Nickel strengthened with an addition of Manganese.
 
 

Applications include:

  • Electrical Lead Wires
  • Supporting Components in Lamps and Cathode Ray Tubes
  • Electrodes in Glow-discharge Lamps
  • Sparking Contacts
     
Approximate Chemical Composition
Ni 97% min
Mn 1.5 - 2.5%
DENSITY 8.86 g/cm3 0.320 lb/in3
MELTING POINT 1446oC 2635oF
COEFFICIENT OF EXPANSION 12.9 µm/m °C
( 20 - 100°C)
7.2 x 10-6 in/in °F
( 70 - 212°F)
MODULUS OF RIGIDITY 78 kN/m2 11313 ksi
MODULUS OF ELASTICITY 196 kN/m2 28400 ksi
 

ELECTRICAL RESISTIVITY

10.9 μW • cm 66 ohm • circ mil/ft

THERMAL CONDUCTIVITY

44 W/m oC 305 btu • in/ft2 • h • oF
 
CONDITION  

APPROX TENSILE STRENGTH

 

APPROX SERVICE TEMPERATURE

Annealed 450-550 N/mm2 65 - 80 ksi Tensile strength and elongation drop significantly at temperatures above 315°C (600°F). Service temperature is dependent on environment, load and size range.
Hard Drawn 750-950 N/mm2 109 - 138 ksi
 
STANDARDS
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