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C69400 Brass vs. EN AC-47100 Aluminum

C69400 brass belongs to the copper alloys classification, while EN AC-47100 aluminum belongs to the aluminum alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, 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 C69400 brass and the bottom bar is EN AC-47100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
73
Elongation at Break, % 17
1.1
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 42
27
Tensile Strength: Ultimate (UTS), MPa 570
270
Tensile Strength: Yield (Proof), MPa 270
160

Thermal Properties

Latent Heat of Fusion, J/g 260
570
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 920
590
Melting Onset (Solidus), °C 820
560
Specific Heat Capacity, J/kg-K 410
890
Thermal Conductivity, W/m-K 26
130
Thermal Expansion, µm/m-K 18
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.2
30
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
100

Otherwise Unclassified Properties

Base Metal Price, % relative 27
9.5
Density, g/cm3 8.3
2.6
Embodied Carbon, kg CO2/kg material 2.7
7.6
Embodied Energy, MJ/kg 44
140
Embodied Water, L/kg 300
1030

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
2.6
Resilience: Unit (Modulus of Resilience), kJ/m3 340
170
Stiffness to Weight: Axial, points 7.4
15
Stiffness to Weight: Bending, points 19
53
Strength to Weight: Axial, points 19
28
Strength to Weight: Bending, points 18
35
Thermal Diffusivity, mm2/s 7.7
54
Thermal Shock Resistance, points 20
12

Alloy Composition

Aluminum (Al), % 0
81.4 to 88.8
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 80 to 83
0.7 to 1.2
Iron (Fe), % 0 to 0.2
0 to 1.3
Lead (Pb), % 0 to 0.3
0 to 0.2
Magnesium (Mg), % 0
0 to 0.35
Manganese (Mn), % 0
0 to 0.55
Nickel (Ni), % 0
0 to 0.3
Silicon (Si), % 3.5 to 4.5
10.5 to 13.5
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 11.5 to 16.5
0 to 0.55
Residuals, % 0
0 to 0.25