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3004 Aluminum vs. C99750 Brass

3004 aluminum belongs to the aluminum alloys classification, while C99750 brass belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (6, 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 3004 aluminum and the bottom bar is C99750 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 45 to 83
110 to 120
Elastic (Young's, Tensile) Modulus, GPa 70
130
Elongation at Break, % 1.1 to 19
20 to 30
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
48
Tensile Strength: Ultimate (UTS), MPa 170 to 310
450 to 520
Tensile Strength: Yield (Proof), MPa 68 to 270
220 to 280

Thermal Properties

Latent Heat of Fusion, J/g 400
200
Maximum Temperature: Mechanical, °C 180
160
Melting Completion (Liquidus), °C 650
840
Melting Onset (Solidus), °C 630
820
Specific Heat Capacity, J/kg-K 900
410
Thermal Expansion, µm/m-K 24
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 140
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
23
Density, g/cm3 2.8
8.1
Embodied Carbon, kg CO2/kg material 8.3
3.1
Embodied Energy, MJ/kg 150
51
Embodied Water, L/kg 1180
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.2 to 27
87 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 33 to 540
190 to 300
Stiffness to Weight: Axial, points 14
8.6
Stiffness to Weight: Bending, points 50
21
Strength to Weight: Axial, points 18 to 31
15 to 18
Strength to Weight: Bending, points 25 to 37
16 to 18
Thermal Shock Resistance, points 7.6 to 13
13 to 15

Alloy Composition

Aluminum (Al), % 95.6 to 98.2
0.25 to 3.0
Copper (Cu), % 0 to 0.25
55 to 61
Iron (Fe), % 0 to 0.7
0 to 1.0
Lead (Pb), % 0
0.5 to 2.5
Magnesium (Mg), % 0.8 to 1.3
0
Manganese (Mn), % 1.0 to 1.5
17 to 23
Nickel (Ni), % 0
0 to 5.0
Silicon (Si), % 0 to 0.3
0
Zinc (Zn), % 0 to 0.25
17 to 23
Residuals, % 0
0 to 0.3