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C87900 Brass vs. 6101B Aluminum

C87900 brass belongs to the copper alloys classification, while 6101B aluminum belongs to the aluminum alloys. There are 28 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 C87900 brass and the bottom bar is 6101B aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
68
Elongation at Break, % 25
9.1 to 13
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 41
26
Tensile Strength: Ultimate (UTS), MPa 480
190 to 250
Tensile Strength: Yield (Proof), MPa 240
140 to 180

Thermal Properties

Latent Heat of Fusion, J/g 190
400
Maximum Temperature: Mechanical, °C 130
160
Melting Completion (Liquidus), °C 930
640
Melting Onset (Solidus), °C 900
630
Specific Heat Capacity, J/kg-K 390
900
Thermal Conductivity, W/m-K 120
210
Thermal Expansion, µm/m-K 20
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
57
Electrical Conductivity: Equal Weight (Specific), % IACS 17
190

Otherwise Unclassified Properties

Base Metal Price, % relative 24
9.5
Density, g/cm3 8.1
2.7
Embodied Carbon, kg CO2/kg material 2.7
8.3
Embodied Energy, MJ/kg 46
150
Embodied Water, L/kg 320
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
20 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 270
140 to 240
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 20
50
Strength to Weight: Axial, points 17
20 to 25
Strength to Weight: Bending, points 17
27 to 32
Thermal Diffusivity, mm2/s 37
87
Thermal Shock Resistance, points 16
8.5 to 11

Alloy Composition


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Aluminum (Al), % 0 to 0.15
98.2 to 99.3
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.050
0
Copper (Cu), % 63 to 69.2
0 to 0.050
Iron (Fe), % 0 to 0.4
0.1 to 0.3
Lead (Pb), % 0 to 0.25
0
Magnesium (Mg), % 0
0.35 to 0.6
Manganese (Mn), % 0 to 0.15
0 to 0.050
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0.8 to 1.2
0.3 to 0.6
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 0 to 0.25
0
Zinc (Zn), % 30 to 36
0 to 0.1
Residuals, % 0
0 to 0.1