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Grade 27 Titanium vs. AWS E385

Grade 27 titanium belongs to the titanium alloys classification, while AWS E385 belongs to the iron 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 grade 27 titanium and the bottom bar is AWS E385.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 27
34
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 41
79
Tensile Strength: Ultimate (UTS), MPa 270
580

Thermal Properties

Latent Heat of Fusion, J/g 420
300
Melting Completion (Liquidus), °C 1660
1440
Melting Onset (Solidus), °C 1610
1390
Specific Heat Capacity, J/kg-K 540
460
Thermal Conductivity, W/m-K 21
14
Thermal Expansion, µm/m-K 8.7
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 37
31
Density, g/cm3 4.5
8.1
Embodied Carbon, kg CO2/kg material 33
5.8
Embodied Energy, MJ/kg 530
79
Embodied Water, L/kg 320
200

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 17
20
Strength to Weight: Bending, points 21
19
Thermal Diffusivity, mm2/s 8.8
3.6
Thermal Shock Resistance, points 21
15

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 0
19.5 to 21.5
Copper (Cu), % 0
1.2 to 2.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
41.8 to 50.1
Manganese (Mn), % 0
1.0 to 2.5
Molybdenum (Mo), % 0
4.2 to 5.2
Nickel (Ni), % 0
24 to 26
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.18
0
Phosphorus (P), % 0
0 to 0.030
Ruthenium (Ru), % 0.080 to 0.14
0
Silicon (Si), % 0
0 to 0.9
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 99 to 99.92
0
Residuals, % 0 to 0.4
0