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B390.0 Aluminum vs. C43400 Brass

B390.0 aluminum belongs to the aluminum alloys classification, while C43400 brass belongs to the copper 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 B390.0 aluminum and the bottom bar is C43400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 76
110
Elongation at Break, % 0.88
3.0 to 49
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 29
42
Tensile Strength: Ultimate (UTS), MPa 320
310 to 690
Tensile Strength: Yield (Proof), MPa 250
110 to 560

Thermal Properties

Latent Heat of Fusion, J/g 640
190
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 580
1020
Melting Onset (Solidus), °C 580
990
Specific Heat Capacity, J/kg-K 880
380
Thermal Conductivity, W/m-K 130
140
Thermal Expansion, µm/m-K 20
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
31
Electrical Conductivity: Equal Weight (Specific), % IACS 88
32

Otherwise Unclassified Properties

Base Metal Price, % relative 11
28
Density, g/cm3 2.8
8.6
Embodied Carbon, kg CO2/kg material 7.3
2.7
Embodied Energy, MJ/kg 130
44
Embodied Water, L/kg 940
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6
19 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 410
57 to 1420
Stiffness to Weight: Axial, points 15
7.2
Stiffness to Weight: Bending, points 51
19
Strength to Weight: Axial, points 32
10 to 22
Strength to Weight: Bending, points 38
12 to 20
Thermal Diffusivity, mm2/s 55
41
Thermal Shock Resistance, points 15
11 to 24

Alloy Composition

Aluminum (Al), % 72.7 to 79.6
0
Copper (Cu), % 4.0 to 5.0
84 to 87
Iron (Fe), % 0 to 1.3
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0.45 to 0.65
0
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.1
0
Silicon (Si), % 16 to 18
0
Tin (Sn), % 0
0.4 to 1.0
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 1.5
11.4 to 15.6
Residuals, % 0
0 to 0.5