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6070 Aluminum vs. C69300 Brass

6070 aluminum belongs to the aluminum alloys classification, while C69300 brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, 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 6070 aluminum and the bottom bar is C69300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 5.6 to 8.6
8.5 to 15
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
41
Shear Strength, MPa 220 to 240
330 to 370
Tensile Strength: Ultimate (UTS), MPa 370 to 380
550 to 630
Tensile Strength: Yield (Proof), MPa 350
300 to 390

Thermal Properties

Latent Heat of Fusion, J/g 410
240
Maximum Temperature: Mechanical, °C 160
160
Melting Completion (Liquidus), °C 650
880
Melting Onset (Solidus), °C 570
860
Specific Heat Capacity, J/kg-K 900
400
Thermal Conductivity, W/m-K 160
38
Thermal Expansion, µm/m-K 23
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 140
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
26
Density, g/cm3 2.7
8.2
Embodied Carbon, kg CO2/kg material 8.3
2.7
Embodied Energy, MJ/kg 150
45
Embodied Water, L/kg 1170
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20 to 32
47 to 70
Resilience: Unit (Modulus of Resilience), kJ/m3 880 to 900
400 to 700
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 38
19 to 21
Strength to Weight: Bending, points 42 to 43
18 to 20
Thermal Diffusivity, mm2/s 65
12
Thermal Shock Resistance, points 16 to 17
19 to 22

Alloy Composition

Aluminum (Al), % 94.6 to 98
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0.15 to 0.4
73 to 77
Iron (Fe), % 0 to 0.5
0 to 0.1
Lead (Pb), % 0
0 to 0.090
Magnesium (Mg), % 0.5 to 1.2
0
Manganese (Mn), % 0.4 to 1.0
0 to 0.1
Nickel (Ni), % 0
0 to 0.1
Phosphorus (P), % 0
0.040 to 0.15
Silicon (Si), % 1.0 to 1.7
2.7 to 3.4
Tin (Sn), % 0
0 to 0.2
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.25
18.4 to 24.3
Residuals, % 0
0 to 0.5