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Grade 27 Titanium vs. EN 1.5026 Steel

Grade 27 titanium belongs to the titanium alloys classification, while EN 1.5026 steel 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 EN 1.5026 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 41
72
Tensile Strength: Ultimate (UTS), MPa 270
660 to 1980

Thermal Properties

Latent Heat of Fusion, J/g 420
280
Maximum Temperature: Mechanical, °C 320
400
Melting Completion (Liquidus), °C 1660
1440
Melting Onset (Solidus), °C 1610
1390
Specific Heat Capacity, J/kg-K 540
480
Thermal Conductivity, W/m-K 21
47
Thermal Expansion, µm/m-K 8.7
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 37
1.9
Density, g/cm3 4.5
7.7
Embodied Carbon, kg CO2/kg material 33
1.5
Embodied Energy, MJ/kg 530
19
Embodied Water, L/kg 320
46

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 17
24 to 71
Strength to Weight: Bending, points 21
22 to 45
Thermal Diffusivity, mm2/s 8.8
13
Thermal Shock Resistance, points 21
20 to 60

Alloy Composition

Carbon (C), % 0 to 0.080
0.52 to 0.6
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
96.5 to 97.3
Manganese (Mn), % 0
0.6 to 0.9
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
1.6 to 2.0
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 99 to 99.92
0
Residuals, % 0 to 0.4
0