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Grade 1 Titanium vs. EN 1.6368 Steel

Grade 1 titanium belongs to the titanium alloys classification, while EN 1.6368 steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is grade 1 titanium and the bottom bar is EN 1.6368 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
200 to 210
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 28
18
Fatigue Strength, MPa 170
310 to 330
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 39
73
Shear Strength, MPa 200
410 to 430
Tensile Strength: Ultimate (UTS), MPa 310
660 to 690
Tensile Strength: Yield (Proof), MPa 220
460 to 490

Thermal Properties

Latent Heat of Fusion, J/g 420
250
Maximum Temperature: Mechanical, °C 320
410
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 20
40
Thermal Expansion, µm/m-K 8.8
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 37
3.4
Density, g/cm3 4.5
7.9
Embodied Carbon, kg CO2/kg material 31
1.7
Embodied Energy, MJ/kg 510
22
Embodied Water, L/kg 110
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
110
Resilience: Unit (Modulus of Resilience), kJ/m3 230
580 to 650
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 19
23 to 24
Strength to Weight: Bending, points 23
21 to 22
Thermal Diffusivity, mm2/s 8.2
11
Thermal Shock Resistance, points 24
20

Alloy Composition

Aluminum (Al), % 0
0.015 to 0.040
Carbon (C), % 0 to 0.080
0 to 0.17
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0
0.5 to 0.8
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
95.1 to 97.2
Manganese (Mn), % 0
0.8 to 1.2
Molybdenum (Mo), % 0
0.25 to 0.5
Nickel (Ni), % 0
1.0 to 1.3
Niobium (Nb), % 0
0.015 to 0.045
Nitrogen (N), % 0 to 0.030
0 to 0.020
Oxygen (O), % 0 to 0.18
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0.25 to 0.5
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 99.095 to 100
0
Residuals, % 0 to 0.4
0