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C99700 Brass vs. 712.0 Aluminum

C99700 brass belongs to the copper alloys classification, while 712.0 aluminum belongs to the aluminum alloys. There are 26 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 C99700 brass and the bottom bar is 712.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
70
Elongation at Break, % 25
4.5 to 4.7
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 46
27
Tensile Strength: Ultimate (UTS), MPa 380
250 to 260
Tensile Strength: Yield (Proof), MPa 170
180 to 200

Thermal Properties

Latent Heat of Fusion, J/g 200
380
Maximum Temperature: Mechanical, °C 160
190
Melting Completion (Liquidus), °C 900
640
Melting Onset (Solidus), °C 880
610
Specific Heat Capacity, J/kg-K 410
870
Thermal Expansion, µm/m-K 20
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
40
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
120

Otherwise Unclassified Properties

Base Metal Price, % relative 25
9.5
Density, g/cm3 8.1
3.0
Embodied Carbon, kg CO2/kg material 3.3
8.0
Embodied Energy, MJ/kg 53
150
Embodied Water, L/kg 320
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78
11
Resilience: Unit (Modulus of Resilience), kJ/m3 120
240 to 270
Stiffness to Weight: Axial, points 8.3
13
Stiffness to Weight: Bending, points 20
46
Strength to Weight: Axial, points 13
24 to 25
Strength to Weight: Bending, points 14
30 to 31
Thermal Shock Resistance, points 11
11

Alloy Composition

Aluminum (Al), % 0.5 to 3.0
90.7 to 94
Chromium (Cr), % 0
0.4 to 0.6
Copper (Cu), % 54 to 65.5
0 to 0.25
Iron (Fe), % 0 to 1.0
0 to 0.5
Lead (Pb), % 0 to 2.0
0
Magnesium (Mg), % 0
0.5 to 0.65
Manganese (Mn), % 11 to 15
0 to 0.1
Nickel (Ni), % 4.0 to 6.0
0
Silicon (Si), % 0
0 to 0.3
Tin (Sn), % 0 to 1.0
0
Titanium (Ti), % 0
0.15 to 0.25
Zinc (Zn), % 19 to 25
5.0 to 6.5
Residuals, % 0
0 to 0.2