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CC381H Copper-nickel vs. Grade 23 Titanium

CC381H copper-nickel belongs to the copper alloys classification, while grade 23 titanium belongs to the titanium alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is CC381H copper-nickel and the bottom bar is grade 23 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
110
Elongation at Break, % 20
6.7 to 11
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 52
40
Tensile Strength: Ultimate (UTS), MPa 380
930 to 940
Tensile Strength: Yield (Proof), MPa 140
850 to 870

Thermal Properties

Latent Heat of Fusion, J/g 240
410
Maximum Temperature: Mechanical, °C 260
340
Melting Completion (Liquidus), °C 1180
1610
Melting Onset (Solidus), °C 1120
1560
Specific Heat Capacity, J/kg-K 410
560
Thermal Conductivity, W/m-K 30
7.1
Thermal Expansion, µm/m-K 16
9.4

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.8
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 40
36
Density, g/cm3 8.9
4.4
Embodied Carbon, kg CO2/kg material 5.0
38
Embodied Energy, MJ/kg 73
610
Embodied Water, L/kg 280
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 60
61 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 68
3430 to 3560
Stiffness to Weight: Axial, points 8.6
13
Stiffness to Weight: Bending, points 19
35
Strength to Weight: Axial, points 12
58 to 59
Strength to Weight: Bending, points 13
48
Thermal Diffusivity, mm2/s 8.4
2.9
Thermal Shock Resistance, points 13
67 to 68

Alloy Composition


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Aluminum (Al), % 0 to 0.010
5.5 to 6.5
Carbon (C), % 0 to 0.030
0 to 0.080
Copper (Cu), % 64.5 to 69.9
0
Hydrogen (H), % 0
0 to 0.013
Iron (Fe), % 0.5 to 1.5
0 to 0.25
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0.6 to 1.2
0
Nickel (Ni), % 29 to 31
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.13
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.1
0
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0
88.1 to 91
Vanadium (V), % 0
3.5 to 4.5
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0
0 to 0.4