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C37100 Brass vs. EN AC-45300 Aluminum

C37100 brass belongs to the copper alloys classification, while EN AC-45300 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-45300 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
71
Elongation at Break, % 8.0 to 40
1.0 to 2.8
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
27
Tensile Strength: Ultimate (UTS), MPa 370 to 520
220 to 290
Tensile Strength: Yield (Proof), MPa 150 to 390
150 to 230

Thermal Properties

Latent Heat of Fusion, J/g 170
470
Maximum Temperature: Mechanical, °C 120
170
Melting Completion (Liquidus), °C 900
630
Melting Onset (Solidus), °C 890
590
Specific Heat Capacity, J/kg-K 380
890
Thermal Conductivity, W/m-K 120
150
Thermal Expansion, µm/m-K 21
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
36
Electrical Conductivity: Equal Weight (Specific), % IACS 30
120

Otherwise Unclassified Properties

Base Metal Price, % relative 23
9.5
Density, g/cm3 8.0
2.7
Embodied Carbon, kg CO2/kg material 2.7
8.0
Embodied Energy, MJ/kg 45
150
Embodied Water, L/kg 320
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 120
2.7 to 5.6
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 750
160 to 390
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 20
50
Strength to Weight: Axial, points 13 to 18
23 to 29
Strength to Weight: Bending, points 14 to 18
30 to 35
Thermal Diffusivity, mm2/s 39
60
Thermal Shock Resistance, points 12 to 17
10 to 13

Alloy Composition

Aluminum (Al), % 0
90.2 to 94.2
Copper (Cu), % 58 to 62
1.0 to 1.5
Iron (Fe), % 0 to 0.15
0 to 0.65
Lead (Pb), % 0.6 to 1.2
0 to 0.15
Magnesium (Mg), % 0
0.35 to 0.65
Manganese (Mn), % 0
0 to 0.55
Nickel (Ni), % 0
0 to 0.25
Silicon (Si), % 0
4.5 to 5.5
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 36.3 to 41.4
0 to 0.15
Residuals, % 0
0 to 0.15