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Grade 36 Titanium vs. AISI 420F Stainless Steel

Grade 36 titanium belongs to the titanium alloys classification, while AISI 420F stainless steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is grade 36 titanium and the bottom bar is AISI 420F stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 11
18
Fatigue Strength, MPa 300
270
Poisson's Ratio 0.36
0.28
Shear Modulus, GPa 39
76
Shear Strength, MPa 320
460
Tensile Strength: Ultimate (UTS), MPa 530
740
Tensile Strength: Yield (Proof), MPa 520
430

Thermal Properties

Latent Heat of Fusion, J/g 370
270
Maximum Temperature: Mechanical, °C 320
760
Melting Completion (Liquidus), °C 2020
1440
Melting Onset (Solidus), °C 1950
1390
Specific Heat Capacity, J/kg-K 420
480
Thermal Expansion, µm/m-K 8.1
10

Otherwise Unclassified Properties

Density, g/cm3 6.3
7.7
Embodied Carbon, kg CO2/kg material 58
2.0
Embodied Energy, MJ/kg 920
28
Embodied Water, L/kg 130
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 59
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1260
480
Stiffness to Weight: Axial, points 9.3
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
27
Strength to Weight: Bending, points 23
23
Thermal Shock Resistance, points 45
27

Alloy Composition

Carbon (C), % 0 to 0.030
0.3 to 0.4
Chromium (Cr), % 0
12 to 14
Hydrogen (H), % 0 to 0.0035
0
Iron (Fe), % 0 to 0.030
82.4 to 87.6
Manganese (Mn), % 0
0 to 1.3
Molybdenum (Mo), % 0
0 to 0.5
Niobium (Nb), % 42 to 47
0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.16
0
Phosphorus (P), % 0
0 to 0.060
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0.15 to 0.35
Titanium (Ti), % 52.3 to 58
0
Residuals, % 0 to 0.4
0