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ASTM B541 Gold vs. C96600 Copper

ASTM B541 gold belongs to the otherwise unclassified metals classification, while C96600 copper belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is ASTM B541 gold and the bottom bar is C96600 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
140
Elongation at Break, % 6.0 to 14
7.0
Poisson's Ratio 0.4
0.33
Shear Modulus, GPa 38
52
Tensile Strength: Ultimate (UTS), MPa 670 to 1180
760
Tensile Strength: Yield (Proof), MPa 480 to 900
480

Thermal Properties

Latent Heat of Fusion, J/g 90
240
Melting Completion (Liquidus), °C 1110
1180
Melting Onset (Solidus), °C 930
1100
Specific Heat Capacity, J/kg-K 170
400
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7 to 12
4.0
Electrical Conductivity: Equal Weight (Specific), % IACS 4.0 to 6.2
4.1

Otherwise Unclassified Properties

Density, g/cm3 17
8.9

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65 to 91
47
Resilience: Unit (Modulus of Resilience), kJ/m3 1090 to 3830
830
Stiffness to Weight: Axial, points 3.4
8.7
Stiffness to Weight: Bending, points 9.0
20
Strength to Weight: Axial, points 11 to 19
24
Strength to Weight: Bending, points 9.8 to 14
21
Thermal Shock Resistance, points 36 to 63
25

Alloy Composition

Beryllium (Be), % 0
0.4 to 0.7
Copper (Cu), % 13.5 to 15.5
63.5 to 69.8
Gold (Au), % 70.5 to 72.5
0
Iron (Fe), % 0
0.8 to 1.1
Lead (Pb), % 0
0 to 0.010
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
29 to 33
Platinum (Pt), % 8.0 to 9.0
0
Silicon (Si), % 0
0 to 0.15
Silver (Ag), % 4.0 to 5.0
0
Zinc (Zn), % 0.7 to 1.3
0
Residuals, % 0
0 to 0.5