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Grade 27 Titanium vs. AWS E320

Grade 27 titanium belongs to the titanium alloys classification, while AWS E320 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 E320.

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
77
Tensile Strength: Ultimate (UTS), MPa 270
620

Thermal Properties

Latent Heat of Fusion, J/g 420
300
Melting Completion (Liquidus), °C 1660
1410
Melting Onset (Solidus), °C 1610
1360
Specific Heat Capacity, J/kg-K 540
460
Thermal Expansion, µm/m-K 8.7
14

Otherwise Unclassified Properties

Base Metal Price, % relative 37
38
Density, g/cm3 4.5
8.2
Embodied Carbon, kg CO2/kg material 33
6.5
Embodied Energy, MJ/kg 530
91
Embodied Water, L/kg 320
220

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 17
21
Strength to Weight: Bending, points 21
20
Thermal Shock Resistance, points 21
16

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.070
Chromium (Cr), % 0
19 to 21
Copper (Cu), % 0
3.0 to 4.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
31.8 to 43.5
Manganese (Mn), % 0
0.5 to 2.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0
32 to 36
Niobium (Nb), % 0
0 to 1.0
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 0.6
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 99 to 99.92
0
Residuals, % 0 to 0.4
0