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C96300 Copper-nickel vs. C68700 Brass

Both C96300 copper-nickel and C68700 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 (3, in this case) are not shown.

For each property being compared, the top bar is C96300 copper-nickel and the bottom bar is C68700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
110
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 49
41
Tensile Strength: Ultimate (UTS), MPa 580
390
Tensile Strength: Yield (Proof), MPa 430
140

Thermal Properties

Latent Heat of Fusion, J/g 230
190
Maximum Temperature: Mechanical, °C 240
160
Melting Completion (Liquidus), °C 1200
970
Melting Onset (Solidus), °C 1150
930
Specific Heat Capacity, J/kg-K 400
400
Thermal Conductivity, W/m-K 37
100
Thermal Expansion, µm/m-K 16
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.0
23
Electrical Conductivity: Equal Weight (Specific), % IACS 6.1
25

Otherwise Unclassified Properties

Base Metal Price, % relative 42
26
Density, g/cm3 8.9
8.3
Embodied Carbon, kg CO2/kg material 5.1
2.8
Embodied Energy, MJ/kg 76
46
Embodied Water, L/kg 290
340

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 720
90
Stiffness to Weight: Axial, points 8.2
7.3
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 18
13
Strength to Weight: Bending, points 17
14
Thermal Diffusivity, mm2/s 10
30
Thermal Shock Resistance, points 20
13

Alloy Composition

Aluminum (Al), % 0
1.8 to 2.5
Arsenic (As), % 0
0.020 to 0.1
Carbon (C), % 0 to 0.15
0
Copper (Cu), % 72.3 to 80.8
76 to 79
Iron (Fe), % 0.5 to 1.5
0 to 0.060
Lead (Pb), % 0 to 0.010
0 to 0.070
Manganese (Mn), % 0.25 to 1.5
0
Nickel (Ni), % 18 to 22
0
Niobium (Nb), % 0.5 to 1.5
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.020
0
Zinc (Zn), % 0
17.8 to 22.2
Residuals, % 0
0 to 0.5