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EN AC-45300 Aluminum vs. C87800 Brass

EN AC-45300 aluminum belongs to the aluminum alloys classification, while C87800 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-45300 aluminum and the bottom bar is C87800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
110
Elongation at Break, % 1.0 to 2.8
25
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
42
Tensile Strength: Ultimate (UTS), MPa 220 to 290
590
Tensile Strength: Yield (Proof), MPa 150 to 230
350

Thermal Properties

Latent Heat of Fusion, J/g 470
260
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 630
920
Melting Onset (Solidus), °C 590
820
Specific Heat Capacity, J/kg-K 890
410
Thermal Conductivity, W/m-K 150
28
Thermal Expansion, µm/m-K 22
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 120
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
27
Density, g/cm3 2.7
8.3
Embodied Carbon, kg CO2/kg material 8.0
2.7
Embodied Energy, MJ/kg 150
44
Embodied Water, L/kg 1120
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.7 to 5.6
130
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 390
540
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 23 to 29
20
Strength to Weight: Bending, points 30 to 35
19
Thermal Diffusivity, mm2/s 60
8.3
Thermal Shock Resistance, points 10 to 13
21

Alloy Composition

Aluminum (Al), % 90.2 to 94.2
0 to 0.15
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.050
Copper (Cu), % 1.0 to 1.5
80 to 84.2
Iron (Fe), % 0 to 0.65
0 to 0.15
Lead (Pb), % 0 to 0.15
0 to 0.15
Magnesium (Mg), % 0.35 to 0.65
0 to 0.010
Manganese (Mn), % 0 to 0.55
0 to 0.15
Nickel (Ni), % 0 to 0.25
0 to 0.2
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 4.5 to 5.5
3.8 to 4.2
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0 to 0.050
0 to 0.25
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.15
12 to 16
Residuals, % 0
0 to 0.5