Beryllium Copper 21C UNS C82510 Casting Alloy Cast and Aged

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Beryllium Copper 21C UNS C82510 Casting Alloy Cast and Aged
Categories:	Metal; Nonferrous Metal; Copper Alloy; Copper Casting Alloy
Material Notes:	The 1% Co content is a good grain refiner, and as a result, this alloy is used instead of beryllium-copper alloys C82500 and C23400 when thin sections must be cast at high temperatures or when thick and thin sections are present within the same casting in order to achieve a uniform fine-grained structure. The higher cobalt content imparts better wear resistance but less desirable polishability and machinability. Typical uses are comparable to those of beryllium-copper alloys C82500 and C23400. Test specimen: cast and aged 3 hours at 345°C.
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Available Properties

Density
Hardness, Rockwell C
Tensile Strength, Ultimate
Tensile Strength, Yield
Elongation at Break, in 50 mm
Modulus of Elasticity
Poissons Ratio
Machinability, UNS C36000 (free-cutting brass) = 100%
Shear Modulus
Electrical Resistivity, 20% IACS, as-cast tempers
Magnetic Permeability
CTE, linear
Specific Heat Capacity
Thermal Conductivity
Melting Point, Incipient
Melting Point
Solidus
Liquidus
Solution Temperature
Aging Temperature
Casting Temperature, Heavy castings
Casting Temperature, Light castings
Aluminum, Al
Beryllium, Be
Chromium, Cr
Cobalt, Co
Copper, Cu
Iron, Fe
Lead, Pb
Nickel, Ni
Silicon, Si
Tin, Sn
Zinc, Zn

Property Data

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