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Titanium 6-2-4-2 vs. AWS ERNiCu-7

Titanium 6-2-4-2 belongs to the titanium alloys classification, while AWS ERNiCu-7 belongs to the nickel alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is titanium 6-2-4-2 and the bottom bar is AWS ERNiCu-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
160
Elongation at Break, % 8.6
34
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 40
61
Tensile Strength: Ultimate (UTS), MPa 950
550

Thermal Properties

Latent Heat of Fusion, J/g 400
280
Melting Completion (Liquidus), °C 1590
1280
Melting Onset (Solidus), °C 1540
1240
Specific Heat Capacity, J/kg-K 540
440
Thermal Conductivity, W/m-K 6.9
20
Thermal Expansion, µm/m-K 9.5
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 0.9
3.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 42
50
Density, g/cm3 4.6
8.7
Embodied Carbon, kg CO2/kg material 32
8.5
Embodied Energy, MJ/kg 520
120
Embodied Water, L/kg 210
250

Common Calculations

Stiffness to Weight: Axial, points 13
10
Stiffness to Weight: Bending, points 34
21
Strength to Weight: Axial, points 57
18
Strength to Weight: Bending, points 46
17
Thermal Diffusivity, mm2/s 2.8
5.3
Thermal Shock Resistance, points 67
19

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0 to 1.3
Carbon (C), % 0 to 0.050
0 to 0.15
Copper (Cu), % 0
18.3 to 36.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 2.5
Manganese (Mn), % 0
0 to 4.0
Molybdenum (Mo), % 1.8 to 2.2
0
Nickel (Ni), % 0
62 to 69
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.15
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0.060 to 0.12
0 to 1.3
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 1.8 to 2.2
0
Titanium (Ti), % 83.7 to 87.2
1.5 to 3.0
Zirconium (Zr), % 3.6 to 4.4
0
Residuals, % 0 to 0.4
0 to 0.5