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EN AC-51500 Aluminum vs. C38000 Brass

EN AC-51500 aluminum belongs to the aluminum alloys classification, while C38000 brass belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, 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-51500 aluminum and the bottom bar is C38000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
100
Elongation at Break, % 5.6
17
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 26
39
Tensile Strength: Ultimate (UTS), MPa 280
380
Tensile Strength: Yield (Proof), MPa 160
120

Thermal Properties

Latent Heat of Fusion, J/g 430
170
Maximum Temperature: Mechanical, °C 170
110
Melting Completion (Liquidus), °C 630
800
Melting Onset (Solidus), °C 590
760
Specific Heat Capacity, J/kg-K 910
380
Thermal Conductivity, W/m-K 120
110
Thermal Expansion, µm/m-K 23
21

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
22
Density, g/cm3 2.6
8.0
Embodied Carbon, kg CO2/kg material 9.0
2.7
Embodied Energy, MJ/kg 150
46
Embodied Water, L/kg 1150
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13
50
Resilience: Unit (Modulus of Resilience), kJ/m3 190
74
Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 52
19
Strength to Weight: Axial, points 29
13
Strength to Weight: Bending, points 36
14
Thermal Diffusivity, mm2/s 49
37
Thermal Shock Resistance, points 13
13

Alloy Composition

Aluminum (Al), % 89.8 to 93.1
0 to 0.5
Copper (Cu), % 0 to 0.050
55 to 60
Iron (Fe), % 0 to 0.25
0 to 0.35
Lead (Pb), % 0
1.5 to 2.5
Magnesium (Mg), % 4.7 to 6.0
0
Manganese (Mn), % 0.4 to 0.8
0
Silicon (Si), % 1.8 to 2.6
0
Tin (Sn), % 0
0 to 0.3
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.070
35.9 to 43.5
Residuals, % 0
0 to 0.5