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CC381H Copper-nickel vs. Grade 5 Titanium

CC381H copper-nickel belongs to the copper alloys classification, while grade 5 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 5 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
110
Elongation at Break, % 20
8.6 to 11
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 52
40
Tensile Strength: Ultimate (UTS), MPa 380
1000 to 1190
Tensile Strength: Yield (Proof), MPa 140
910 to 1110

Thermal Properties

Latent Heat of Fusion, J/g 240
410
Maximum Temperature: Mechanical, °C 260
330
Melting Completion (Liquidus), °C 1180
1610
Melting Onset (Solidus), °C 1120
1650
Specific Heat Capacity, J/kg-K 410
560
Thermal Conductivity, W/m-K 30
6.8
Thermal Expansion, µm/m-K 16
8.9

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
100 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 68
3980 to 5880
Stiffness to Weight: Axial, points 8.6
13
Stiffness to Weight: Bending, points 19
35
Strength to Weight: Axial, points 12
62 to 75
Strength to Weight: Bending, points 13
50 to 56
Thermal Diffusivity, mm2/s 8.4
2.7
Thermal Shock Resistance, points 13
76 to 91

Alloy Composition


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Aluminum (Al), % 0 to 0.010
5.5 to 6.8
Carbon (C), % 0 to 0.030
0 to 0.080
Copper (Cu), % 64.5 to 69.9
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0.5 to 1.5
0 to 0.4
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 0.050
Oxygen (O), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.1
0
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0
87.4 to 91
Vanadium (V), % 0
3.5 to 4.5
Yttrium (Y), % 0
0 to 0.0050
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0
0 to 0.4