Alloy L605 seals

Haynes 25/L605 is a Cobalt-Nickel-Chromium-Tungsten alloy that combines good high-temperature strength with good resistance to oxidizing environments up to 980°C (1795°F) for long exposures. Some of the industries Haynes 25/L605 is supplied to include aerospace, power generation, electronics, land-based turbines and medical.

Additional information

Product Details:

Alloy L-605 / Haynes 25 has many applications in commercial and military gas turbine engine components such as rings, blades and combustion chamber parts.

Chemical composition

The chemical composition of Haynes 25/L605 is indicated in the table below.

C: 0.05% – 0.15%

Mn: 1.0% – 2.0%

Si: 0.4% max

P: 0.04% max

S: 0.03% max

Cr: 19.0% – 21.0%

Ni: 9.0% – 11.0%

W: 14.0% – 16.0%

Fe: 3.0% max

Co: Bal

L605 features

  • Excellent resistance to sulfidation
  • High-temperature strength
  • Resistance to wear and galling
  • Excellent ductility, forming & welding characteristics

ALLOY L605 AEROSPACE APPLICATIONS

L605 has provided good service in many jet engine parts and gas turbine components such as combustion chambers and afterburners. Other aerospace applications include:

  • Turbine blades & rings
  • High-temperature ball bearings and bearing races
  • Springs
  • Heart valves

 

 

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