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Grade 2 Titanium vs. EN 1.7365 Steel

Grade 2 titanium belongs to the titanium alloys classification, while EN 1.7365 steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is grade 2 titanium and the bottom bar is EN 1.7365 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
210
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 23
18
Fatigue Strength, MPa 250
320
Impact Strength: V-Notched Charpy, J 160
31
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 38
74
Tensile Strength: Ultimate (UTS), MPa 420
700
Tensile Strength: Yield (Proof), MPa 360
470

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 22
40
Thermal Expansion, µm/m-K 9.0
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
8.2
Electrical Conductivity: Equal Weight (Specific), % IACS 7.2
9.4

Otherwise Unclassified Properties

Base Metal Price, % relative 37
4.4
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 31
1.8
Embodied Energy, MJ/kg 510
24
Embodied Water, L/kg 110
70

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
110
Resilience: Unit (Modulus of Resilience), kJ/m3 600
580
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 26
25
Strength to Weight: Bending, points 28
22
Thermal Diffusivity, mm2/s 8.9
11
Thermal Shock Resistance, points 32
20

Alloy Composition

Carbon (C), % 0 to 0.080
0.12 to 0.19
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 0.3
91.2 to 94.9
Manganese (Mn), % 0
0.5 to 0.8
Molybdenum (Mo), % 0
0.45 to 0.65
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.8
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 98.9 to 100
0
Vanadium (V), % 0
0 to 0.050
Residuals, % 0 to 0.4
0