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    double wall bundy tube

    double wall bundy tube
    Product name:double wall bundy tube
    Category:double wall bundy tube
     
     
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                                        It mainly used on refrigeration condenser and evaporator, brake tube, oil

                                       injection tubeline and link pipe parts. It would be in coils and straight tube

     

    THE TYPE OF SURFACE COATING,CONDITION AND CODE STEEL TUBE

    type

    Coating condition

    code

    CU coated both sides a

    Cu coated on outer and inner side both

    DWCuCu

    ZN coated outer CU,

    coated inner b

    Outer Zn coated, inner CU coated

    DWZnCu

    a electric or hot dip galvanized。

    b made by both sides CU coated steel coil. On the welding line ,to be negotiated

     

    Main size OD and thickness

     

    OD

    /mm

    Thciknes/mm

    0.50

    0.60

    0.65

    0.70

    0.80

    0.90

    1.00

    1.20

    3.18

    4.00

    4.76

    5.00

    6.00

    6.35

    7.94

    8.00

    9.53

    10.00

    12.00

    12.70

     

    The tolerance allowed of the ODof the steel tube

    OD

    The tolerance allowed

    (based on no coating)

    < 4.76

    ±0.05mm

    4.76 ~ 8.00

    ±0.08mm

    > 8.00 ~ 12.00

    ±0.10mm

    > 12.00 ~ 18.00

    ±0.12mm

     

    The tolerance allowed of thethickness of the steel tube

    thickness

    The tolerance allowed

    (based on no coating)

    0.50

    ±0.07mm

    0.70

    ±0.08mm

    1.00

    ±0.09mm

    1.30

    ±0.10mm

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