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EN AC-21100 Aluminum vs. C42200 Brass

EN AC-21100 aluminum belongs to the aluminum alloys classification, while C42200 brass belongs to the copper alloys. There are 28 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-21100 aluminum and the bottom bar is C42200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
110
Elongation at Break, % 6.2 to 7.3
2.0 to 46
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
42
Tensile Strength: Ultimate (UTS), MPa 340 to 350
300 to 610
Tensile Strength: Yield (Proof), MPa 210 to 240
100 to 570

Thermal Properties

Latent Heat of Fusion, J/g 390
200
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 670
1040
Melting Onset (Solidus), °C 550
1020
Specific Heat Capacity, J/kg-K 880
380
Thermal Conductivity, W/m-K 130
130
Thermal Expansion, µm/m-K 23
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
31
Electrical Conductivity: Equal Weight (Specific), % IACS 100
32

Otherwise Unclassified Properties

Base Metal Price, % relative 11
29
Density, g/cm3 3.0
8.6
Embodied Carbon, kg CO2/kg material 8.0
2.7
Embodied Energy, MJ/kg 150
44
Embodied Water, L/kg 1150
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 21
12 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 400
49 to 1460
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 46
19
Strength to Weight: Axial, points 31 to 33
9.5 to 19
Strength to Weight: Bending, points 36 to 37
11 to 18
Thermal Diffusivity, mm2/s 48
39
Thermal Shock Resistance, points 15
10 to 21

Alloy Composition

Aluminum (Al), % 93.4 to 95.7
0
Copper (Cu), % 4.2 to 5.2
86 to 89
Iron (Fe), % 0 to 0.19
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 0.55
0
Phosphorus (P), % 0
0 to 0.35
Silicon (Si), % 0 to 0.18
0
Tin (Sn), % 0
0.8 to 1.4
Titanium (Ti), % 0.15 to 0.3
0
Zinc (Zn), % 0 to 0.070
8.7 to 13.2
Residuals, % 0
0 to 0.5