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Grade 28 Titanium vs. AWS ERNiCrFe-6

Grade 28 titanium belongs to the titanium alloys classification, while AWS ERNiCrFe-6 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 grade 28 titanium and the bottom bar is AWS ERNiCrFe-6.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 11 to 17
34
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
74
Tensile Strength: Ultimate (UTS), MPa 690 to 980
630

Thermal Properties

Latent Heat of Fusion, J/g 410
310
Melting Completion (Liquidus), °C 1640
1370
Melting Onset (Solidus), °C 1590
1320
Specific Heat Capacity, J/kg-K 550
460
Thermal Conductivity, W/m-K 8.3
13
Thermal Expansion, µm/m-K 9.9
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 36
55
Density, g/cm3 4.5
8.4
Embodied Carbon, kg CO2/kg material 37
9.8
Embodied Energy, MJ/kg 600
140
Embodied Water, L/kg 370
260

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
23
Strength to Weight: Axial, points 43 to 61
21
Strength to Weight: Bending, points 39 to 49
19
Thermal Diffusivity, mm2/s 3.4
3.3
Thermal Shock Resistance, points 47 to 66
19

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
0
Carbon (C), % 0 to 0.080
0 to 0.080
Chromium (Cr), % 0
14 to 17
Copper (Cu), % 0
0 to 0.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 8.0
Manganese (Mn), % 0
2.0 to 2.7
Nickel (Ni), % 0
67 to 81.5
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.15
0
Phosphorus (P), % 0
0 to 0.030
Ruthenium (Ru), % 0.080 to 0.14
0
Silicon (Si), % 0
0 to 0.35
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 92.4 to 95.4
2.5 to 3.5
Vanadium (V), % 2.0 to 3.0
0
Residuals, % 0
0 to 0.5