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C96900 Copper-nickel vs. C43400 Brass

Both C96900 copper-nickel and C43400 brass are copper alloys. They have 77% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C96900 copper-nickel and the bottom bar is C43400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 4.5
3.0 to 49
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 45
42
Tensile Strength: Ultimate (UTS), MPa 850
310 to 690
Tensile Strength: Yield (Proof), MPa 830
110 to 560

Thermal Properties

Latent Heat of Fusion, J/g 210
190
Maximum Temperature: Mechanical, °C 210
170
Melting Completion (Liquidus), °C 1060
1020
Melting Onset (Solidus), °C 960
990
Specific Heat Capacity, J/kg-K 380
380
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
31
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
32

Otherwise Unclassified Properties

Base Metal Price, % relative 39
28
Density, g/cm3 8.8
8.6
Embodied Carbon, kg CO2/kg material 4.6
2.7
Embodied Energy, MJ/kg 72
44
Embodied Water, L/kg 360
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38
19 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 2820
57 to 1420
Stiffness to Weight: Axial, points 7.7
7.2
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 27
10 to 22
Strength to Weight: Bending, points 23
12 to 20
Thermal Shock Resistance, points 30
11 to 24

Alloy Composition

Copper (Cu), % 73.6 to 78
84 to 87
Iron (Fe), % 0 to 0.5
0 to 0.050
Lead (Pb), % 0 to 0.020
0 to 0.050
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
0.4 to 1.0
Zinc (Zn), % 0 to 0.5
11.4 to 15.6
Residuals, % 0
0 to 0.5