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Formula: Ni 58/Cr 19/Co 14/Mo/Ti/Al/Fe
Form: Disk
Material: Nickel/Chromium/Cobalt (Waspaloy®)
Commodity: Alloys
Waspaloy® Disk is a circular blank of the same nickel-base superalloy for fixtures, seals, shims, and heat shields that sit directly in hot-gas paths. The shape simplifies positioning around bolts, shafts, and housings, and it spreads clamp forces evenly to protect adjacent components from hot spots and edge damage. Builders of turbine hardware, test rigs, and high-temperature instrumentation use Waspaloy disks as thrust washers, seal faces, rigid masks, and pressure spreading plates that withstand oxidation and hold form through thermal cycling. The alloy’s age-hardenable nature supports parts that retain strength near red-hot regions without the creep and relaxation seen in ordinary stainless or low-alloy steels. In both labs and production, the disk format enables clean, repeatable assemblies, mates well with ceramics and advanced insulators, and stands up to maintenance, bake-outs, and handling. For engineers seeking compact, long-life thermal hardware, Waspaloy disks offer durable performance in a tidy, easy-to-specify geometry.

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Serious health hazard

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Tolerances

Disc
Thickness >0.05mm ±10%
Thickness <0.01mm ±25%
Thickness 0.01mm - 0.05mm ±15%

Material Properties for Alloys

Mechanical Properties
Element Value
Elongation at break( % ) <33
Modulus of elasticity( GPa ) 221
Izod impact strength( J m⁻¹ ) 42-100
Tensile strength( MPa ) 550-1210
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 120-130
Thermal Properties
Element Value
Melting point( C ) 1340-1390
Thermal conductivity( W m⁻¹ K⁻¹ ) 10.7@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 11.7@20-100°C
Physical Properties
Element Value
Density( gcm⁻³ ) 8.18

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