MakeItFrom.com
Menu (ESC)

7049 Aluminum vs. C47000 Brass

7049 aluminum belongs to the aluminum alloys classification, while C47000 brass belongs to the copper alloys. There are 26 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 7049 aluminum and the bottom bar is C47000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
100
Elongation at Break, % 6.2 to 7.0
36
Poisson's Ratio 0.32
0.3
Shear Modulus, GPa 27
40
Tensile Strength: Ultimate (UTS), MPa 510 to 530
380
Tensile Strength: Yield (Proof), MPa 420 to 450
150

Thermal Properties

Latent Heat of Fusion, J/g 370
170
Maximum Temperature: Mechanical, °C 180
120
Melting Completion (Liquidus), °C 640
900
Melting Onset (Solidus), °C 480
890
Specific Heat Capacity, J/kg-K 860
390
Thermal Conductivity, W/m-K 130
120
Thermal Expansion, µm/m-K 23
21

Otherwise Unclassified Properties

Base Metal Price, % relative 10
23
Density, g/cm3 3.1
8.0
Embodied Carbon, kg CO2/kg material 8.1
2.7
Embodied Energy, MJ/kg 140
47
Embodied Water, L/kg 1110
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 34
110
Resilience: Unit (Modulus of Resilience), kJ/m3 1270 to 1440
100
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 45
20
Strength to Weight: Axial, points 46 to 47
13
Strength to Weight: Bending, points 46 to 47
15
Thermal Diffusivity, mm2/s 51
38
Thermal Shock Resistance, points 22 to 23
13

Alloy Composition

Aluminum (Al), % 85.7 to 89.5
0 to 0.010
Chromium (Cr), % 0.1 to 0.22
0
Copper (Cu), % 1.2 to 1.9
57 to 61
Iron (Fe), % 0 to 0.35
0
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 2.0 to 2.9
0
Manganese (Mn), % 0 to 0.2
0
Silicon (Si), % 0 to 0.25
0
Tin (Sn), % 0
0.25 to 1.0
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 7.2 to 8.2
37.5 to 42.8
Residuals, % 0
0 to 0.4