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AWS E309H vs. Grade 20 Titanium

AWS E309H belongs to the iron alloys classification, while grade 20 titanium belongs to the titanium alloys. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is AWS E309H and the bottom bar is grade 20 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 34
5.7 to 17
Poisson's Ratio 0.27
0.32
Shear Modulus, GPa 78
47
Tensile Strength: Ultimate (UTS), MPa 620
900 to 1270

Thermal Properties

Latent Heat of Fusion, J/g 300
400
Melting Completion (Liquidus), °C 1410
1660
Melting Onset (Solidus), °C 1370
1600
Specific Heat Capacity, J/kg-K 480
520
Thermal Expansion, µm/m-K 14
9.6

Otherwise Unclassified Properties

Density, g/cm3 7.8
5.0
Embodied Carbon, kg CO2/kg material 3.7
52
Embodied Energy, MJ/kg 52
860
Embodied Water, L/kg 180
350

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
33
Strength to Weight: Axial, points 22
50 to 70
Strength to Weight: Bending, points 21
41 to 52
Thermal Shock Resistance, points 16
55 to 77

Alloy Composition

Aluminum (Al), % 0
3.0 to 4.0
Carbon (C), % 0.040 to 0.15
0 to 0.050
Chromium (Cr), % 22 to 25
5.5 to 6.5
Copper (Cu), % 0 to 0.75
0
Hydrogen (H), % 0
0 to 0.020
Iron (Fe), % 55.8 to 65.5
0 to 0.3
Manganese (Mn), % 0.5 to 2.5
0
Molybdenum (Mo), % 0 to 0.75
3.5 to 4.5
Nickel (Ni), % 12 to 14
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.12
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
71 to 77
Vanadium (V), % 0
7.5 to 8.5
Zirconium (Zr), % 0
3.5 to 4.5
Residuals, % 0
0 to 0.4