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C42200 Brass vs. 705.0 Aluminum

C42200 brass belongs to the copper alloys classification, while 705.0 aluminum belongs to the aluminum alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, 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 C42200 brass and the bottom bar is 705.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
69
Elongation at Break, % 2.0 to 46
8.4 to 10
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 42
26
Tensile Strength: Ultimate (UTS), MPa 300 to 610
240 to 260
Tensile Strength: Yield (Proof), MPa 100 to 570
130

Thermal Properties

Latent Heat of Fusion, J/g 200
390
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 1040
640
Melting Onset (Solidus), °C 1020
610
Specific Heat Capacity, J/kg-K 380
890
Thermal Conductivity, W/m-K 130
140
Thermal Expansion, µm/m-K 18
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
34
Electrical Conductivity: Equal Weight (Specific), % IACS 32
110

Otherwise Unclassified Properties

Base Metal Price, % relative 29
9.5
Density, g/cm3 8.6
2.8
Embodied Carbon, kg CO2/kg material 2.7
8.4
Embodied Energy, MJ/kg 44
150
Embodied Water, L/kg 320
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 110
18 to 20
Resilience: Unit (Modulus of Resilience), kJ/m3 49 to 1460
120 to 130
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 19
49
Strength to Weight: Axial, points 9.5 to 19
24 to 26
Strength to Weight: Bending, points 11 to 18
31 to 32
Thermal Diffusivity, mm2/s 39
55
Thermal Shock Resistance, points 10 to 21
11

Alloy Composition

Aluminum (Al), % 0
92.3 to 98.6
Chromium (Cr), % 0
0 to 0.4
Copper (Cu), % 86 to 89
0 to 0.2
Iron (Fe), % 0 to 0.050
0 to 0.8
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0
1.4 to 1.8
Manganese (Mn), % 0
0 to 0.6
Phosphorus (P), % 0 to 0.35
0
Silicon (Si), % 0
0 to 0.2
Tin (Sn), % 0.8 to 1.4
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 8.7 to 13.2
0 to 3.3
Residuals, % 0
0 to 0.15