A Nickel-Copper alloy with high strength and excellent corrosion
resistance in a range of acidic and alkaline environments and especially suitable for reducing conditions. It also has good ductility and thermal conductivity.

Applications include:

  • Marine Engineering
  • Chemical Processing
  • Hydro-carbon Processing
  • Heat Exchangers
  • Valves
  • Pumps

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Approximate Chemical Composition
Ni 63% min
Cu 28-34%
Fe 2.5% max
Mn 2% max
DENSITY 8.8 g/cm3 0.318 lb/in3
MELTING POINT 1350oC 2460oF
COEFFICIENT OF EXPANSION 13.9 µm/m °C
( 20 - 100°C)
7.7 x 10-6 in/in °F
( 70 - 212°F)
MODULUS OF RIGIDITY 65.3 kN/mm2 9471 ksi
MODULUS OF ELASTICITY 173 kN/mm2 25092 ksi
 
CONDITION OF SUPPLY HEAT TREATMENT (AFTER FORMING)
Annealed/Spring Temper Stress relieve at 300 - 320oC (570 - 610oF) for 30-60 minutes and air cool.
 
CONDITION  

APPROX TENSILE STRENGTH

 

APPROX SERVICE TEMPERATURE

Annealed 400-600 N/mm2 58-87 ksi -200o to +230oC -330o to +445oF
Spring Temper 850-1050 N/mm2 123-152 ksi -200o to +230oC -330o to +445oF
 
STANDARDS
BS 3075 & 3076 NA 13 DTD 204B ASTM B164
 


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