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Sterling Silver Alloy Disk (Ag92.5/Cu7.5)

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Composition: Ag 92.5/Cu 7.5 Form: Disk Material: Silver/Copper (Sterling Silver) Commodity: Precious Metals Temper: As Rolled Thickness: 0.5mm
Sterling Silver Disk (Ag92.5/Cu7.5) provides excellent electrical conductivity, high reflectivity, and enhanced mechanical strength in a compact circular form. The addition of copper increases hardness while preserving silver’s desirable optical and electrical characteristics. Industries such as jewelry, electronics, and optics employ these disks in decorative applications, electrical contact materials, and precision reflectors. Specific uses include sensor electrodes, conductive pads, and spectroscopic mirrors requiring high polish and stable performance. Research applications include studies on tarnish resistance, precipitation hardening, and the development of advanced silver alloys with improved durability. The disk form ensures geometric consistency, making it valuable for rotational and planar integration in scientific devices. Its unique combination of functional beauty, conductivity, and adaptability ensures enduring relevance in both industrial manufacturing and experimental research.
Starting at $157.00 each
No Minimum order Free technical support *Free delivery worldwide

Material Properties

Mechanical Properties
Element Value
Elongation at break( % ) <41
Hardness - Vickers( kgf mm⁻² ) 71
Tensile strength( MPa ) 207
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 1.8
Temperature coefficient( K⁻¹ ) -
Thermal Properties
Element Value
Melting point( C ) 788-891
Specific heat( J K⁻¹ kg⁻¹ ) 245@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 19@20-100°C
Physical Properties
Element Value
Density( gcm⁻³ ) 10.4
each

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Available Configurations

Properties common to all products in this list

Composition: Ag 92.5/Cu 7.5 Form: Disc Material: Silver/Copper (Sterling Silver) Commodity: Precious Metals Temper: As Rolled Thickness: 0.5mm

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Tolerances

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