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EN AC-44300 Aluminum vs. C99400 Brass

EN AC-44300 aluminum belongs to the aluminum alloys classification, while C99400 brass belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (6, 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-44300 aluminum and the bottom bar is C99400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
120
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 27
44
Tensile Strength: Ultimate (UTS), MPa 270
460 to 550
Tensile Strength: Yield (Proof), MPa 150
230 to 370

Thermal Properties

Latent Heat of Fusion, J/g 570
230
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 590
1070
Melting Onset (Solidus), °C 580
1020
Specific Heat Capacity, J/kg-K 900
400
Thermal Expansion, µm/m-K 21
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
17
Electrical Conductivity: Equal Weight (Specific), % IACS 120
17

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
30
Density, g/cm3 2.5
8.7
Embodied Carbon, kg CO2/kg material 7.7
2.8
Embodied Energy, MJ/kg 140
45
Embodied Water, L/kg 1050
310

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 150
230 to 590
Stiffness to Weight: Axial, points 16
7.5
Stiffness to Weight: Bending, points 55
19
Strength to Weight: Axial, points 29
15 to 17
Strength to Weight: Bending, points 36
15 to 17
Thermal Shock Resistance, points 13
16 to 19

Alloy Composition

Aluminum (Al), % 84.3 to 89.5
0.5 to 2.0
Copper (Cu), % 0 to 0.1
83.5 to 96.5
Iron (Fe), % 0 to 1.0
1.0 to 3.0
Lead (Pb), % 0
0 to 0.25
Manganese (Mn), % 0 to 0.55
0 to 0.5
Nickel (Ni), % 0
1.0 to 3.5
Silicon (Si), % 10.5 to 13.5
0.5 to 2.0
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.15
0.5 to 5.0
Residuals, % 0
0 to 0.3