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Grade 32 Titanium vs. EN 1.7378 Steel

Grade 32 titanium belongs to the titanium alloys classification, while EN 1.7378 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 32 titanium and the bottom bar is EN 1.7378 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 11
17
Fatigue Strength, MPa 390
330
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
74
Shear Strength, MPa 460
430
Tensile Strength: Ultimate (UTS), MPa 770
700
Tensile Strength: Yield (Proof), MPa 670
490

Thermal Properties

Latent Heat of Fusion, J/g 410
260
Maximum Temperature: Mechanical, °C 310
460
Melting Completion (Liquidus), °C 1610
1470
Melting Onset (Solidus), °C 1560
1430
Specific Heat Capacity, J/kg-K 550
470
Thermal Conductivity, W/m-K 7.5
39
Thermal Expansion, µm/m-K 8.2
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 38
4.0
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 32
2.3
Embodied Energy, MJ/kg 530
33
Embodied Water, L/kg 180
61

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
110
Resilience: Unit (Modulus of Resilience), kJ/m3 2100
630
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 47
25
Strength to Weight: Bending, points 41
22
Thermal Diffusivity, mm2/s 3.0
10
Thermal Shock Resistance, points 63
20

Alloy Composition

Aluminum (Al), % 4.5 to 5.5
0 to 0.020
Boron (B), % 0
0.0015 to 0.0070
Carbon (C), % 0 to 0.080
0.050 to 0.1
Chromium (Cr), % 0
2.2 to 2.6
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
94.6 to 96.1
Manganese (Mn), % 0
0.3 to 0.7
Molybdenum (Mo), % 0.6 to 1.2
0.9 to 1.1
Nitrogen (N), % 0 to 0.030
0 to 0.010
Oxygen (O), % 0 to 0.11
0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0.060 to 0.14
0.15 to 0.45
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 0.6 to 1.4
0
Titanium (Ti), % 88.1 to 93
0.050 to 0.1
Vanadium (V), % 0.6 to 1.4
0.2 to 0.3
Zirconium (Zr), % 0.6 to 1.4
0
Residuals, % 0 to 0.4
0