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C96900 Copper-nickel vs. C68400 Brass

Both C96900 copper-nickel and C68400 brass are copper alloys. They have 63% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C96900 copper-nickel and the bottom bar is C68400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 4.5
18
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 45
41
Tensile Strength: Ultimate (UTS), MPa 850
540
Tensile Strength: Yield (Proof), MPa 830
310

Thermal Properties

Latent Heat of Fusion, J/g 210
210
Maximum Temperature: Mechanical, °C 210
130
Melting Completion (Liquidus), °C 1060
840
Melting Onset (Solidus), °C 960
820
Specific Heat Capacity, J/kg-K 380
400
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
87
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
99

Otherwise Unclassified Properties

Base Metal Price, % relative 39
23
Density, g/cm3 8.8
7.9
Embodied Carbon, kg CO2/kg material 4.6
2.7
Embodied Energy, MJ/kg 72
47
Embodied Water, L/kg 360
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38
81
Resilience: Unit (Modulus of Resilience), kJ/m3 2820
460
Stiffness to Weight: Axial, points 7.7
7.5
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 27
19
Strength to Weight: Bending, points 23
19
Thermal Shock Resistance, points 30
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Boron (B), % 0
0.0010 to 0.030
Copper (Cu), % 73.6 to 78
59 to 64
Iron (Fe), % 0 to 0.5
0 to 1.0
Lead (Pb), % 0 to 0.020
0 to 0.090
Magnesium (Mg), % 0 to 0.15
0
Manganese (Mn), % 0.050 to 0.3
0.2 to 1.5
Nickel (Ni), % 14.5 to 15.5
0 to 0.5
Niobium (Nb), % 0 to 0.1
0
Phosphorus (P), % 0
0.030 to 0.3
Silicon (Si), % 0 to 0.3
1.5 to 2.5
Tin (Sn), % 7.5 to 8.5
0 to 0.5
Zinc (Zn), % 0 to 0.5
28.6 to 39.3
Residuals, % 0
0 to 0.5