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C52400 Bronze vs. ASTM B596 Au-Cu

C52400 bronze belongs to the copper alloys classification, while ASTM B596 Au-Cu belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is C52400 bronze and the bottom bar is ASTM B596 Au-Cu.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Poisson's Ratio 0.34
0.41
Shear Modulus, GPa 41
36
Tensile Strength: Ultimate (UTS), MPa 450 to 880
450 to 620

Thermal Properties

Latent Heat of Fusion, J/g 190
77
Melting Completion (Liquidus), °C 1000
1060
Melting Onset (Solidus), °C 840
930
Specific Heat Capacity, J/kg-K 370
150
Thermal Expansion, µm/m-K 18
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
14
Electrical Conductivity: Equal Weight (Specific), % IACS 11
6.7

Otherwise Unclassified Properties

Density, g/cm3 8.8
18

Common Calculations

Stiffness to Weight: Axial, points 6.9
3.1
Stiffness to Weight: Bending, points 18
8.5
Strength to Weight: Axial, points 14 to 28
6.8 to 9.4
Strength to Weight: Bending, points 15 to 23
7.1 to 8.8
Thermal Shock Resistance, points 17 to 32
22 to 30

Alloy Composition

Copper (Cu), % 87.8 to 91
9.0 to 11
Gold (Au), % 0
89 to 91
Iron (Fe), % 0 to 0.1
0
Lead (Pb), % 0 to 0.050
0
Phosphorus (P), % 0.030 to 0.35
0
Tin (Sn), % 9.0 to 11
0
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0
0 to 0.4