Alloy K500

Fully certified material, additional testing available UK, US and European origin unless otherwise stated.

  • BS 3076-89 NA18
  • UNS N05500
  • ASTM B865-04
  • QQN-286
  • NACE MR0175/ISO 15156-3:2003

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Alloy K500 is a nickel-copper alloy, precipitation hardenable through additions of aluminum and titanium. This alloy shows the corrosion resistant characteristics of grades such as Alloy 400 but with enhanced strength and hardness after precipitation hardening. However, it can be further strengthened by cold working before the precipitation hardening.

We supply Alloy K500 material in both the Cold worked and Hot Worked and Aged condition to offer the best combination of excellent mechanical properties from sub-zero temperatures up to about 480°C, together with very good corrosion resistance in both marine and chemical environments.

These properties, plus the fact that it is non-magnetic, make it eminently suitable for use as propeller and pump shafts, and pumps and valves components used in the manufacture of perchlorethylene, chlorinated plastics, and in marine applications where high strength and corrosion resistance are required.

K500 Chemical Composition

NiAlCFeMnSiTiSCu
Min 63.02.30----0.35-27.00
Max-3.150.182.01.50.500.850.01033.00

K500 Mechanical Properties

Hot Worked, Solution Treated and Precipitation Treated

SizeTensile Strength Yield Strength (0.2% offset) Elongation in 2″ or 4DHardness
Ksi minMPa minKsi minMpa min% minHB (3000 Kg) minHRC min
<25.4 mm100895906202025024
>25.4 mm100895855852025024

Hot Worked and Precipitation Treated

SizeTensile StrengthYield Strength (0.2% offset) Elongation in 2″ or 4DHardness
Ksi minMpa minKsi minMpa min% minHB (3000 kg) minHRC min
All sizes1409651006902026527

Cold Worked & Precipitation Treated

SizeTensile Strength Yield Strength (0.2% offset) Elongation in 2" or 4D
Hardness
Ksi minMpa minKsi minMpa min% minHB (3000 kg) minHRC min
6.4 - 25.4 mm14510001107601530032
25.4 - 76.2 mm1409651006901728029
76.2 - 101.6 mm135930956552025525

For more technical information download our K500 information sheet here


Applications:

  • Marine and chemical environments
  • Propeller and pump shafts
  • Valve components
  • Manufacture of perchloroethylene & chlorinated plastics

 

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