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C92200 Bronze vs. 7129 Aluminum

C92200 bronze belongs to the copper alloys classification, while 7129 Aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, 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 C92200 bronze and the bottom bar is 7129 Aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
69
Elongation at Break, % 25
9.0 to 9.1
Fatigue Strength, MPa 76
150 to 190
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 41
26
Tensile Strength: Ultimate (UTS), MPa 280
430
Tensile Strength: Yield (Proof), MPa 140
380 to 390

Thermal Properties

Latent Heat of Fusion, J/g 190
380
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 990
630
Melting Onset (Solidus), °C 830
510
Specific Heat Capacity, J/kg-K 370
880
Thermal Conductivity, W/m-K 70
150
Thermal Expansion, µm/m-K 19
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
40
Electrical Conductivity: Equal Weight (Specific), % IACS 14
120

Otherwise Unclassified Properties

Base Metal Price, % relative 32
9.5
Density, g/cm3 8.7
2.9
Embodied Carbon, kg CO2/kg material 3.2
8.3
Embodied Energy, MJ/kg 52
150
Embodied Water, L/kg 360
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 58
37 to 38
Resilience: Unit (Modulus of Resilience), kJ/m3 87
1050 to 1090
Stiffness to Weight: Axial, points 6.9
13
Stiffness to Weight: Bending, points 18
47
Strength to Weight: Axial, points 8.9
41
Strength to Weight: Bending, points 11
43 to 44
Thermal Diffusivity, mm2/s 21
58
Thermal Shock Resistance, points 9.9
19

Alloy Composition

Aluminum (Al), % 0 to 0.0050
91 to 94
Antimony (Sb), % 0 to 0.25
0
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 86 to 90
0.5 to 0.9
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 0 to 0.25
0 to 0.3
Lead (Pb), % 1.0 to 2.0
0
Magnesium (Mg), % 0
1.3 to 2.0
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 1.5
0
Silicon (Si), % 0 to 0.0050
0 to 0.15
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 5.5 to 6.5
0
Titanium (Ti), % 0
0 to 0.050
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 3.0 to 5.0
4.2 to 5.2
Residuals, % 0
0 to 0.15