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Grade 2 Titanium vs. AWS ERNiFeCr-2

Grade 2 titanium belongs to the titanium alloys classification, while AWS ERNiFeCr-2 belongs to the nickel alloys. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 23
28
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 38
75
Tensile Strength: Ultimate (UTS), MPa 420
1300

Thermal Properties

Latent Heat of Fusion, J/g 420
310
Melting Completion (Liquidus), °C 1660
1460
Melting Onset (Solidus), °C 1610
1410
Specific Heat Capacity, J/kg-K 540
450
Thermal Conductivity, W/m-K 22
12
Thermal Expansion, µm/m-K 9.0
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 7.2
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 37
75
Density, g/cm3 4.5
8.3
Embodied Carbon, kg CO2/kg material 31
13
Embodied Energy, MJ/kg 510
190
Embodied Water, L/kg 110
250

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
23
Strength to Weight: Axial, points 26
43
Strength to Weight: Bending, points 28
32
Thermal Diffusivity, mm2/s 8.9
3.2
Thermal Shock Resistance, points 32
38

Alloy Composition

Aluminum (Al), % 0
0.2 to 0.8
Boron (B), % 0
0 to 0.0030
Carbon (C), % 0 to 0.080
0 to 0.080
Chromium (Cr), % 0
17 to 21
Copper (Cu), % 0
0 to 0.3
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
11.6 to 24.6
Manganese (Mn), % 0
0 to 0.35
Molybdenum (Mo), % 0
2.8 to 3.3
Nickel (Ni), % 0
50 to 55
Niobium (Nb), % 0
4.8 to 5.5
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0
0 to 0.35
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 98.9 to 100
0.65 to 1.2
Residuals, % 0
0 to 0.5