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C67500 Bronze vs. 7175 Aluminum

C67500 bronze belongs to the copper alloys classification, while 7175 aluminum belongs to the aluminum 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 C67500 bronze and the bottom bar is 7175 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
70
Elongation at Break, % 14 to 33
3.8 to 5.9
Poisson's Ratio 0.3
0.32
Shear Modulus, GPa 40
26
Shear Strength, MPa 270 to 350
290 to 330
Tensile Strength: Ultimate (UTS), MPa 430 to 580
520 to 570
Tensile Strength: Yield (Proof), MPa 170 to 370
430 to 490

Thermal Properties

Latent Heat of Fusion, J/g 170
380
Maximum Temperature: Mechanical, °C 120
180
Melting Completion (Liquidus), °C 890
640
Melting Onset (Solidus), °C 870
480
Specific Heat Capacity, J/kg-K 390
870
Thermal Conductivity, W/m-K 110
140
Thermal Expansion, µm/m-K 21
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
33
Electrical Conductivity: Equal Weight (Specific), % IACS 27
99

Otherwise Unclassified Properties

Base Metal Price, % relative 23
10
Density, g/cm3 8.0
3.0
Embodied Carbon, kg CO2/kg material 2.8
8.2
Embodied Energy, MJ/kg 47
150
Embodied Water, L/kg 330
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 61 to 130
18 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 650
1310 to 1730
Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 20
46
Strength to Weight: Axial, points 15 to 20
48 to 52
Strength to Weight: Bending, points 16 to 19
48 to 51
Thermal Diffusivity, mm2/s 34
53
Thermal Shock Resistance, points 14 to 19
23 to 25

Alloy Composition

Aluminum (Al), % 0 to 0.25
88 to 91.4
Chromium (Cr), % 0
0.18 to 0.28
Copper (Cu), % 57 to 60
1.2 to 2.0
Iron (Fe), % 0.8 to 2.0
0 to 0.2
Lead (Pb), % 0 to 0.2
0
Magnesium (Mg), % 0
2.1 to 2.9
Manganese (Mn), % 0.050 to 0.5
0 to 0.1
Silicon (Si), % 0
0 to 0.15
Tin (Sn), % 0.5 to 1.5
0
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 35.1 to 41.7
5.1 to 6.1
Residuals, % 0
0 to 0.15