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EN AC-45400 Aluminum vs. C49300 Brass

EN AC-45400 aluminum belongs to the aluminum alloys classification, while C49300 brass belongs to the copper 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 EN AC-45400 aluminum and the bottom bar is C49300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
100
Elongation at Break, % 6.7
4.5 to 20
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 27
40
Tensile Strength: Ultimate (UTS), MPa 260
430 to 520
Tensile Strength: Yield (Proof), MPa 130
210 to 410

Thermal Properties

Latent Heat of Fusion, J/g 470
170
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 630
880
Melting Onset (Solidus), °C 560
840
Specific Heat Capacity, J/kg-K 880
380
Thermal Conductivity, W/m-K 140
88
Thermal Expansion, µm/m-K 22
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
15
Electrical Conductivity: Equal Weight (Specific), % IACS 95
17

Otherwise Unclassified Properties

Base Metal Price, % relative 10
26
Density, g/cm3 2.8
8.0
Embodied Carbon, kg CO2/kg material 7.8
3.0
Embodied Energy, MJ/kg 150
50
Embodied Water, L/kg 1100
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 14
21 to 71
Resilience: Unit (Modulus of Resilience), kJ/m3 110
220 to 800
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 49
19
Strength to Weight: Axial, points 25
15 to 18
Strength to Weight: Bending, points 32
16 to 18
Thermal Diffusivity, mm2/s 54
29
Thermal Shock Resistance, points 12
14 to 18

Alloy Composition

Aluminum (Al), % 88.4 to 92.9
0 to 0.5
Antimony (Sb), % 0
0 to 0.5
Bismuth (Bi), % 0
0.5 to 2.0
Copper (Cu), % 2.6 to 3.6
58 to 62
Iron (Fe), % 0 to 0.6
0 to 0.1
Lead (Pb), % 0 to 0.1
0 to 0.010
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.55
0 to 0.030
Nickel (Ni), % 0 to 0.1
0 to 1.5
Phosphorus (P), % 0
0 to 0.2
Selenium (Se), % 0
0 to 0.2
Silicon (Si), % 4.5 to 6.0
0 to 0.1
Tin (Sn), % 0 to 0.050
1.0 to 1.8
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.2
30.6 to 40.5
Residuals, % 0
0 to 0.5