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CC760S Brass vs. 1230A Aluminum

CC760S brass belongs to the copper alloys classification, while 1230A aluminum belongs to the aluminum alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, 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 CC760S brass and the bottom bar is 1230A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
69
Elongation at Break, % 22
4.5 to 34
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 42
26
Tensile Strength: Ultimate (UTS), MPa 180
89 to 170
Tensile Strength: Yield (Proof), MPa 80
29 to 150

Thermal Properties

Latent Heat of Fusion, J/g 190
400
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 1000
640
Melting Onset (Solidus), °C 940
640
Specific Heat Capacity, J/kg-K 390
900
Thermal Conductivity, W/m-K 150
230
Thermal Expansion, µm/m-K 19
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
60
Electrical Conductivity: Equal Weight (Specific), % IACS 40
200

Otherwise Unclassified Properties

Base Metal Price, % relative 28
9.0
Density, g/cm3 8.6
2.7
Embodied Carbon, kg CO2/kg material 2.6
8.2
Embodied Energy, MJ/kg 43
150
Embodied Water, L/kg 320
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33
6.4 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 29
5.9 to 150
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 19
50
Strength to Weight: Axial, points 5.8
9.1 to 17
Strength to Weight: Bending, points 8.2
16 to 25
Thermal Diffusivity, mm2/s 45
93
Thermal Shock Resistance, points 6.2
4.0 to 7.6

Alloy Composition

Aluminum (Al), % 0 to 0.010
99.3 to 100
Arsenic (As), % 0.050 to 0.15
0
Copper (Cu), % 83 to 88
0 to 0.1
Iron (Fe), % 0 to 0.15
0 to 0.7
Lead (Pb), % 0 to 0.5
0
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0 to 0.1
0 to 0.050
Nickel (Ni), % 0 to 0.1
0
Silicon (Si), % 0 to 0.020
0 to 0.7
Tin (Sn), % 0 to 0.3
0
Zinc (Zn), % 10.7 to 17
0 to 0.050