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ASTM B541 Gold vs. C17300 Copper

ASTM B541 gold belongs to the otherwise unclassified metals classification, while C17300 copper belongs to the copper alloys. There are 22 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is ASTM B541 gold and the bottom bar is C17300 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 6.0 to 14
3.0 to 23
Poisson's Ratio 0.4
0.33
Shear Modulus, GPa 38
45
Shear Strength, MPa 410 to 690
320 to 790
Tensile Strength: Ultimate (UTS), MPa 670 to 1180
500 to 1380
Tensile Strength: Yield (Proof), MPa 480 to 900
160 to 1200

Thermal Properties

Latent Heat of Fusion, J/g 90
230
Melting Completion (Liquidus), °C 1110
980
Melting Onset (Solidus), °C 930
870
Specific Heat Capacity, J/kg-K 170
380
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7 to 12
22
Electrical Conductivity: Equal Weight (Specific), % IACS 4.0 to 6.2
23

Otherwise Unclassified Properties

Density, g/cm3 17
8.8

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65 to 91
40 to 88
Resilience: Unit (Modulus of Resilience), kJ/m3 1090 to 3830
110 to 5410
Stiffness to Weight: Axial, points 3.4
7.6
Stiffness to Weight: Bending, points 9.0
19
Strength to Weight: Axial, points 11 to 19
16 to 44
Strength to Weight: Bending, points 9.8 to 14
16 to 31
Thermal Shock Resistance, points 36 to 63
17 to 48

Alloy Composition

Aluminum (Al), % 0
0 to 0.2
Beryllium (Be), % 0
1.8 to 2.0
Copper (Cu), % 13.5 to 15.5
95.5 to 97.8
Gold (Au), % 70.5 to 72.5
0
Iron (Fe), % 0
0 to 0.4
Lead (Pb), % 0
0.2 to 0.6
Nickel (Ni), % 0
0.2 to 0.6
Platinum (Pt), % 8.0 to 9.0
0
Silicon (Si), % 0
0 to 0.2
Silver (Ag), % 4.0 to 5.0
0
Zinc (Zn), % 0.7 to 1.3
0
Residuals, % 0
0 to 0.5