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Heat-exchanging tubes
a) Cupro Nickel
b) Admiralty Brass
c) Aluminum Brass
 
Copper Anodes
 
Heat-Exchanging Tubes  
  a) Cupro Nickel  
  Manufacturing range:
Outer Diameter - 10mm
Wall thickness - 0.5mm to any thickness
 
     
 
Material 90/10 Cupro Nickel 70/30 Cupro Nickel
Nominal Composition (%) Cu – Remainder
Ni - 9.0 - 11.0
Fe - 1.0 Max
Mn - 1.0 Max
Cu - Remainder
Ni - 29.0 - 33.0
Fe - 0.40 - 1.0 Max
Mn - 1.0 Max
Condition Tensile Strength(Kg/mm2) Elongation 5.65 SO min. Hardness Hv.
O M
30.6 43.9Mi.
38.8  
30 -
100 Max 130 Min
O M
37.7 51.0Mi.
45.9  
30 -
110 Max 140 Min
 
     
  Area of Application:
Copper and copper alloy tubes are mainly used in Heat Exchangers for low pressure applications in power plants such as
Condensers
Turbine Oil Coolers
Generator Air Coolers
 
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