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Grade 27 Titanium vs. EN 1.7362 Steel

Grade 27 titanium belongs to the titanium alloys classification, while EN 1.7362 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is grade 27 titanium and the bottom bar is EN 1.7362 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 27
21 to 22
Fatigue Strength, MPa 170
140 to 250
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 41
74
Shear Strength, MPa 180
320 to 370
Tensile Strength: Ultimate (UTS), MPa 270
510 to 600
Tensile Strength: Yield (Proof), MPa 230
200 to 360

Thermal Properties

Latent Heat of Fusion, J/g 420
260
Maximum Temperature: Mechanical, °C 320
510
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
40
Thermal Expansion, µm/m-K 8.7
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
9.4

Otherwise Unclassified Properties

Base Metal Price, % relative 37
4.5
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 33
1.8
Embodied Energy, MJ/kg 530
23
Embodied Water, L/kg 320
69

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 70
90 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 240
100 to 340
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 17
18 to 21
Strength to Weight: Bending, points 21
18 to 20
Thermal Diffusivity, mm2/s 8.8
11
Thermal Shock Resistance, points 21
14 to 17

Alloy Composition

Carbon (C), % 0 to 0.080
0.1 to 0.15
Chromium (Cr), % 0
4.0 to 6.0
Copper (Cu), % 0
0 to 0.3
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
91.5 to 95.2
Manganese (Mn), % 0
0.3 to 0.6
Molybdenum (Mo), % 0
0.45 to 0.65
Nickel (Ni), % 0
0 to 0.3
Nitrogen (N), % 0 to 0.030
0 to 0.012
Oxygen (O), % 0 to 0.18
0
Phosphorus (P), % 0
0 to 0.020
Ruthenium (Ru), % 0.080 to 0.14
0
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.0050
Titanium (Ti), % 99 to 99.92
0
Residuals, % 0 to 0.4
0