Precious Metals

Gold

Application & Characteristics 
Chemical equipment, space craft and jewellery.
Chemical Composition (%)
Au
Physical Properties
Melting Range (°F)1945
Density (lbs/in³) 68F0.698
Thermal Expansion (in/in °Fx10 to the power of -6)7.9
Electrical Resistivity (ohms/cir mil/ft.) 68F13.2
Mechanical Properties – Temper = A
Tensile Strength (psi x 10³)19
Elongation ( % )45
Mechanical Properties – Temper = H
Tensile Strength (psi x 10³)32
Yield Strength (psi x 10³)30
Elongation ( % )4

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