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C83300 Brass vs. C72900 Copper-nickel

Both C83300 brass and C72900 copper-nickel are copper alloys. They have 78% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C83300 brass and the bottom bar is C72900 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 35
6.0 to 20
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 42
45
Tensile Strength: Ultimate (UTS), MPa 220
870 to 1080
Tensile Strength: Yield (Proof), MPa 69
700 to 920

Thermal Properties

Latent Heat of Fusion, J/g 200
210
Maximum Temperature: Mechanical, °C 180
210
Melting Completion (Liquidus), °C 1060
1120
Melting Onset (Solidus), °C 1030
950
Specific Heat Capacity, J/kg-K 380
380
Thermal Conductivity, W/m-K 160
29
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 33
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 30
39
Density, g/cm3 8.8
8.8
Embodied Carbon, kg CO2/kg material 2.7
4.6
Embodied Energy, MJ/kg 44
72
Embodied Water, L/kg 320
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 60
49 to 210
Resilience: Unit (Modulus of Resilience), kJ/m3 21
2030 to 3490
Stiffness to Weight: Axial, points 7.0
7.6
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 6.9
27 to 34
Strength to Weight: Bending, points 9.2
23 to 27
Thermal Diffusivity, mm2/s 48
8.6
Thermal Shock Resistance, points 7.9
31 to 38

Alloy Composition


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Copper (Cu), % 92 to 94
74.1 to 78
Iron (Fe), % 0
0 to 0.5
Lead (Pb), % 1.0 to 2.0
0 to 0.020
Magnesium (Mg), % 0
0 to 0.15
Manganese (Mn), % 0
0 to 0.3
Nickel (Ni), % 0
14.5 to 15.5
Niobium (Nb), % 0
0 to 0.1
Tin (Sn), % 1.0 to 2.0
7.5 to 8.5
Zinc (Zn), % 2.0 to 6.0
0 to 0.5
Residuals, % 0 to 0.7
0 to 0.3