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AWS E308 vs. Grade 29 Titanium

AWS E308 belongs to the iron alloys classification, while grade 29 titanium belongs to the titanium alloys. There are 24 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 AWS E308 and the bottom bar is grade 29 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 40
6.8 to 11
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 78
40
Tensile Strength: Ultimate (UTS), MPa 620
930 to 940

Thermal Properties

Latent Heat of Fusion, J/g 290
410
Melting Completion (Liquidus), °C 1420
1610
Melting Onset (Solidus), °C 1380
1560
Specific Heat Capacity, J/kg-K 480
560
Thermal Conductivity, W/m-K 16
7.3
Thermal Expansion, µm/m-K 14
9.3

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 16
36
Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 3.2
39
Embodied Energy, MJ/kg 46
640
Embodied Water, L/kg 150
410

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 22
58 to 59
Strength to Weight: Bending, points 21
47 to 48
Thermal Diffusivity, mm2/s 4.2
2.9
Thermal Shock Resistance, points 16
68 to 69

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.5
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 0.015
Iron (Fe), % 62.9 to 72.5
0 to 0.25
Manganese (Mn), % 0.5 to 2.5
0
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 9.0 to 11
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.13
Phosphorus (P), % 0 to 0.040
0
Ruthenium (Ru), % 0
0.080 to 0.14
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
88 to 90.9
Vanadium (V), % 0
3.5 to 4.5
Residuals, % 0
0 to 0.4