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C69300 Brass vs. 1200 Aluminum

C69300 brass belongs to the copper alloys classification, while 1200 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, 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 C69300 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, % 8.5 to 15
1.1 to 28
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 41
26
Shear Strength, MPa 330 to 370
54 to 100
Tensile Strength: Ultimate (UTS), MPa 550 to 630
85 to 180
Tensile Strength: Yield (Proof), MPa 300 to 390
28 to 160

Thermal Properties

Latent Heat of Fusion, J/g 240
400
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 880
660
Melting Onset (Solidus), °C 860
650
Specific Heat Capacity, J/kg-K 400
900
Thermal Conductivity, W/m-K 38
230
Thermal Expansion, µm/m-K 19
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
58
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
190

Otherwise Unclassified Properties

Base Metal Price, % relative 26
9.0
Density, g/cm3 8.2
2.7
Embodied Carbon, kg CO2/kg material 2.7
8.2
Embodied Energy, MJ/kg 45
150
Embodied Water, L/kg 310
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 47 to 70
2.0 to 19
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 700
5.7 to 180
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
50
Strength to Weight: Axial, points 19 to 21
8.7 to 19
Strength to Weight: Bending, points 18 to 20
16 to 26
Thermal Diffusivity, mm2/s 12
92
Thermal Shock Resistance, points 19 to 22
3.8 to 8.1

Alloy Composition

Aluminum (Al), % 0
99 to 100
Copper (Cu), % 73 to 77
0 to 0.050
Iron (Fe), % 0 to 0.1
0 to 1.0
Lead (Pb), % 0 to 0.090
0
Manganese (Mn), % 0 to 0.1
0 to 0.050
Nickel (Ni), % 0 to 0.1
0
Phosphorus (P), % 0.040 to 0.15
0
Silicon (Si), % 2.7 to 3.4
0 to 1.0
Tin (Sn), % 0 to 0.2
0
Titanium (Ti), % 0
0 to 0.050
Zinc (Zn), % 18.4 to 24.3
0 to 0.1
Residuals, % 0
0 to 0.15