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Grade 27 Titanium vs. AWS E70C-B2L

Grade 27 titanium belongs to the titanium alloys classification, while AWS E70C-B2L belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is grade 27 titanium and the bottom bar is AWS E70C-B2L.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 27
21
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 41
73
Tensile Strength: Ultimate (UTS), MPa 270
580
Tensile Strength: Yield (Proof), MPa 230
460

Thermal Properties

Latent Heat of Fusion, J/g 420
260
Melting Completion (Liquidus), °C 1660
1460
Melting Onset (Solidus), °C 1610
1420
Specific Heat Capacity, J/kg-K 540
470
Thermal Conductivity, W/m-K 21
39
Thermal Expansion, µm/m-K 8.7
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 37
3.0
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 33
1.6
Embodied Energy, MJ/kg 530
22
Embodied Water, L/kg 320
54

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 70
110
Resilience: Unit (Modulus of Resilience), kJ/m3 240
550
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 17
20
Strength to Weight: Bending, points 21
20
Thermal Diffusivity, mm2/s 8.8
11
Thermal Shock Resistance, points 21
17

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.050
Chromium (Cr), % 0
1.0 to 1.5
Copper (Cu), % 0
0 to 0.35
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
95.1 to 98
Manganese (Mn), % 0
0.4 to 1.0
Molybdenum (Mo), % 0
0.4 to 0.65
Nickel (Ni), % 0
0 to 0.2
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.18
0
Phosphorus (P), % 0
0 to 0.025
Ruthenium (Ru), % 0.080 to 0.14
0
Silicon (Si), % 0
0.25 to 0.6
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 99 to 99.92
0
Vanadium (V), % 0
0 to 0.030
Residuals, % 0
0 to 0.5