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C86700 Bronze vs. EN AC-42100 Aluminum

C86700 bronze belongs to the copper alloys classification, while EN AC-42100 aluminum belongs to the aluminum alloys. There are 28 material properties with values for both materials. Properties with values for just one material (2, 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 C86700 bronze and the bottom bar is EN AC-42100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
70
Elongation at Break, % 17
3.4 to 9.0
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 41
26
Tensile Strength: Ultimate (UTS), MPa 630
280 to 290
Tensile Strength: Yield (Proof), MPa 250
210 to 230

Thermal Properties

Latent Heat of Fusion, J/g 180
500
Maximum Temperature: Mechanical, °C 130
170
Melting Completion (Liquidus), °C 880
610
Melting Onset (Solidus), °C 860
600
Specific Heat Capacity, J/kg-K 400
910
Thermal Conductivity, W/m-K 89
150
Thermal Expansion, µm/m-K 20
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
41
Electrical Conductivity: Equal Weight (Specific), % IACS 19
140

Otherwise Unclassified Properties

Base Metal Price, % relative 23
9.5
Density, g/cm3 7.9
2.6
Embodied Carbon, kg CO2/kg material 2.9
8.0
Embodied Energy, MJ/kg 49
150
Embodied Water, L/kg 340
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
9.1 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 290
300 to 370
Stiffness to Weight: Axial, points 7.5
15
Stiffness to Weight: Bending, points 20
53
Strength to Weight: Axial, points 22
30 to 31
Strength to Weight: Bending, points 21
37 to 38
Thermal Diffusivity, mm2/s 28
66
Thermal Shock Resistance, points 21
13

Alloy Composition

Aluminum (Al), % 1.0 to 3.0
91.3 to 93.3
Copper (Cu), % 55 to 60
0 to 0.050
Iron (Fe), % 1.0 to 3.0
0 to 0.19
Lead (Pb), % 0.5 to 1.5
0
Magnesium (Mg), % 0
0.25 to 0.45
Manganese (Mn), % 1.0 to 3.5
0 to 0.1
Nickel (Ni), % 0 to 1.0
0
Silicon (Si), % 0
6.5 to 7.5
Tin (Sn), % 0 to 1.5
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 30 to 38
0 to 0.070
Residuals, % 0
0 to 0.1