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C69300 Brass vs. 6151 Aluminum

C69300 brass belongs to the copper alloys classification, while 6151 aluminum belongs to the aluminum 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 C69300 brass and the bottom bar is 6151 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
69
Elongation at Break, % 8.5 to 15
1.1 to 5.7
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 41
26
Shear Strength, MPa 330 to 370
190 to 200
Tensile Strength: Ultimate (UTS), MPa 550 to 630
330 to 340
Tensile Strength: Yield (Proof), MPa 300 to 390
270 to 280

Thermal Properties

Latent Heat of Fusion, J/g 240
410
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 880
650
Melting Onset (Solidus), °C 860
590
Specific Heat Capacity, J/kg-K 400
900
Thermal Conductivity, W/m-K 38
170
Thermal Expansion, µm/m-K 19
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
45
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
150

Otherwise Unclassified Properties

Base Metal Price, % relative 26
9.5
Density, g/cm3 8.2
2.7
Embodied Carbon, kg CO2/kg material 2.7
8.2
Embodied Energy, MJ/kg 45
150
Embodied Water, L/kg 310
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 47 to 70
3.5 to 18
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 700
520 to 580
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
50
Strength to Weight: Axial, points 19 to 21
34
Strength to Weight: Bending, points 18 to 20
39
Thermal Diffusivity, mm2/s 12
70
Thermal Shock Resistance, points 19 to 22
15

Alloy Composition

Aluminum (Al), % 0
95.6 to 98.8
Chromium (Cr), % 0
0.15 to 0.35
Copper (Cu), % 73 to 77
0 to 0.35
Iron (Fe), % 0 to 0.1
0 to 1.0
Lead (Pb), % 0 to 0.090
0
Magnesium (Mg), % 0
0.45 to 0.8
Manganese (Mn), % 0 to 0.1
0 to 0.2
Nickel (Ni), % 0 to 0.1
0
Phosphorus (P), % 0.040 to 0.15
0
Silicon (Si), % 2.7 to 3.4
0.6 to 1.2
Tin (Sn), % 0 to 0.2
0
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 18.4 to 24.3
0 to 0.25
Residuals, % 0
0 to 0.15