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C91700 Bronze vs. 1050 Aluminum

C91700 bronze belongs to the copper alloys classification, while 1050 aluminum belongs to the aluminum alloys. There are 28 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 C91700 bronze and the bottom bar is 1050 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
68
Elongation at Break, % 13
4.6 to 37
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 41
26
Tensile Strength: Ultimate (UTS), MPa 330
76 to 140
Tensile Strength: Yield (Proof), MPa 170
25 to 120

Thermal Properties

Latent Heat of Fusion, J/g 190
400
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 1020
640
Melting Onset (Solidus), °C 850
650
Specific Heat Capacity, J/kg-K 370
900
Thermal Conductivity, W/m-K 71
230
Thermal Expansion, µm/m-K 18
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
61
Electrical Conductivity: Equal Weight (Specific), % IACS 10
200

Otherwise Unclassified Properties

Base Metal Price, % relative 36
9.5
Density, g/cm3 8.7
2.7
Embodied Carbon, kg CO2/kg material 3.9
8.3
Embodied Energy, MJ/kg 63
160
Embodied Water, L/kg 400
1200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 35
5.4 to 22
Resilience: Unit (Modulus of Resilience), kJ/m3 140
4.6 to 110
Stiffness to Weight: Axial, points 6.9
14
Stiffness to Weight: Bending, points 18
50
Strength to Weight: Axial, points 11
7.8 to 14
Strength to Weight: Bending, points 12
15 to 22
Thermal Diffusivity, mm2/s 22
94
Thermal Shock Resistance, points 12
3.4 to 6.2

Alloy Composition

Aluminum (Al), % 0 to 0.0050
99.5 to 100
Antimony (Sb), % 0 to 0.2
0
Copper (Cu), % 84.2 to 87.5
0 to 0.050
Iron (Fe), % 0 to 0.2
0 to 0.4
Lead (Pb), % 0 to 0.25
0
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0
0 to 0.050
Nickel (Ni), % 1.2 to 2.0
0
Phosphorus (P), % 0 to 0.3
0
Silicon (Si), % 0 to 0.0050
0 to 0.25
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 11.3 to 12.5
0
Titanium (Ti), % 0
0 to 0.030
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 0 to 0.25
0 to 0.050