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C69700 Brass vs. EN AC-21200 Aluminum

C69700 brass belongs to the copper alloys classification, while EN AC-21200 aluminum belongs to the aluminum 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 C69700 brass and the bottom bar is EN AC-21200 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
71
Elongation at Break, % 25
3.9 to 6.2
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 41
27
Tensile Strength: Ultimate (UTS), MPa 470
410 to 440
Tensile Strength: Yield (Proof), MPa 230
270 to 360

Thermal Properties

Latent Heat of Fusion, J/g 240
390
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 930
660
Melting Onset (Solidus), °C 880
550
Specific Heat Capacity, J/kg-K 400
880
Thermal Conductivity, W/m-K 43
130
Thermal Expansion, µm/m-K 19
23

Otherwise Unclassified Properties

Base Metal Price, % relative 26
10
Density, g/cm3 8.3
3.0
Embodied Carbon, kg CO2/kg material 2.7
8.0
Embodied Energy, MJ/kg 44
150
Embodied Water, L/kg 310
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
16 to 22
Resilience: Unit (Modulus of Resilience), kJ/m3 250
500 to 930
Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 19
46
Strength to Weight: Axial, points 16
38 to 40
Strength to Weight: Bending, points 16
41 to 43
Thermal Diffusivity, mm2/s 13
49
Thermal Shock Resistance, points 16
18 to 19

Alloy Composition

Aluminum (Al), % 0
93.3 to 95.7
Copper (Cu), % 75 to 80
4.0 to 5.0
Iron (Fe), % 0 to 0.2
0 to 0.2
Lead (Pb), % 0.5 to 1.5
0 to 0.030
Magnesium (Mg), % 0
0.15 to 0.5
Manganese (Mn), % 0 to 0.4
0.2 to 0.5
Nickel (Ni), % 0
0 to 0.050
Silicon (Si), % 2.5 to 3.5
0 to 0.1
Tin (Sn), % 0
0 to 0.030
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 13.9 to 22
0 to 0.1
Residuals, % 0
0 to 0.1