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Pure Gold

General Alloy Overview

ASTM

B562

Application Examples

Radiopaque fiducial markers; Fuel level sensor contacts

Industry Examples

Medical, Automotive

Tempers

Cold Worked

Availible Forms

–

Constant (Temper - Independent) Properties

ParameterValue
Melting Temperature, °F (°C)1947 (1064)
Density, dwt/in3 (g/cm3)203.4 (19.3)
Electrical Resistivity, µΩ-cmf (µΩ-cm)12.4 (2.06)
Electrical Conductivity, %IACS83.7
Temperature Coefficent of Resistance, /°F (/K)0.0021 (0.003715)
Thermal Conductivity, Btu/hr-ft-°F (W/m-K)190 (329)
Coefficient of Thermal Expansion, /°F (/K)7.8E-06 (1.4E-05)
Thermal EMF vs. Pt, µV/°F (µV/°C)4.4 (8.0)
ParameterValue
Specific Heat Capacity, Btu/lb-°F (J/g-K)0.031 (0.129)
Elastic Modulus, Msi (GPa)11.3 (78.0)
Shear Modulus Msi (GPa)3.92 (27.0)
Poisson's Ratio0.44
Single phase/multiphaseSingle Phase
Lattice parameter4.08
Emissivity0.3

Cold Worked Properties

ParameterValue
0.2% Offset Yield Strength, ksi (MPa)36 (250)
Ultimate Tensile Strength, ksi (MPa)38 (260)
Elongation to Failure, %2
ParameterValue
Knoop Microhardness, HK10075
Vickers Microhardness, HV10065

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