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EN AC-21100 Aluminum vs. C48600 Brass

EN AC-21100 aluminum belongs to the aluminum alloys classification, while C48600 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-21100 aluminum and the bottom bar is C48600 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
100
Elongation at Break, % 6.2 to 7.3
20 to 25
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 27
39
Tensile Strength: Ultimate (UTS), MPa 340 to 350
280 to 360
Tensile Strength: Yield (Proof), MPa 210 to 240
110 to 170

Thermal Properties

Latent Heat of Fusion, J/g 390
170
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 670
900
Melting Onset (Solidus), °C 550
890
Specific Heat Capacity, J/kg-K 880
380
Thermal Conductivity, W/m-K 130
110
Thermal Expansion, µm/m-K 23
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
25
Electrical Conductivity: Equal Weight (Specific), % IACS 100
28

Otherwise Unclassified Properties

Base Metal Price, % relative 11
24
Density, g/cm3 3.0
8.1
Embodied Carbon, kg CO2/kg material 8.0
2.8
Embodied Energy, MJ/kg 150
47
Embodied Water, L/kg 1150
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 21
55 to 59
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 400
61 to 140
Stiffness to Weight: Axial, points 13
7.1
Stiffness to Weight: Bending, points 46
19
Strength to Weight: Axial, points 31 to 33
9.5 to 12
Strength to Weight: Bending, points 36 to 37
12 to 14
Thermal Diffusivity, mm2/s 48
36
Thermal Shock Resistance, points 15
9.3 to 12

Alloy Composition


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Aluminum (Al), % 93.4 to 95.7
0
Arsenic (As), % 0
0.020 to 0.25
Copper (Cu), % 4.2 to 5.2
59 to 62
Iron (Fe), % 0 to 0.19
0
Lead (Pb), % 0
1.0 to 2.5
Manganese (Mn), % 0 to 0.55
0
Silicon (Si), % 0 to 0.18
0
Tin (Sn), % 0
0.3 to 1.5
Titanium (Ti), % 0.15 to 0.3
0
Zinc (Zn), % 0 to 0.070
33.4 to 39.7
Residuals, % 0 to 0.1
0 to 0.4