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EN AC-46400 Aluminum vs. C37100 Brass

EN AC-46400 aluminum belongs to the aluminum alloys classification, while C37100 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 EN AC-46400 aluminum and the bottom bar is C37100 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
100
Elongation at Break, % 1.1 to 1.7
8.0 to 40
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 27
40
Tensile Strength: Ultimate (UTS), MPa 170 to 310
370 to 520
Tensile Strength: Yield (Proof), MPa 110 to 270
150 to 390

Thermal Properties

Latent Heat of Fusion, J/g 520
170
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 610
900
Melting Onset (Solidus), °C 570
890
Specific Heat Capacity, J/kg-K 890
380
Thermal Conductivity, W/m-K 130
120
Thermal Expansion, µm/m-K 22
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
27
Electrical Conductivity: Equal Weight (Specific), % IACS 110
30

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
23
Density, g/cm3 2.7
8.0
Embodied Carbon, kg CO2/kg material 7.8
2.7
Embodied Energy, MJ/kg 150
45
Embodied Water, L/kg 1070
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.7 to 4.9
38 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 82 to 500
110 to 750
Stiffness to Weight: Axial, points 15
7.2
Stiffness to Weight: Bending, points 52
20
Strength to Weight: Axial, points 18 to 32
13 to 18
Strength to Weight: Bending, points 26 to 38
14 to 18
Thermal Diffusivity, mm2/s 55
39
Thermal Shock Resistance, points 7.8 to 14
12 to 17

Alloy Composition

Aluminum (Al), % 85.4 to 90.5
0
Copper (Cu), % 0.8 to 1.3
58 to 62
Iron (Fe), % 0 to 0.8
0 to 0.15
Lead (Pb), % 0 to 0.1
0.6 to 1.2
Magnesium (Mg), % 0.25 to 0.65
0
Manganese (Mn), % 0.15 to 0.55
0
Nickel (Ni), % 0 to 0.2
0
Silicon (Si), % 8.3 to 9.7
0
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.8
36.3 to 41.4
Residuals, % 0
0 to 0.4