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Tube specification 

 

G-type fin tube

Model No.︰BS-FT
Brand Name︰BS
Country of Origin︰China
Unit Price︰US $ 850 / ton
Minimum Order︰5 ton
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Product Description
G-type Fin Tubes
Fin Materials::Aluminum, Copper
Tube Materials::No limits
Fin Thickness::Min: 300 µ Max: 500µ
Tube Size::12.70mm~50.8mm
Fin Size::7~11.5Fins/Inch Fin Height Max 16mmH

 

In this type of finned tubes, the fin is curled into a groove on the tube wall.

  • Fin Materials: Aluminum, Copper
  • Tube Materials: No limits
  • Fin Thickness: Min: 300 µ
                               Max: 500µ
  • MANUFACTURING PROCESS
    The manufacturing tool is made up of 2 non-cutting plates set at 90° to the axis of the base tube. The first plate effects a groove for metal spinning. The second directs the ribbon in the groove and sets the fin foot in the groove through pressure on the metal displaced for the groove. A similar plate made of tungsten carbure allows us to manufacture. Gfin tubes (finned tubes)with base tubes made of austenitic steel or exotic alloys.
    ADVANTAGES
    1) Thermal
    The fin/tube wall contact is constant because of the setting and makes it possible to use a wall temperature of up to 400° C.
    2) Mechanical
    The fin is set throughout its length and consequently does not unwind even when partially uprooted.

     

    download fin tubes (finned tubes) comparings

     

       

     

    PRODUCT
    DESCRIPTION
    TUBE MATERIAL
    FIN  MATERIAL
    TUBE SIZE
    FIN SIZE
    High Fin Tube
    Extruded Fin Tube
    All Kind of Material can be applied
    Aluminum A1050, A6061
    15.88~50.8
    7~11.5Fins/Inch
    Fin Height Max 16mmH
    L-Fin Tube
    (Wrap On Type)
    All Kind of Material can be applied
    Copper C1100, C1220
    12.70~50.8
    7~11.5Fins/Inch
    Fin Height Max 16mmH
    G-Fin Tube (Imbedded Type)
    Aluminum A1100, A1050, A1060
    High Frequency Welded Fin Tube
    Carbon Steel Tube
    Carbon Steel Tube
    12.70~160
    1.5~7Fins/Inch
    0.8~3.2mm. Thickness
    Stainless Steel Tube
    Stainless Steel Tube
    Alloy Steel Material
    Alloy Steel Material
    Integral Copper & Copper Alloy High Fin Tube
    C12200, C11000, C70600
    C12200, C11000, C70600
    15.88~22.23
    5~9Fins/Inch
    Max 12mm.H
    Oval Fin Tube
    Carbon Steel Tube
    Carbon Steel Tube
    All Size Available
    5~15Fins/Inch
    Stainless Steel Tube
    Stainless Steel Tube
    Alloy Steel Material
    Copper &Copper Alloy Tube
    Alloy Steel Material
    Copper &Copper Alloy Tube
    Low Fin Tube
    Low Fin Tube
    All Kind of Material
    --
    9.52~40
    19~54Fins/Inch
    Turbo-C Tube
    Turbo-E Tube
    Corrugated Tube
    All Kind of Material
    --
    6.35~40
    2~9Fins/Inch
    Inner Ridged Tube
    C12200
    --
    7.93~15.88
    60~75Fins/Inch
    Flower Tube
    C12200
    --
    16.0~19.0
    12~15Fins/Inch

     

    Spec.

    OD range mm

    Grade

    Chemical composition

    Cu %

    Sn %

    Al %

    Ni+Co %

    Pb %

    Fe %

    Zn %

    Mn %

    As %

    P %

    ASME SB111

    4~200

    C12200

    ≥99.9

    -

    -

    -

    -

    -

    -

    -

    -

    0.015~0.040

    4~60

    C44300

    70~73

    0.9~1.2

    -

    -

    ≤0.07

    ≤0.06

    Rem.

    -

    0.02~0.06

    -

    4~60

    C68700

    76~79

    -

    1.8~2.5

    -

    ≤0.07

    ≤0.06

    Rem.

    -

    0.02~0.10

    -

    4~60

    C70600

    Rem.

    -

    -

    9.0~11.0

    ≤0.05

    1.0~1.8

    ≤1.0

    ≤1.0

    -

    -

    4~60

    C71500

    Rem.

    -

    -

    29.0~33.0

    ≤0.05

    0.4~1.0

    ≤1.0

    ≤1.0

    -

    -

Product Image


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