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EN AC-45100 Aluminum vs. C69300 Brass

EN AC-45100 aluminum belongs to the aluminum alloys classification, while C69300 brass belongs to the copper alloys. There are 28 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-45100 aluminum and the bottom bar is C69300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
110
Elongation at Break, % 1.0 to 2.8
8.5 to 15
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
41
Tensile Strength: Ultimate (UTS), MPa 300 to 360
550 to 630
Tensile Strength: Yield (Proof), MPa 210 to 320
300 to 390

Thermal Properties

Latent Heat of Fusion, J/g 470
240
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 630
880
Melting Onset (Solidus), °C 550
860
Specific Heat Capacity, J/kg-K 890
400
Thermal Conductivity, W/m-K 140
38
Thermal Expansion, µm/m-K 22
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 95
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 10
26
Density, g/cm3 2.8
8.2
Embodied Carbon, kg CO2/kg material 7.9
2.7
Embodied Energy, MJ/kg 150
45
Embodied Water, L/kg 1100
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.5 to 7.6
47 to 70
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 710
400 to 700
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 49
19
Strength to Weight: Axial, points 30 to 35
19 to 21
Strength to Weight: Bending, points 35 to 39
18 to 20
Thermal Diffusivity, mm2/s 54
12
Thermal Shock Resistance, points 14 to 16
19 to 22

Alloy Composition

Aluminum (Al), % 88 to 92.8
0
Copper (Cu), % 2.6 to 3.6
73 to 77
Iron (Fe), % 0 to 0.6
0 to 0.1
Lead (Pb), % 0 to 0.1
0 to 0.090
Magnesium (Mg), % 0.15 to 0.45
0
Manganese (Mn), % 0 to 0.55
0 to 0.1
Nickel (Ni), % 0 to 0.1
0 to 0.1
Phosphorus (P), % 0
0.040 to 0.15
Silicon (Si), % 4.5 to 6.0
2.7 to 3.4
Tin (Sn), % 0 to 0.050
0 to 0.2
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.2
18.4 to 24.3
Residuals, % 0
0 to 0.5