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CC751S Brass vs. 1080A Aluminum

CC751S brass belongs to the copper alloys classification, while 1080A aluminum belongs to the aluminum alloys. There are 29 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 CC751S brass and the bottom bar is 1080A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
18 to 40
Elastic (Young's, Tensile) Modulus, GPa 110
68
Elongation at Break, % 5.6
2.3 to 34
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
26
Tensile Strength: Ultimate (UTS), MPa 450
74 to 140
Tensile Strength: Yield (Proof), MPa 320
17 to 120

Thermal Properties

Latent Heat of Fusion, J/g 190
400
Maximum Temperature: Mechanical, °C 130
170
Melting Completion (Liquidus), °C 850
640
Melting Onset (Solidus), °C 810
640
Specific Heat Capacity, J/kg-K 390
900
Thermal Conductivity, W/m-K 110
230
Thermal Expansion, µm/m-K 20
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
62
Electrical Conductivity: Equal Weight (Specific), % IACS 28
200

Otherwise Unclassified Properties

Base Metal Price, % relative 24
9.5
Density, g/cm3 8.1
2.7
Embodied Carbon, kg CO2/kg material 2.8
8.3
Embodied Energy, MJ/kg 46
160
Embodied Water, L/kg 330
1200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 23
3.1 to 19
Resilience: Unit (Modulus of Resilience), kJ/m3 480
2.1 to 100
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 19
50
Strength to Weight: Axial, points 15
7.6 to 15
Strength to Weight: Bending, points 16
14 to 22
Thermal Diffusivity, mm2/s 35
94
Thermal Shock Resistance, points 15
3.3 to 6.4

Alloy Composition

Aluminum (Al), % 0 to 0.1
99.8 to 100
Antimony (Sb), % 0 to 0.5
0
Copper (Cu), % 62.7 to 66
0 to 0.030
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 0.25 to 0.5
0 to 0.15
Lead (Pb), % 0.8 to 2.2
0
Magnesium (Mg), % 0
0 to 0.020
Manganese (Mn), % 0 to 0.15
0 to 0.020
Nickel (Ni), % 0 to 0.8
0
Silicon (Si), % 0.65 to 1.1
0 to 0.15
Tin (Sn), % 0 to 0.8
0
Titanium (Ti), % 0
0 to 0.020
Zinc (Zn), % 27.9 to 35.6
0 to 0.060