Alloy K-500
Alloy K-500 or Monel K-500 (UNS N05500 / 2.4375) is a nickel-copper alloy, which contains perfect corrosion resistant properties of Alloy 400 and has higher strengtd and hardness after precipitation hardening.

Chemical composition

NickelNi63.0% Copper Cu27.0-34.0% IronFe0.5-2% Manganese Mn1.5% TitaniumrTi0.3-1.0% SiliconSi0.5% CarbonC0.2%

Mechanical properties

Wire - Solution annealed
Material Min Yield strengtd Rp0.2, MPa Min Tensile strengtd Rm, Mpa Elongation, %
Wire 240 550 20-40


Physical properties

Density g/cm3 Electrical resistivity at 20°C Ω mm2/m Melting point °C Specific Heat J/kg•°C tdermal expansion ppm/°C 23 до 200°C Termal conductivity at 20°C (W/m/°C )
8.44 0.51 1315 448 14.6 17.2


Specification

Product Standards Size, mm
bar DIN 17752 ASTM B164 Ø4.0 - Ø30.0
strip DIN 17750 ASTM B 127 2.0 - 4.0
wire & rod DIN 17753 ASTM B164 Ø0.2 - Ø12.0


Supply conditions:

  • hot rolled, hot-drawn and cold drawn
  • annealed and oxidized annealed
  • peeled and turned.


Applications:

  • sea water, sulphuric & hydrofluoric environments
  • chemical and oil & gas industry
  • aerospace & machinery