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Grade 25 Titanium vs. AWS ERNiCr-3

Grade 25 titanium belongs to the titanium alloys classification, while AWS ERNiCr-3 belongs to the nickel alloys. There are 19 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is grade 25 titanium and the bottom bar is AWS ERNiCr-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 11
34
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
75
Tensile Strength: Ultimate (UTS), MPa 1000
630

Thermal Properties

Latent Heat of Fusion, J/g 410
320
Melting Completion (Liquidus), °C 1610
1380
Melting Onset (Solidus), °C 1560
1330
Specific Heat Capacity, J/kg-K 560
460
Thermal Expansion, µm/m-K 9.6
13

Otherwise Unclassified Properties

Density, g/cm3 4.5
8.4
Embodied Carbon, kg CO2/kg material 43
11
Embodied Energy, MJ/kg 700
160
Embodied Water, L/kg 320
280

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
23
Strength to Weight: Axial, points 62
21
Strength to Weight: Bending, points 50
19
Thermal Shock Resistance, points 71
18

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0
Carbon (C), % 0 to 0.080
0 to 0.1
Chromium (Cr), % 0
18 to 22
Cobalt (Co), % 0
0 to 0.12
Copper (Cu), % 0
0 to 0.5
Hydrogen (H), % 0 to 0.013
0
Iron (Fe), % 0 to 0.4
0 to 3.0
Manganese (Mn), % 0
2.5 to 3.5
Nickel (Ni), % 0.3 to 0.8
67 to 77.5
Niobium (Nb), % 0
2.0 to 3.0
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.2
0
Palladium (Pd), % 0.040 to 0.080
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 86.7 to 90.6
0 to 0.75
Vanadium (V), % 3.5 to 4.5
0
Residuals, % 0
0 to 0.5