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C96900 Copper-nickel vs. C68700 Brass

Both C96900 copper-nickel and C68700 brass are copper alloys. They have 76% of their average alloy composition in common. There are 24 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 C68700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 45
41
Tensile Strength: Ultimate (UTS), MPa 850
390
Tensile Strength: Yield (Proof), MPa 830
140

Thermal Properties

Latent Heat of Fusion, J/g 210
190
Maximum Temperature: Mechanical, °C 210
160
Melting Completion (Liquidus), °C 1060
970
Melting Onset (Solidus), °C 960
930
Specific Heat Capacity, J/kg-K 380
400
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
23
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
25

Otherwise Unclassified Properties

Base Metal Price, % relative 39
26
Density, g/cm3 8.8
8.3
Embodied Carbon, kg CO2/kg material 4.6
2.8
Embodied Energy, MJ/kg 72
46
Embodied Water, L/kg 360
340

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 2820
90
Stiffness to Weight: Axial, points 7.7
7.3
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 27
13
Strength to Weight: Bending, points 23
14
Thermal Shock Resistance, points 30
13

Alloy Composition

Aluminum (Al), % 0
1.8 to 2.5
Arsenic (As), % 0
0.020 to 0.1
Copper (Cu), % 73.6 to 78
76 to 79
Iron (Fe), % 0 to 0.5
0 to 0.060
Lead (Pb), % 0 to 0.020
0 to 0.070
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
17.8 to 22.2
Residuals, % 0
0 to 0.5