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1235 Aluminum vs. C36200 Brass

1235 aluminum belongs to the aluminum alloys classification, while C36200 brass belongs to the copper 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 1235 aluminum and the bottom bar is C36200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
100
Elongation at Break, % 28 to 34
20 to 53
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 26
39
Shear Strength, MPa 52 to 56
210 to 240
Tensile Strength: Ultimate (UTS), MPa 80 to 84
340 to 420
Tensile Strength: Yield (Proof), MPa 23 to 57
130 to 360

Thermal Properties

Latent Heat of Fusion, J/g 400
170
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 640
900
Melting Onset (Solidus), °C 640
890
Specific Heat Capacity, J/kg-K 900
380
Thermal Conductivity, W/m-K 230
120
Thermal Expansion, µm/m-K 23
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
26
Electrical Conductivity: Equal Weight (Specific), % IACS 200
28

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
23
Density, g/cm3 2.7
8.2
Embodied Carbon, kg CO2/kg material 8.3
2.6
Embodied Energy, MJ/kg 160
45
Embodied Water, L/kg 1190
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 25
74 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 3.8 to 24
89 to 630
Stiffness to Weight: Axial, points 14
6.9
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 8.2 to 8.6
11 to 14
Strength to Weight: Bending, points 15 to 16
13 to 15
Thermal Diffusivity, mm2/s 93
37
Thermal Shock Resistance, points 3.6 to 3.7
11 to 14

Alloy Composition

Aluminum (Al), % 99.35 to 100
0
Copper (Cu), % 0 to 0.050
60 to 63
Iron (Fe), % 0 to 0.65
0 to 0.15
Lead (Pb), % 0
3.5 to 4.5
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.050
0
Silicon (Si), % 0 to 0.65
0
Titanium (Ti), % 0 to 0.060
0
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.1
32.4 to 36.5