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Brake tubes Double wall steel tubes J527 b small diameter tuing for automobiles

Categories Automotive Parts Steel Tubes
Brand Name: Torich
Model Number: SAE J527 b
Certification: ISO 9001 TS16949
Place of Origin: China
MOQ: 3 tons
Price: 4-6USD/kg
Payment Terms: L/C, T/T
Supply Ability: 5000 tons per year
Delivery Time: 4-5 week days
Packaging Details: In wooden boxes packaging
Material: 1008 or 1010 etc low carbon steel
Standard: SAE J527
OD: 4.76-8.00 mm
WT: 0.7mm
Length: Straight length or coil
Assurance pressure: 350kg/cm3
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    Brake tubes Double wall steel tubes J527 b small diameter tuing for automobiles

    Brake tubes Double wall steel tubes J527 b small diameter tuing for automobiles


    Copper brazed double wall steel tube is made of steel strips which is copper plated on both sides.It has widely applied for automobiles,refrigerators and the other hydraulic system industries.


    Dimension and specification


    O.D. mmThickness mmWeight g/m

    Assurance pressure kg/cm3

    4.760.770.28350
    6.000.791.76350
    6.350.797.75350
    7.000.7108.75350
    7.140.7111.17350
    8.000.7126.31350

    Tolerance

    O.D. and W.T. +/-0.08mm


    Chemical Composition

    C ≤ 0.12%

    Mn ≤ 0.50%

    P≤ 0.04%

    S≤ 0.045%


    Mechanical properties

    Tensile strength ≥30kgf/mm2

    Yield point ≥18kgf/mm2

    Elongation(50mm)≥25%

    Hardness(HR30T)≤ 65


    Expand test Take 3 samples of 200mm,expand the pipe outside dimension to larger than 25%


    Internal cleanliness Particle and oil <0.194g/m2




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