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Grade 9 Titanium vs. EN 1.8516 Steel

Grade 9 titanium belongs to the titanium alloys classification, while EN 1.8516 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 9 titanium and the bottom bar is EN 1.8516 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 11 to 17
11
Fatigue Strength, MPa 330 to 480
570
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
74
Shear Strength, MPa 430 to 580
660
Tensile Strength: Ultimate (UTS), MPa 700 to 960
1100
Tensile Strength: Yield (Proof), MPa 540 to 830
910

Thermal Properties

Latent Heat of Fusion, J/g 410
260
Maximum Temperature: Mechanical, °C 330
470
Melting Completion (Liquidus), °C 1640
1460
Melting Onset (Solidus), °C 1590
1420
Specific Heat Capacity, J/kg-K 550
470
Thermal Conductivity, W/m-K 8.1
39
Thermal Expansion, µm/m-K 9.1
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 37
3.7
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 36
1.7
Embodied Energy, MJ/kg 580
22
Embodied Water, L/kg 150
61

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 89 to 110
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1380 to 3220
2190
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 43 to 60
39
Strength to Weight: Bending, points 39 to 48
30
Thermal Diffusivity, mm2/s 3.3
10
Thermal Shock Resistance, points 52 to 71
32

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
0
Carbon (C), % 0 to 0.080
0.2 to 0.27
Chromium (Cr), % 0
3.0 to 3.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
94.6 to 96.1
Manganese (Mn), % 0
0.4 to 0.7
Molybdenum (Mo), % 0
0.5 to 0.7
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.15
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0
0 to 0.035
Titanium (Ti), % 92.6 to 95.5
0
Vanadium (V), % 2.0 to 3.0
0
Residuals, % 0 to 0.4
0