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Grade C-2 Titanium vs. AWS ERTi-12

Both grade C-2 titanium and AWS ERTi-12 are titanium alloys. Their average alloy composition is basically identical. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is grade C-2 titanium and the bottom bar is AWS ERTi-12.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 17
12
Fatigue Strength, MPa 200
200
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 40
41
Tensile Strength: Ultimate (UTS), MPa 390
480
Tensile Strength: Yield (Proof), MPa 310
340

Thermal Properties

Latent Heat of Fusion, J/g 420
420
Maximum Temperature: Mechanical, °C 320
320
Melting Completion (Liquidus), °C 1660
1670
Melting Onset (Solidus), °C 1610
1620
Specific Heat Capacity, J/kg-K 540
540
Thermal Conductivity, W/m-K 21
21
Thermal Expansion, µm/m-K 8.7
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
7.1

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 61
52
Resilience: Unit (Modulus of Resilience), kJ/m3 460
550
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
35
Strength to Weight: Axial, points 24
30
Strength to Weight: Bending, points 26
30
Thermal Diffusivity, mm2/s 8.8
8.7
Thermal Shock Resistance, points 30
37

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.030
Hydrogen (H), % 0 to 0.015
0 to 0.0080
Iron (Fe), % 0 to 0.2
0 to 0.15
Molybdenum (Mo), % 0
0.2 to 0.4
Nickel (Ni), % 0 to 0.050
0.060 to 0.090
Nitrogen (N), % 0
0 to 0.015
Oxygen (O), % 0 to 0.4
0.080 to 0.16
Titanium (Ti), % 98.8 to 100
99.147 to 99.66
Residuals, % 0 to 0.4
0