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C37100 Brass vs. EN AC-45000 Aluminum

C37100 brass belongs to the copper alloys classification, while EN AC-45000 aluminum belongs to the aluminum 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 C37100 brass and the bottom bar is EN AC-45000 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
73
Elongation at Break, % 8.0 to 40
1.1
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
27
Tensile Strength: Ultimate (UTS), MPa 370 to 520
180
Tensile Strength: Yield (Proof), MPa 150 to 390
110

Thermal Properties

Latent Heat of Fusion, J/g 170
470
Maximum Temperature: Mechanical, °C 120
180
Melting Completion (Liquidus), °C 900
640
Melting Onset (Solidus), °C 890
520
Specific Heat Capacity, J/kg-K 380
870
Thermal Conductivity, W/m-K 120
120
Thermal Expansion, µm/m-K 21
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
27
Electrical Conductivity: Equal Weight (Specific), % IACS 30
81

Otherwise Unclassified Properties

Base Metal Price, % relative 23
11
Density, g/cm3 8.0
3.0
Embodied Carbon, kg CO2/kg material 2.7
7.7
Embodied Energy, MJ/kg 45
140
Embodied Water, L/kg 320
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 120
1.7
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 750
80
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 20
47
Strength to Weight: Axial, points 13 to 18
17
Strength to Weight: Bending, points 14 to 18
24
Thermal Diffusivity, mm2/s 39
47
Thermal Shock Resistance, points 12 to 17
8.0

Alloy Composition

Aluminum (Al), % 0
82.2 to 91.8
Chromium (Cr), % 0
0 to 0.15
Copper (Cu), % 58 to 62
3.0 to 5.0
Iron (Fe), % 0 to 0.15
0 to 1.0
Lead (Pb), % 0.6 to 1.2
0 to 0.3
Magnesium (Mg), % 0
0 to 0.55
Manganese (Mn), % 0
0.2 to 0.65
Nickel (Ni), % 0
0 to 0.45
Silicon (Si), % 0
5.0 to 7.0
Tin (Sn), % 0
0 to 0.15
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 36.3 to 41.4
0 to 2.0
Residuals, % 0
0 to 0.35