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AWS E317 vs. Grade 25 Titanium

AWS E317 belongs to the iron alloys classification, while grade 25 titanium belongs to the titanium alloys. There are 23 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 AWS E317 and the bottom bar is grade 25 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 34
11
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 79
40
Tensile Strength: Ultimate (UTS), MPa 620
1000

Thermal Properties

Latent Heat of Fusion, J/g 300
410
Melting Completion (Liquidus), °C 1450
1610
Melting Onset (Solidus), °C 1400
1560
Specific Heat Capacity, J/kg-K 470
560
Thermal Conductivity, W/m-K 15
7.1
Thermal Expansion, µm/m-K 14
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.0

Otherwise Unclassified Properties

Density, g/cm3 7.9
4.5
Embodied Carbon, kg CO2/kg material 4.3
43
Embodied Energy, MJ/kg 59
700
Embodied Water, L/kg 170
320

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 22
62
Strength to Weight: Bending, points 20
50
Thermal Diffusivity, mm2/s 3.9
2.8
Thermal Shock Resistance, points 16
71

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.8
Carbon (C), % 0 to 0.080
0 to 0.080
Chromium (Cr), % 18 to 21
0
Copper (Cu), % 0 to 0.75
0
Hydrogen (H), % 0
0 to 0.013
Iron (Fe), % 56.6 to 66.5
0 to 0.4
Manganese (Mn), % 0.5 to 2.5
0
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 12 to 14
0.3 to 0.8
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Palladium (Pd), % 0
0.040 to 0.080
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
86.7 to 90.6
Vanadium (V), % 0
3.5 to 4.5
Residuals, % 0
0 to 0.4