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1070 Aluminum vs. C49300 Brass

1070 aluminum belongs to the aluminum alloys classification, while C49300 brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (1, 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 1070 aluminum and the bottom bar is C49300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
100
Elongation at Break, % 4.5 to 39
4.5 to 20
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 26
40
Shear Strength, MPa 48 to 79
270 to 290
Tensile Strength: Ultimate (UTS), MPa 73 to 140
430 to 520
Tensile Strength: Yield (Proof), MPa 17 to 120
210 to 410

Thermal Properties

Latent Heat of Fusion, J/g 400
170
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 640
880
Melting Onset (Solidus), °C 640
840
Specific Heat Capacity, J/kg-K 900
380
Thermal Conductivity, W/m-K 230
88
Thermal Expansion, µm/m-K 23
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 61
15
Electrical Conductivity: Equal Weight (Specific), % IACS 200
17

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
26
Density, g/cm3 2.7
8.0
Embodied Carbon, kg CO2/kg material 8.3
3.0
Embodied Energy, MJ/kg 160
50
Embodied Water, L/kg 1200
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.8 to 21
21 to 71
Resilience: Unit (Modulus of Resilience), kJ/m3 2.1 to 110
220 to 800
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 7.5 to 14
15 to 18
Strength to Weight: Bending, points 14 to 22
16 to 18
Thermal Diffusivity, mm2/s 94
29
Thermal Shock Resistance, points 3.3 to 6.1
14 to 18

Alloy Composition

Aluminum (Al), % 99.7 to 100
0 to 0.5
Antimony (Sb), % 0
0 to 0.5
Bismuth (Bi), % 0
0.5 to 2.0
Copper (Cu), % 0 to 0.040
58 to 62
Iron (Fe), % 0 to 0.25
0 to 0.1
Lead (Pb), % 0
0 to 0.010
Magnesium (Mg), % 0 to 0.030
0
Manganese (Mn), % 0 to 0.030
0 to 0.030
Nickel (Ni), % 0
0 to 1.5
Phosphorus (P), % 0
0 to 0.2
Selenium (Se), % 0
0 to 0.2
Silicon (Si), % 0 to 0.2
0 to 0.1
Tin (Sn), % 0
1.0 to 1.8
Titanium (Ti), % 0 to 0.030
0
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.040
30.6 to 40.5
Residuals, % 0
0 to 0.5