MakeItFrom.com
Menu (ESC)

2618 Aluminum vs. C83400 Brass

2618 aluminum belongs to the aluminum alloys classification, while C83400 brass belongs to the copper 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 2618 aluminum and the bottom bar is C83400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
110
Elongation at Break, % 5.8
30
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
42
Tensile Strength: Ultimate (UTS), MPa 420
240
Tensile Strength: Yield (Proof), MPa 350
69

Thermal Properties

Latent Heat of Fusion, J/g 390
200
Maximum Temperature: Mechanical, °C 210
180
Melting Completion (Liquidus), °C 640
1040
Melting Onset (Solidus), °C 550
1020
Specific Heat Capacity, J/kg-K 880
380
Thermal Conductivity, W/m-K 160
190
Thermal Expansion, µm/m-K 22
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
44
Electrical Conductivity: Equal Weight (Specific), % IACS 110
46

Otherwise Unclassified Properties

Base Metal Price, % relative 11
29
Density, g/cm3 2.9
8.7
Embodied Carbon, kg CO2/kg material 8.3
2.7
Embodied Energy, MJ/kg 150
43
Embodied Water, L/kg 1150
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 23
55
Resilience: Unit (Modulus of Resilience), kJ/m3 850
21
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 47
19
Strength to Weight: Axial, points 40
7.7
Strength to Weight: Bending, points 42
9.9
Thermal Diffusivity, mm2/s 62
57
Thermal Shock Resistance, points 19
8.4

Alloy Composition

Aluminum (Al), % 92.4 to 94.9
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 1.9 to 2.7
88 to 92
Iron (Fe), % 0.9 to 1.3
0 to 0.25
Lead (Pb), % 0
0 to 0.5
Magnesium (Mg), % 1.3 to 1.8
0
Nickel (Ni), % 0.9 to 1.2
0 to 1.0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0.1 to 0.25
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
0 to 0.2
Titanium (Ti), % 0.040 to 0.1
0
Zinc (Zn), % 0 to 0.1
8.0 to 12
Residuals, % 0
0 to 0.7