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C96900 Copper-nickel vs. C26800 Brass

Both C96900 copper-nickel and C26800 brass are copper alloys. They have 67% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C96900 copper-nickel and the bottom bar is C26800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 45
40
Tensile Strength: Ultimate (UTS), MPa 850
310 to 650

Thermal Properties

Latent Heat of Fusion, J/g 210
180
Maximum Temperature: Mechanical, °C 210
130
Melting Completion (Liquidus), °C 1060
930
Melting Onset (Solidus), °C 960
900
Specific Heat Capacity, J/kg-K 380
390
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
27
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
30

Otherwise Unclassified Properties

Base Metal Price, % relative 39
24
Density, g/cm3 8.8
8.1
Embodied Carbon, kg CO2/kg material 4.6
2.7
Embodied Energy, MJ/kg 72
45
Embodied Water, L/kg 360
320

Common Calculations

Stiffness to Weight: Axial, points 7.7
7.2
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 27
11 to 22
Strength to Weight: Bending, points 23
13 to 21
Thermal Shock Resistance, points 30
10 to 22

Alloy Composition

Copper (Cu), % 73.6 to 78
64 to 68.5
Iron (Fe), % 0 to 0.5
0 to 0.050
Lead (Pb), % 0 to 0.020
0 to 0.15
Magnesium (Mg), % 0 to 0.15
0
Manganese (Mn), % 0.050 to 0.3
0
Nickel (Ni), % 14.5 to 15.5
0
Niobium (Nb), % 0 to 0.1
0
Silicon (Si), % 0 to 0.3
0
Tin (Sn), % 7.5 to 8.5
0
Zinc (Zn), % 0 to 0.5
31 to 36
Residuals, % 0
0 to 0.3