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C87900 Brass vs. 1200 Aluminum

C87900 brass belongs to the copper alloys classification, while 1200 aluminum belongs to the aluminum alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, 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 1200 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
69
Elongation at Break, % 25
1.1 to 28
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 41
26
Tensile Strength: Ultimate (UTS), MPa 480
85 to 180
Tensile Strength: Yield (Proof), MPa 240
28 to 160

Thermal Properties

Latent Heat of Fusion, J/g 190
400
Maximum Temperature: Mechanical, °C 130
170
Melting Completion (Liquidus), °C 930
660
Melting Onset (Solidus), °C 900
650
Specific Heat Capacity, J/kg-K 390
900
Thermal Conductivity, W/m-K 120
230
Thermal Expansion, µm/m-K 20
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
58
Electrical Conductivity: Equal Weight (Specific), % IACS 17
190

Otherwise Unclassified Properties

Base Metal Price, % relative 24
9.0
Density, g/cm3 8.1
2.7
Embodied Carbon, kg CO2/kg material 2.7
8.2
Embodied Energy, MJ/kg 46
150
Embodied Water, L/kg 320
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
2.0 to 19
Resilience: Unit (Modulus of Resilience), kJ/m3 270
5.7 to 180
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 20
50
Strength to Weight: Axial, points 17
8.7 to 19
Strength to Weight: Bending, points 17
16 to 26
Thermal Diffusivity, mm2/s 37
92
Thermal Shock Resistance, points 16
3.8 to 8.1

Alloy Composition


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Aluminum (Al), % 0 to 0.15
99 to 100
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 to 1.0
Lead (Pb), % 0 to 0.25
0
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 to 1.0
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 0 to 0.25
0
Titanium (Ti), % 0
0 to 0.050
Zinc (Zn), % 30 to 36
0 to 0.1
Residuals, % 0
0 to 0.15