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C41300 Brass vs. 7204 Aluminum

C41300 brass belongs to the copper alloys classification, while 7204 aluminum belongs to the aluminum alloys. There are 29 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 C41300 brass and the bottom bar is 7204 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
70
Elongation at Break, % 2.0 to 44
11 to 13
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 42
26
Shear Strength, MPa 230 to 370
130 to 220
Tensile Strength: Ultimate (UTS), MPa 300 to 630
220 to 380
Tensile Strength: Yield (Proof), MPa 120 to 570
120 to 310

Thermal Properties

Latent Heat of Fusion, J/g 200
380
Maximum Temperature: Mechanical, °C 180
210
Melting Completion (Liquidus), °C 1040
640
Melting Onset (Solidus), °C 1010
520
Specific Heat Capacity, J/kg-K 380
880
Thermal Conductivity, W/m-K 130
150
Thermal Expansion, µm/m-K 18
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
39
Electrical Conductivity: Equal Weight (Specific), % IACS 31
120

Otherwise Unclassified Properties

Base Metal Price, % relative 29
9.5
Density, g/cm3 8.7
2.9
Embodied Carbon, kg CO2/kg material 2.7
8.4
Embodied Energy, MJ/kg 44
150
Embodied Water, L/kg 320
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11 to 110
25 to 40
Resilience: Unit (Modulus of Resilience), kJ/m3 69 to 1440
110 to 710
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
47
Strength to Weight: Axial, points 9.6 to 20
21 to 36
Strength to Weight: Bending, points 11 to 19
28 to 40
Thermal Diffusivity, mm2/s 40
58
Thermal Shock Resistance, points 11 to 22
9.4 to 16

Alloy Composition


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Aluminum (Al), % 0
90.5 to 94.8
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 89 to 93
0 to 0.2
Iron (Fe), % 0 to 0.050
0 to 0.35
Lead (Pb), % 0 to 0.1
0
Magnesium (Mg), % 0
1.0 to 2.0
Manganese (Mn), % 0
0.2 to 0.7
Silicon (Si), % 0
0 to 0.3
Tin (Sn), % 0.7 to 1.3
0
Titanium (Ti), % 0
0 to 0.2
Vanadium (V), % 0
0 to 0.1
Zinc (Zn), % 5.1 to 10.3
4.0 to 5.0
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0 to 0.5
0 to 0.15