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C34500 Brass vs. 2195 Aluminum

C34500 brass belongs to the copper alloys classification, while 2195 aluminum belongs to the aluminum 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 C34500 brass and the bottom bar is 2195 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
69
Elongation at Break, % 12 to 28
9.3
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
26
Shear Strength, MPa 220 to 260
350
Tensile Strength: Ultimate (UTS), MPa 340 to 430
590
Tensile Strength: Yield (Proof), MPa 120 to 180
560

Thermal Properties

Latent Heat of Fusion, J/g 170
390
Maximum Temperature: Mechanical, °C 120
210
Melting Completion (Liquidus), °C 910
660
Melting Onset (Solidus), °C 890
550
Specific Heat Capacity, J/kg-K 380
900
Thermal Conductivity, W/m-K 120
130
Thermal Expansion, µm/m-K 21
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
34
Electrical Conductivity: Equal Weight (Specific), % IACS 29
100

Otherwise Unclassified Properties

Base Metal Price, % relative 24
31
Density, g/cm3 8.2
3.0
Embodied Carbon, kg CO2/kg material 2.6
8.6
Embodied Energy, MJ/kg 45
160
Embodied Water, L/kg 320
1470

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 42 to 75
54
Resilience: Unit (Modulus of Resilience), kJ/m3 69 to 160
2290
Stiffness to Weight: Axial, points 7.1
13
Stiffness to Weight: Bending, points 19
46
Strength to Weight: Axial, points 12 to 15
55
Strength to Weight: Bending, points 13 to 16
53
Thermal Diffusivity, mm2/s 37
49
Thermal Shock Resistance, points 11 to 14
26

Alloy Composition

Aluminum (Al), % 0
91.9 to 94.9
Copper (Cu), % 62 to 65
3.7 to 4.3
Iron (Fe), % 0 to 0.15
0 to 0.15
Lead (Pb), % 1.5 to 2.5
0
Lithium (Li), % 0
0.8 to 1.2
Magnesium (Mg), % 0
0.25 to 0.8
Manganese (Mn), % 0
0 to 0.25
Silicon (Si), % 0
0 to 0.12
Silver (Ag), % 0
0.25 to 0.6
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 32 to 36.5
0 to 0.25
Zirconium (Zr), % 0
0.080 to 0.16
Residuals, % 0
0 to 0.15