MakeItFrom.com
Menu (ESC)

C47940 Brass vs. 3004 Aluminum

C47940 brass belongs to the copper alloys classification, while 3004 aluminum belongs to the aluminum alloys. There are 27 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 C47940 brass and the bottom bar is 3004 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
70
Elongation at Break, % 14 to 34
1.1 to 19
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
26
Shear Strength, MPa 250 to 310
100 to 180
Tensile Strength: Ultimate (UTS), MPa 380 to 520
170 to 310
Tensile Strength: Yield (Proof), MPa 160 to 390
68 to 270

Thermal Properties

Latent Heat of Fusion, J/g 170
400
Maximum Temperature: Mechanical, °C 130
180
Melting Completion (Liquidus), °C 850
650
Melting Onset (Solidus), °C 800
630
Specific Heat Capacity, J/kg-K 380
900
Thermal Conductivity, W/m-K 110
160
Thermal Expansion, µm/m-K 20
24

Otherwise Unclassified Properties

Base Metal Price, % relative 25
9.5
Density, g/cm3 8.2
2.8
Embodied Carbon, kg CO2/kg material 2.8
8.3
Embodied Energy, MJ/kg 47
150
Embodied Water, L/kg 330
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 68 to 100
3.2 to 27
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 740
33 to 540
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
50
Strength to Weight: Axial, points 13 to 17
18 to 31
Strength to Weight: Bending, points 14 to 17
25 to 37
Thermal Diffusivity, mm2/s 36
65
Thermal Shock Resistance, points 13 to 17
7.6 to 13

Alloy Composition

Aluminum (Al), % 0
95.6 to 98.2
Copper (Cu), % 63 to 66
0 to 0.25
Iron (Fe), % 0.1 to 1.0
0 to 0.7
Lead (Pb), % 1.0 to 2.0
0
Magnesium (Mg), % 0
0.8 to 1.3
Manganese (Mn), % 0
1.0 to 1.5
Nickel (Ni), % 0.1 to 0.5
0
Silicon (Si), % 0
0 to 0.3
Tin (Sn), % 1.2 to 2.0
0
Zinc (Zn), % 28.1 to 34.6
0 to 0.25
Residuals, % 0
0 to 0.15