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C93800 Bronze vs. 8021 Aluminum

C93800 bronze belongs to the copper alloys classification, while 8021 aluminum belongs to the aluminum alloys. There are 28 material properties with values for both materials. Properties with values for just one material (1, 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 C93800 bronze and the bottom bar is 8021 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 96
70
Elongation at Break, % 9.7
2.3
Poisson's Ratio 0.35
0.33
Shear Modulus, GPa 35
26
Tensile Strength: Ultimate (UTS), MPa 200
160
Tensile Strength: Yield (Proof), MPa 120
130

Thermal Properties

Latent Heat of Fusion, J/g 170
400
Maximum Temperature: Mechanical, °C 140
170
Melting Completion (Liquidus), °C 940
650
Melting Onset (Solidus), °C 850
640
Specific Heat Capacity, J/kg-K 340
900
Thermal Conductivity, W/m-K 52
220
Thermal Expansion, µm/m-K 19
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
56
Electrical Conductivity: Equal Weight (Specific), % IACS 11
180

Otherwise Unclassified Properties

Base Metal Price, % relative 31
9.0
Density, g/cm3 9.1
2.8
Embodied Carbon, kg CO2/kg material 3.2
8.1
Embodied Energy, MJ/kg 51
150
Embodied Water, L/kg 380
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17
3.4
Resilience: Unit (Modulus of Resilience), kJ/m3 70
130
Stiffness to Weight: Axial, points 5.9
14
Stiffness to Weight: Bending, points 17
49
Strength to Weight: Axial, points 6.1
16
Strength to Weight: Bending, points 8.4
23
Thermal Diffusivity, mm2/s 17
88
Thermal Shock Resistance, points 8.1
7.0

Alloy Composition

Aluminum (Al), % 0 to 0.0050
98 to 98.8
Antimony (Sb), % 0 to 0.8
0
Copper (Cu), % 75 to 79
0 to 0.050
Iron (Fe), % 0 to 0.15
1.2 to 1.7
Lead (Pb), % 13 to 16
0
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 0.080
0
Tin (Sn), % 6.3 to 7.5
0
Zinc (Zn), % 0 to 0.8
0
Residuals, % 0
0 to 0.15