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C43400 Brass vs. A444.0 Aluminum

C43400 brass belongs to the copper alloys classification, while A444.0 aluminum belongs to the aluminum alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, 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 C43400 brass and the bottom bar is A444.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
70
Elongation at Break, % 3.0 to 49
18
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 42
26
Tensile Strength: Ultimate (UTS), MPa 310 to 690
160
Tensile Strength: Yield (Proof), MPa 110 to 560
66

Thermal Properties

Latent Heat of Fusion, J/g 190
500
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 1020
630
Melting Onset (Solidus), °C 990
590
Specific Heat Capacity, J/kg-K 380
900
Thermal Conductivity, W/m-K 140
160
Thermal Expansion, µm/m-K 19
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
41
Electrical Conductivity: Equal Weight (Specific), % IACS 32
140

Otherwise Unclassified Properties

Base Metal Price, % relative 28
9.5
Density, g/cm3 8.6
2.6
Embodied Carbon, kg CO2/kg material 2.7
7.9
Embodied Energy, MJ/kg 44
150
Embodied Water, L/kg 320
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 120
24
Resilience: Unit (Modulus of Resilience), kJ/m3 57 to 1420
31
Stiffness to Weight: Axial, points 7.2
15
Stiffness to Weight: Bending, points 19
53
Strength to Weight: Axial, points 10 to 22
17
Strength to Weight: Bending, points 12 to 20
25
Thermal Diffusivity, mm2/s 41
68
Thermal Shock Resistance, points 11 to 24
7.3

Alloy Composition

Aluminum (Al), % 0
91.6 to 93.5
Copper (Cu), % 84 to 87
0 to 0.1
Iron (Fe), % 0 to 0.050
0 to 0.2
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0
0 to 0.1
Silicon (Si), % 0
6.5 to 7.5
Tin (Sn), % 0.4 to 1.0
0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 11.4 to 15.6
0 to 0.1
Residuals, % 0
0 to 0.15