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Tube and Pipes Manufacturing Process
Tubes | Pipes Alloy Size Range
pipes
  • Copper (ETP | DHP | DLP | DPA)
  • Cupro-Nickel(90:10 | 70:30 | 95:5)
  • Brasses (ADMIRALTY I ALUMINIUM | 63:37 | 70:30 | 85:15 | 90:10 | 95:5)
    		•
  • Outside Diameter: 3.00mm(min) - 219.00mm (max)
  • Wall Thickness: 0.30mm (min) - Subject to O.D.
  • Length: 16.50 mtr (max) in Straight Length
    100 mtr (max) in Coil Subject to O.D. & W. Thickness
    		•

    PHYSICAL PROPERTIES OF COPPER & COPPER BASED ALLOY

    Density z
    Gms/cm    		 Melting Point Coefficient of thermal expansion
    (20-300 °C)
    X10 per °C    		 Specific heat
    (at 20°C)
    Cal/gm/ °C    		 Thermal conductivity at 20°C Cal/ CM/Sec/ °C Electrical conductivity at 20°C %1ACS.
    Solidus
    Temp. °C    		 Liquidus
    Temp. °C
    Electrolytic Cu (ETP) 8.89- 8.9 1065 1083 17.7 0.092 0.934 101%
    DHP Cu 8.94 1065 1083 177.7 0.092 70-87 70-80
    DPA Cu 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

    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 D = Outside diameter
    t = Wall Thickness
    70/30 Brass &
    Ad Brass    		 (D - t)x t x 5.269 (D - t) x t x 0.0268
    Al Brass (D - t)x t x 5.149 (D - t) x t x 0.0262
    Rods Kgs. per foot (Rods) (D in inches) Kgs.per meter (Rods) (D in mm)
    Copper D2 x 1.381 D2 x 0070 D=Outside diameter
    Pb Brass D2 x 1.304 D2 x 00663
    Strips Bus Bars Kgs. per foot (Strips) Kgs.per meter (Strips)
    Copper Width x Thickness
    ---------------
             369     		Width x Thickness / 369 X 3.281

    or Width X Thickness X 0.0089
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