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Grade 24 Titanium vs. N08020 Stainless Steel

Grade 24 titanium belongs to the titanium alloys classification, while N08020 stainless steel belongs to the iron alloys. There are 29 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 24 titanium and the bottom bar is N08020 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 11
15 to 34
Fatigue Strength, MPa 550
210 to 240
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
77
Shear Strength, MPa 610
380 to 410
Tensile Strength: Ultimate (UTS), MPa 1010
610 to 620
Tensile Strength: Yield (Proof), MPa 940
270 to 420

Thermal Properties

Latent Heat of Fusion, J/g 410
300
Maximum Temperature: Mechanical, °C 340
1100
Melting Completion (Liquidus), °C 1610
1410
Melting Onset (Solidus), °C 1560
1360
Specific Heat Capacity, J/kg-K 560
460
Thermal Conductivity, W/m-K 7.1
12
Thermal Expansion, µm/m-K 9.6
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
1.8

Otherwise Unclassified Properties

Density, g/cm3 4.5
8.2
Embodied Carbon, kg CO2/kg material 43
6.6
Embodied Energy, MJ/kg 710
92
Embodied Water, L/kg 310
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
83 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 4160
180 to 440
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 63
21
Strength to Weight: Bending, points 50
20
Thermal Diffusivity, mm2/s 2.9
3.2
Thermal Shock Resistance, points 72
15

Alloy Composition


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Aluminum (Al), % 5.5 to 6.8
0
Carbon (C), % 0 to 0.080
0 to 0.070
Chromium (Cr), % 0
19 to 21
Copper (Cu), % 0
3.0 to 4.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
29.9 to 44
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0
32 to 38
Niobium (Nb), % 0
0 to 1.0
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.2
0
Palladium (Pd), % 0.040 to 0.080
0
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.035
Titanium (Ti), % 87.5 to 91
0
Vanadium (V), % 3.5 to 4.5
0
Residuals, % 0 to 0.4
0