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7475 Aluminum vs. C62400 Bronze

7475 aluminum belongs to the aluminum alloys classification, while C62400 bronze belongs to the copper alloys. There are 29 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 7475 aluminum and the bottom bar is C62400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 10 to 12
11 to 14
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 26
42
Shear Strength, MPa 320 to 350
420 to 440
Tensile Strength: Ultimate (UTS), MPa 530 to 590
690 to 730
Tensile Strength: Yield (Proof), MPa 440 to 520
270 to 350

Thermal Properties

Latent Heat of Fusion, J/g 380
230
Maximum Temperature: Mechanical, °C 180
220
Melting Completion (Liquidus), °C 640
1040
Melting Onset (Solidus), °C 480
1030
Specific Heat Capacity, J/kg-K 870
440
Thermal Conductivity, W/m-K 140 to 160
59
Thermal Expansion, µm/m-K 23
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33 to 42
12
Electrical Conductivity: Equal Weight (Specific), % IACS 98 to 120
13

Otherwise Unclassified Properties

Base Metal Price, % relative 10
27
Density, g/cm3 3.0
8.2
Embodied Carbon, kg CO2/kg material 8.2
3.2
Embodied Energy, MJ/kg 150
53
Embodied Water, L/kg 1130
400

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 53 to 68
68 to 77
Resilience: Unit (Modulus of Resilience), kJ/m3 1390 to 1920
320 to 550
Stiffness to Weight: Axial, points 13
7.6
Stiffness to Weight: Bending, points 46
20
Strength to Weight: Axial, points 49 to 55
23 to 25
Strength to Weight: Bending, points 48 to 52
21 to 22
Thermal Diffusivity, mm2/s 53 to 63
16
Thermal Shock Resistance, points 23 to 26
25 to 26

Alloy Composition

Aluminum (Al), % 88.6 to 91.6
10 to 11.5
Chromium (Cr), % 0.18 to 0.25
0
Copper (Cu), % 1.2 to 1.9
82.8 to 88
Iron (Fe), % 0 to 0.12
2.0 to 4.5
Magnesium (Mg), % 1.9 to 2.6
0
Manganese (Mn), % 0 to 0.060
0 to 0.3
Silicon (Si), % 0 to 0.1
0 to 0.25
Tin (Sn), % 0
0 to 0.2
Titanium (Ti), % 0 to 0.060
0
Zinc (Zn), % 5.1 to 6.2
0
Residuals, % 0
0 to 0.5