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Grade 9 Titanium vs. EN 1.8523 Steel

Grade 9 titanium belongs to the titanium alloys classification, while EN 1.8523 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 1.8523 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 11 to 17
15
Fatigue Strength, MPa 330 to 480
530
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
74
Shear Strength, MPa 430 to 580
610
Tensile Strength: Ultimate (UTS), MPa 700 to 960
1000
Tensile Strength: Yield (Proof), MPa 540 to 830
800

Thermal Properties

Latent Heat of Fusion, J/g 410
260
Maximum Temperature: Mechanical, °C 330
480
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
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 37
4.2
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 36
2.2
Embodied Energy, MJ/kg 580
31
Embodied Water, L/kg 150
64

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 89 to 110
140
Resilience: Unit (Modulus of Resilience), kJ/m3 1380 to 3220
1700
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 43 to 60
36
Strength to Weight: Bending, points 39 to 48
28
Thermal Diffusivity, mm2/s 3.3
10
Thermal Shock Resistance, points 52 to 71
29

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
0
Carbon (C), % 0 to 0.080
0.35 to 0.45
Chromium (Cr), % 0
3.0 to 3.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
93.5 to 95.7
Manganese (Mn), % 0
0.4 to 0.7
Molybdenum (Mo), % 0
0.8 to 1.1
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.15
0
Phosphorus (P), % 0
0 to 0.035
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
0.15 to 0.25
Residuals, % 0 to 0.4
0