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C26000 Brass vs. 6351 Aluminum

C26000 brass belongs to the copper alloys classification, while 6351 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, 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 C26000 brass and the bottom bar is 6351 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
69
Elongation at Break, % 2.5 to 66
7.8 to 18
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 41
26
Shear Strength, MPa 230 to 390
84 to 200
Tensile Strength: Ultimate (UTS), MPa 320 to 680
140 to 310
Tensile Strength: Yield (Proof), MPa 110 to 570
95 to 270

Thermal Properties

Latent Heat of Fusion, J/g 180
410
Maximum Temperature: Mechanical, °C 140
160
Melting Completion (Liquidus), °C 950
650
Melting Onset (Solidus), °C 920
570
Specific Heat Capacity, J/kg-K 390
900
Thermal Conductivity, W/m-K 120
180
Thermal Expansion, µm/m-K 20
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
46
Electrical Conductivity: Equal Weight (Specific), % IACS 31
150

Otherwise Unclassified Properties

Base Metal Price, % relative 25
9.5
Density, g/cm3 8.2
2.7
Embodied Carbon, kg CO2/kg material 2.7
8.3
Embodied Energy, MJ/kg 45
150
Embodied Water, L/kg 320
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.1 to 420
20 to 38
Resilience: Unit (Modulus of Resilience), kJ/m3 51 to 1490
65 to 540
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 19
50
Strength to Weight: Axial, points 11 to 23
14 to 32
Strength to Weight: Bending, points 13 to 21
22 to 38
Thermal Diffusivity, mm2/s 38
72
Thermal Shock Resistance, points 11 to 23
6.1 to 14

Alloy Composition

Aluminum (Al), % 0
96 to 98.5
Bismuth (Bi), % 0 to 0.0059
0
Copper (Cu), % 68.5 to 71.5
0 to 0.1
Iron (Fe), % 0 to 0.050
0 to 0.5
Lead (Pb), % 0 to 0.070
0
Magnesium (Mg), % 0
0.4 to 0.8
Manganese (Mn), % 0
0.4 to 0.8
Silicon (Si), % 0
0.7 to 1.3
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 28.1 to 31.5
0 to 0.2
Residuals, % 0
0 to 0.15