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EN AC-44300 Aluminum vs. C99700 Brass

EN AC-44300 aluminum belongs to the aluminum alloys classification, while C99700 brass belongs to the copper alloys. There are 26 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-44300 aluminum and the bottom bar is C99700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
120
Elongation at Break, % 1.1
25
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
46
Tensile Strength: Ultimate (UTS), MPa 270
380
Tensile Strength: Yield (Proof), MPa 150
170

Thermal Properties

Latent Heat of Fusion, J/g 570
200
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 590
900
Melting Onset (Solidus), °C 580
880
Specific Heat Capacity, J/kg-K 900
410
Thermal Expansion, µm/m-K 21
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 120
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
25
Density, g/cm3 2.5
8.1
Embodied Carbon, kg CO2/kg material 7.7
3.3
Embodied Energy, MJ/kg 140
53
Embodied Water, L/kg 1050
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6
78
Resilience: Unit (Modulus of Resilience), kJ/m3 150
120
Stiffness to Weight: Axial, points 16
8.3
Stiffness to Weight: Bending, points 55
20
Strength to Weight: Axial, points 29
13
Strength to Weight: Bending, points 36
14
Thermal Shock Resistance, points 13
11

Alloy Composition

Aluminum (Al), % 84.3 to 89.5
0.5 to 3.0
Copper (Cu), % 0 to 0.1
54 to 65.5
Iron (Fe), % 0 to 1.0
0 to 1.0
Lead (Pb), % 0
0 to 2.0
Manganese (Mn), % 0 to 0.55
11 to 15
Nickel (Ni), % 0
4.0 to 6.0
Silicon (Si), % 10.5 to 13.5
0
Tin (Sn), % 0
0 to 1.0
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.15
19 to 25
Residuals, % 0
0 to 0.3