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C94100 Bronze vs. ASTM B541 Gold

C94100 bronze belongs to the copper alloys classification, while ASTM B541 gold belongs to the otherwise unclassified metals. There are 21 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 C94100 bronze and the bottom bar is ASTM B541 gold.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 92
110
Elongation at Break, % 7.8
6.0 to 14
Poisson's Ratio 0.36
0.4
Shear Modulus, GPa 34
38
Tensile Strength: Ultimate (UTS), MPa 190
670 to 1180
Tensile Strength: Yield (Proof), MPa 130
480 to 900

Thermal Properties

Latent Heat of Fusion, J/g 160
90
Melting Completion (Liquidus), °C 870
1110
Melting Onset (Solidus), °C 790
930
Specific Heat Capacity, J/kg-K 330
170
Thermal Expansion, µm/m-K 20
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
7.7 to 12
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
4.0 to 6.2

Otherwise Unclassified Properties

Density, g/cm3 9.2
17

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 14
65 to 91
Resilience: Unit (Modulus of Resilience), kJ/m3 97
1090 to 3830
Stiffness to Weight: Axial, points 5.5
3.4
Stiffness to Weight: Bending, points 16
9.0
Strength to Weight: Axial, points 5.8
11 to 19
Strength to Weight: Bending, points 8.1
9.8 to 14
Thermal Shock Resistance, points 7.6
36 to 63

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.8
0
Copper (Cu), % 72 to 79
13.5 to 15.5
Gold (Au), % 0
70.5 to 72.5
Iron (Fe), % 0 to 0.25
0
Lead (Pb), % 18 to 22
0
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 1.5
0
Platinum (Pt), % 0
8.0 to 9.0
Silicon (Si), % 0 to 0.0050
0
Silver (Ag), % 0
4.0 to 5.0
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 4.5 to 6.5
0
Zinc (Zn), % 0 to 1.0
0.7 to 1.3
Residuals, % 0
0 to 0.4