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B390.0 Aluminum vs. C61900 Bronze

B390.0 aluminum belongs to the aluminum alloys classification, while C61900 bronze belongs to the copper 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 B390.0 aluminum and the bottom bar is C61900 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 76
110
Elongation at Break, % 0.88
21 to 32
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 29
43
Tensile Strength: Ultimate (UTS), MPa 320
570 to 650
Tensile Strength: Yield (Proof), MPa 250
230 to 310

Thermal Properties

Latent Heat of Fusion, J/g 640
230
Maximum Temperature: Mechanical, °C 170
220
Melting Completion (Liquidus), °C 580
1050
Melting Onset (Solidus), °C 580
1040
Specific Heat Capacity, J/kg-K 880
440
Thermal Conductivity, W/m-K 130
79
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
11
Electrical Conductivity: Equal Weight (Specific), % IACS 88
11

Otherwise Unclassified Properties

Base Metal Price, % relative 11
28
Density, g/cm3 2.8
8.3
Embodied Carbon, kg CO2/kg material 7.3
3.1
Embodied Energy, MJ/kg 130
51
Embodied Water, L/kg 940
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6
110 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 410
230 to 430
Stiffness to Weight: Axial, points 15
7.6
Stiffness to Weight: Bending, points 51
19
Strength to Weight: Axial, points 32
19 to 22
Strength to Weight: Bending, points 38
18 to 20
Thermal Diffusivity, mm2/s 55
22
Thermal Shock Resistance, points 15
20 to 23

Alloy Composition

Aluminum (Al), % 72.7 to 79.6
8.5 to 10
Copper (Cu), % 4.0 to 5.0
83.6 to 88.5
Iron (Fe), % 0 to 1.3
3.0 to 4.5
Lead (Pb), % 0
0 to 0.020
Magnesium (Mg), % 0.45 to 0.65
0
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.1
0
Silicon (Si), % 16 to 18
0
Tin (Sn), % 0
0 to 0.6
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 1.5
0 to 0.8
Residuals, % 0
0 to 0.5