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C96300 Copper-nickel vs. C68800 Brass

Both C96300 copper-nickel and C68800 brass are copper alloys. They have 74% of their average alloy composition in common. There are 28 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 C96300 copper-nickel and the bottom bar is C68800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
110
Elongation at Break, % 11
2.0 to 36
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 49
41
Tensile Strength: Ultimate (UTS), MPa 580
570 to 890
Tensile Strength: Yield (Proof), MPa 430
390 to 790

Thermal Properties

Latent Heat of Fusion, J/g 230
190
Maximum Temperature: Mechanical, °C 240
160
Melting Completion (Liquidus), °C 1200
960
Melting Onset (Solidus), °C 1150
950
Specific Heat Capacity, J/kg-K 400
400
Thermal Conductivity, W/m-K 37
40
Thermal Expansion, µm/m-K 16
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.0
18
Electrical Conductivity: Equal Weight (Specific), % IACS 6.1
20

Otherwise Unclassified Properties

Base Metal Price, % relative 42
26
Density, g/cm3 8.9
8.2
Embodied Carbon, kg CO2/kg material 5.1
2.8
Embodied Energy, MJ/kg 76
48
Embodied Water, L/kg 290
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 59
16 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 720
710 to 2860
Stiffness to Weight: Axial, points 8.2
7.3
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 18
19 to 30
Strength to Weight: Bending, points 17
19 to 25
Thermal Diffusivity, mm2/s 10
12
Thermal Shock Resistance, points 20
19 to 30

Alloy Composition

Aluminum (Al), % 0
3.0 to 3.8
Carbon (C), % 0 to 0.15
0
Cobalt (Co), % 0
0.25 to 0.55
Copper (Cu), % 72.3 to 80.8
70.8 to 75.5
Iron (Fe), % 0.5 to 1.5
0 to 0.2
Lead (Pb), % 0 to 0.010
0 to 0.050
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
21.3 to 24.1
Residuals, % 0
0 to 0.5