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Grade 2 Titanium vs. C71580 Copper-nickel

Grade 2 titanium belongs to the titanium alloys classification, while C71580 copper-nickel belongs to the copper alloys. There are 30 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 grade 2 titanium and the bottom bar is C71580 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
75
Elastic (Young's, Tensile) Modulus, GPa 110
140
Elongation at Break, % 23
40
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 38
51
Shear Strength, MPa 270
230
Tensile Strength: Ultimate (UTS), MPa 420
330
Tensile Strength: Yield (Proof), MPa 360
110

Thermal Properties

Latent Heat of Fusion, J/g 420
230
Maximum Temperature: Mechanical, °C 320
260
Melting Completion (Liquidus), °C 1660
1180
Melting Onset (Solidus), °C 1610
1120
Specific Heat Capacity, J/kg-K 540
400
Thermal Conductivity, W/m-K 22
39
Thermal Expansion, µm/m-K 9.0
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
4.7
Electrical Conductivity: Equal Weight (Specific), % IACS 7.2
4.7

Otherwise Unclassified Properties

Base Metal Price, % relative 37
41
Density, g/cm3 4.5
8.9
Embodied Carbon, kg CO2/kg material 31
5.1
Embodied Energy, MJ/kg 510
74
Embodied Water, L/kg 110
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
100
Resilience: Unit (Modulus of Resilience), kJ/m3 600
47
Stiffness to Weight: Axial, points 13
8.5
Stiffness to Weight: Bending, points 35
19
Strength to Weight: Axial, points 26
10
Strength to Weight: Bending, points 28
12
Thermal Diffusivity, mm2/s 8.9
11
Thermal Shock Resistance, points 32
11

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.070
Copper (Cu), % 0
65.5 to 71
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
0 to 0.5
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0
0 to 0.3
Nickel (Ni), % 0
29 to 33
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0
Titanium (Ti), % 98.9 to 100
0
Zinc (Zn), % 0
0 to 0.050
Residuals, % 0
0 to 0.5