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Grade 13 Titanium vs. SAE-AISI 8822 Steel

Grade 13 titanium belongs to the titanium alloys classification, while SAE-AISI 8822 steel belongs to the iron alloys. There are 30 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 13 titanium and the bottom bar is SAE-AISI 8822 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 27
23
Fatigue Strength, MPa 140
270
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 41
73
Shear Strength, MPa 200
340
Tensile Strength: Ultimate (UTS), MPa 310
540
Tensile Strength: Yield (Proof), MPa 190
370

Thermal Properties

Latent Heat of Fusion, J/g 420
250
Maximum Temperature: Mechanical, °C 320
420
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
38
Thermal Expansion, µm/m-K 8.7
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 7.2
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 37
2.8
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 32
1.6
Embodied Energy, MJ/kg 520
21
Embodied Water, L/kg 210
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 73
110
Resilience: Unit (Modulus of Resilience), kJ/m3 180
360
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 19
19
Strength to Weight: Bending, points 22
19
Thermal Diffusivity, mm2/s 8.9
10
Thermal Shock Resistance, points 24
18

Alloy Composition

Carbon (C), % 0 to 0.080
0.2 to 0.25
Chromium (Cr), % 0
0.4 to 0.6
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
96.6 to 97.8
Manganese (Mn), % 0
0.75 to 1.0
Molybdenum (Mo), % 0
0.3 to 0.4
Nickel (Ni), % 0.4 to 0.6
0.4 to 0.7
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.1
0
Phosphorus (P), % 0
0 to 0.035
Ruthenium (Ru), % 0.040 to 0.060
0
Silicon (Si), % 0
0.15 to 0.35
Sulfur (S), % 0
0 to 0.040
Titanium (Ti), % 98.5 to 99.56
0
Residuals, % 0 to 0.4
0