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Grade 28 Titanium vs. AWS ERNiCrMo-2

Grade 28 titanium belongs to the titanium alloys classification, while AWS ERNiCrMo-2 belongs to the nickel alloys. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is grade 28 titanium and the bottom bar is AWS ERNiCrMo-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
81
Tensile Strength: Ultimate (UTS), MPa 690 to 980
750

Thermal Properties

Latent Heat of Fusion, J/g 410
320
Melting Completion (Liquidus), °C 1640
1460
Melting Onset (Solidus), °C 1590
1410
Specific Heat Capacity, J/kg-K 550
450
Thermal Conductivity, W/m-K 8.3
11
Thermal Expansion, µm/m-K 9.9
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 36
55
Density, g/cm3 4.5
8.4
Embodied Carbon, kg CO2/kg material 37
9.2
Embodied Energy, MJ/kg 600
120
Embodied Water, L/kg 370
270

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
23
Strength to Weight: Axial, points 43 to 61
25
Strength to Weight: Bending, points 39 to 49
22
Thermal Diffusivity, mm2/s 3.4
2.9
Thermal Shock Resistance, points 47 to 66
20

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
0
Carbon (C), % 0 to 0.080
0.050 to 0.15
Chromium (Cr), % 0
20.5 to 23
Cobalt (Co), % 0
0.5 to 2.5
Copper (Cu), % 0
0 to 0.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
17 to 20
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 0
40.3 to 53.8
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.15
0
Phosphorus (P), % 0
0 to 0.040
Ruthenium (Ru), % 0.080 to 0.14
0
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 92.4 to 95.4
0
Tungsten (W), % 0
0.2 to 1.0
Vanadium (V), % 2.0 to 3.0
0
Residuals, % 0
0 to 0.5