

    Buy cheap Bq Nq Hq Drilling Through Steel Pipe Od 420mm from wholesalers
     
    Buy cheap Bq Nq Hq Drilling Through Steel Pipe Od 420mm from wholesalers
    • Buy cheap Bq Nq Hq Drilling Through Steel Pipe Od 420mm from wholesalers

    Bq Nq Hq Drilling Through Steel Pipe Od 420mm

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    Brand Name : TORICH
    Model Number : GB/T 9808-2008
    Certification : ISO 9001 ISO 14001 TS 16949
    Price : negotiable
    Payment Terms : T/T, L/C, D/A, D/P, Western Union, MoneyGram
    Supply Ability : 50000 tons per year
    Delivery Time : 30-45 days
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    • Company Profile

    Bq Nq Hq Drilling Through Steel Pipe Od 420mm

    BQ NQ HQ 45MnMoB Drill Steel Pipe


    Product information
    Applicatioan: for wire-line drill rods,core barel tubes,drill rods coupling casing
    Size range: OD 5-420mm, WT 0.5-50mm Length max12000mm
    Material: 45MnMoB,10#,20#,45#,4130,4140,16Mn,etc.

    Chemical composition of 45MnMoB
    C: 0.41-0.49,Si: 0.17-0.37,Mn: 0.9-1.2,S: 0.04max,P: 0.04max,Mo: 0.2-0.3,B: 0.001-0.005


    Tolerance of Outer Diameter and Wall Thickness

    StandardProduction MethodTube SizeTolerance
    GB/T 9808-2008Hot rolledOD(+1.0%D) or +0.65
    (-0.5%D) -0.35
    WT≤10(+15%S)or +0.45
    (-10%S) -0.35
    >10(+12.5%S, -10%S)
    Cold Drawn(rolled)OD±0.50%D or ±0.20
    WT±8%S or ±0.15
    Q(N)/ T118-2010Cold DrawnODOD±0.40%D or ±0.20
    WTWT±7%S or ±0.15

    Mechanical Property

    No.GradeTensile Strangth Rm/MPaSpecifies the non-proportional extension strength Rp0.2/MPa

    Percentage elongation after fracture

    A/%

    No less than
    1ZT38064038014
    2ZT49069049012
    3ZT520780520a15b
    4ZT54074054012
    5ZT59077059012
    6ZT64079064012
    7ZT74084074010

    a Grade ZT520 measure RP0.5

    bGrade ZT520 use tensile sample S4 S5 or S6 in GB/T 228

    Product Tags:

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    Quality Bq Nq Hq Drilling Through Steel Pipe Od 420mm for sale

    Bq Nq Hq Drilling Through Steel Pipe Od 420mm

    Company Info.
    TORICH INTERNATIONAL LIMITED
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