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1230A Aluminum vs. C47000 Brass

1230A aluminum belongs to the aluminum alloys classification, while C47000 brass belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, 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 1230A aluminum and the bottom bar is C47000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
100
Elongation at Break, % 4.5 to 34
36
Poisson's Ratio 0.33
0.3
Shear Modulus, GPa 26
40
Tensile Strength: Ultimate (UTS), MPa 89 to 170
380
Tensile Strength: Yield (Proof), MPa 29 to 150
150

Thermal Properties

Latent Heat of Fusion, J/g 400
170
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 640
900
Melting Onset (Solidus), °C 640
890
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 230
120
Thermal Expansion, µm/m-K 23
21

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
23
Density, g/cm3 2.7
8.0
Embodied Carbon, kg CO2/kg material 8.2
2.7
Embodied Energy, MJ/kg 150
47
Embodied Water, L/kg 1190
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.4 to 23
110
Resilience: Unit (Modulus of Resilience), kJ/m3 5.9 to 150
100
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 50
20
Strength to Weight: Axial, points 9.1 to 17
13
Strength to Weight: Bending, points 16 to 25
15
Thermal Diffusivity, mm2/s 93
38
Thermal Shock Resistance, points 4.0 to 7.6
13

Alloy Composition

Aluminum (Al), % 99.3 to 100
0 to 0.010
Copper (Cu), % 0 to 0.1
57 to 61
Iron (Fe), % 0 to 0.7
0
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.050
0
Silicon (Si), % 0 to 0.7
0
Tin (Sn), % 0
0.25 to 1.0
Zinc (Zn), % 0 to 0.050
37.5 to 42.8
Residuals, % 0
0 to 0.4