HVAC/Refrigeration/Plumbing Tubes

HVAC/Refrigeration/Plumbing Tubes
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Straight Pipes And Tubes :
  • Size: 2 mm OD to 250 mm OD
  • Length: Up to 10 mtr or as required
  • Thickness: 0.30 mm to 20 mm
  • Temper: O/HH/H
  • Tubes for Plumbing And Sizes Medical Gases:
  • Size: 6 mm OD to 159 mm OD
  • Length: 10 Feet or as required
  • Thickness: 0.5 mm to 2.5 mm as per Table X, Table Y, Table Z
  • Temper: H/HH
  • Applications :
  • Our copper and CuproNickel tubes are used largely in HVAC, Refrigeration, automotive, plumbing and oil and gas industry.
  • Tecchnical Specifications : Copper Tubes
    Standard JIS H3300 ASTM B-68 BS 2871 PART 3 DIN 1785 IS 2501 BS 2871 PART 2 IS 2501
    Symbol C12200 C12200 C 106 SfCu 25 DHPIS191 PART VIII C101 ETP COPPER
    Cu 99.9 Min 99.9 Min 99.85 Min 99.9 Min 99.8 Min 99.90** Min 99.90** Min
    Sn - - 0.01 Max - 0.01 - -
    Pb - - 0.01 Max - 0.01 0.005 0.005
    Ni - - 0.10 Max 0.01 Max 0.10 Max - -
    Fe - - 0.03 Max - 0.03 - -
    As - 0.01- Max 0.05 Max - 0.05 - -
    P 0.015-0.040 0.015-.040 0.013-.050 .015-.040 0.015-0.10 - -
    Total Impurites Max. - - 0.06* - 0.06 0.03* 0.03*
    Condition O 1/2H H 050 - 060 M1/2H O F 25 0,1/21-1,HD OM 0,1/2H,HD
    Yield Strength N/mm2 - - - 150-240 - - -
    Tensile N/mm2 205 Min 245-325 315Max. - - 250 Min 205Min 235Min 235Min 280Min 200 - 250 Min. 270 Min. 205Min 235Min 265Min 280Min
    Elongation % 40% Min. - - 30% Min. 25% 40% Min. 25% Min
    Hardness HV 5 - - 105 Min 80-100 60 Max - - 100 Max 60 Max 40% Min 25% Min
    Grain Size Mm (75X) 0.25-0.06- 0.015- 0040 0.040 Min 0.05 Max - - - -


    Physical Properties Of Copper & Copper Based Alloy
    Density z Gms/Cm Melting Point Coefficient of thermal expansion (20-300 °C) X 10 Specific heat (at 20 ”C) Cal/gm/ Thermal Conductivity (at 20 ”C Cal) CM/Sec/ Electrical Conductivity at 20 ”C%IACS
    Solidus Temp. °C Liquidus Temp. °C
    Electrolytic Cu (ETP) 8.89-8.9 1069 1083 17.7 0.092 0.934 101%
    DHPCu 8.94 1065 1083 177.7 0.092 70-87 70-80
    DPACu 8.94 1065 1082 18.0 0.092 35-45 35-45
    Tellurium Cu (0.5 Tel) 8.94 1050 1080 17.8 0.092z 0.88 95%
    70/30 Cartridge Brass 8.53 915 955 19.9 0.090 0.29 28%
    Admiralty Brass 8.53 900 935 20.2 20.2 0.090 0.26 25%
    Aluminium Brass 8.33 930 970 18.5 0.090 0.24 23%
    70/30 Cu. Ni. 8.94 1100 1150 17.1 0.090 0.11 9%
    90/10 Cu. Ni. 8.94 1170 1240 16.2 0.090 0.07 4.6%

    Weight Calculating Formula

    D = Outside diameter

    t = Wall Thickness

    Tubes Kgs. Per foot (TUBES) (D & t in inches) Kgs. per meter (TUBES) (D & t in mm)
    Copper Tubes/Cu. Ni. Tubes (D-t) x t x 5.529 (D-t) x t x 0.0281

    Tolerances On Wall Thickness
    Specified Wall Thickness Tolerances on Specified Wall Thickness (Plus and Minus) Maximum Wall Thickness at any point Minimum Wall Thickness at any point
    (1)MM (2)MM (3)MM (4)MM
    0.5 0.05 0.58 0.43
    0.6 0.07 0.71 0.51
    0.8 0.07 0.91 0.71
    1.0 0.10 1.16 0.86
    1.2 0.10 1.37 1.06
    1.5 0.12 1.70 1.35
    2.0 0.15 2.23 1.82
    2.5 0.16 2.70 2.2
    3 0.20 3.25 2.64
    4 0.25 4.47 3.66
    5 0.31 5.5 4.6
    6 0.36 6.50 5.50
    8 0.39 8.50 7.50
    10 0.50 11.00 9.30
    12 0.60 13.00 11.00
    16 0.80 17.00 15.00
    20 1.00 21.00 19.00

    Weight Calculating Formula
    Tolerance
    Outer Diameter Specification Normal Reduced
    mm mm mm
    + +
    - - -
    Up to 10 0.08 0.045
    Over 10 to 18 0.10 0.045
    Over 18 to 32 0.12 0.055
    Over 32 to 50 0.15 0.070
    Over 50 to 80 0.20 -
    Over 80 to 125 0.25 -
    Over 125 to 200 0.50 -
    Over 200 to 250 0.80 -
    Over 250 to 315 1.00 -

    USA
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    Tel: +1-678-561-0131

    India
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    Gujarat.
    Tel: +91-88660-01604

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