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C94700 Bronze vs. ASTM B541 Gold

C94700 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 (9, in this case) are not shown.

For each property being compared, the top bar is C94700 bronze and the bottom bar is ASTM B541 gold.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 7.9 to 32
6.0 to 14
Poisson's Ratio 0.34
0.4
Shear Modulus, GPa 43
38
Tensile Strength: Ultimate (UTS), MPa 350 to 590
670 to 1180
Tensile Strength: Yield (Proof), MPa 160 to 400
480 to 900

Thermal Properties

Latent Heat of Fusion, J/g 200
90
Melting Completion (Liquidus), °C 1030
1110
Melting Onset (Solidus), °C 900
930
Specific Heat Capacity, J/kg-K 380
170
Thermal Expansion, µm/m-K 17
13

Electrical Properties

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

Otherwise Unclassified Properties

Density, g/cm3 8.8
17

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41 to 89
65 to 91
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 700
1090 to 3830
Stiffness to Weight: Axial, points 7.3
3.4
Stiffness to Weight: Bending, points 18
9.0
Strength to Weight: Axial, points 11 to 19
11 to 19
Strength to Weight: Bending, points 13 to 18
9.8 to 14
Thermal Shock Resistance, points 12 to 21
36 to 63

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.15
0
Copper (Cu), % 85 to 90
13.5 to 15.5
Gold (Au), % 0
70.5 to 72.5
Iron (Fe), % 0 to 0.25
0
Lead (Pb), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.2
0
Nickel (Ni), % 4.5 to 6.0
0
Phosphorus (P), % 0 to 0.050
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 0.050
0
Tin (Sn), % 4.5 to 6.0
0
Zinc (Zn), % 1.0 to 2.5
0.7 to 1.3
Residuals, % 0
0 to 0.4