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Grade 27 Titanium vs. AWS E312

Grade 27 titanium belongs to the titanium alloys classification, while AWS E312 belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is grade 27 titanium and the bottom bar is AWS E312.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 27
25
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 41
80
Tensile Strength: Ultimate (UTS), MPa 270
740

Thermal Properties

Latent Heat of Fusion, J/g 420
310
Melting Completion (Liquidus), °C 1660
1410
Melting Onset (Solidus), °C 1610
1360
Specific Heat Capacity, J/kg-K 540
480
Thermal Expansion, µm/m-K 8.7
15

Otherwise Unclassified Properties

Base Metal Price, % relative 37
20
Density, g/cm3 4.5
7.7
Embodied Carbon, kg CO2/kg material 33
3.6
Embodied Energy, MJ/kg 530
52
Embodied Water, L/kg 320
200

Common Calculations

Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 17
27
Strength to Weight: Bending, points 21
24
Thermal Shock Resistance, points 21
18

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.15
Chromium (Cr), % 0
28 to 32
Copper (Cu), % 0
0 to 0.75
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
52.3 to 63.5
Manganese (Mn), % 0
0.5 to 2.5
Molybdenum (Mo), % 0
0 to 0.75
Nickel (Ni), % 0
8.0 to 10.5
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.18
0
Phosphorus (P), % 0
0 to 0.040
Ruthenium (Ru), % 0.080 to 0.14
0
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 99 to 99.92
0
Residuals, % 0 to 0.4
0