MONEL® ALLOY K-500

2.4375 / UNS N05500

A precipitation-hardenable nickel-copper alloy that combines the corrosion resistance of MONEL alloy 400 with greater strength and hardness. It also has low permeability and is nonmagnetic to temperatures as low as -150°F (-101°C). Used for pump shafts, oil-well tools and instruments, doctor blades and scrapers, springs, valve trim, fasteners, and marine propeller shafts.

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Stock program

* also precipitation treated

  • 12.0 mm
  • 16.0 mm
  • 20.0 mm
  • 25.0 mm*
  • 30.0 mm
  • 45.0 mm*
  • 50.0 mm
  • 60.0 mm
  • 70.0 mm
  • 75.0 mm*
  • 80.0 mm
  • 90.0 mm
  • 100.0 mm
  • 115.0 mm

Details at a glance

Chemical composition

Ni¹
min. 63.00 %
Cu
27.00 - 33.00 %
Al
2.30 - 3.15 %
Ti
0.35 - 0.85 %
Fe
max. 2.00 %
Mn
max. 1.50 %
Si
max. 0.50 %
C
max. 0.25 %
S
max. 0.01 %
¹ Plus Co

Density

g/cm³
8.44
lb/in³
0.305

® trademarks of the Special Metals Corporation group of companies

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