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Grade 24 Titanium vs. S21600 Stainless Steel

Grade 24 titanium belongs to the titanium alloys classification, while S21600 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is grade 24 titanium and the bottom bar is S21600 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 11
46
Fatigue Strength, MPa 550
360
Poisson's Ratio 0.32
0.28
Reduction in Area, % 28
56
Shear Modulus, GPa 40
79
Shear Strength, MPa 610
500
Tensile Strength: Ultimate (UTS), MPa 1010
710
Tensile Strength: Yield (Proof), MPa 940
390

Thermal Properties

Latent Heat of Fusion, J/g 410
290
Maximum Temperature: Mechanical, °C 340
990
Melting Completion (Liquidus), °C 1610
1420
Melting Onset (Solidus), °C 1560
1380
Specific Heat Capacity, J/kg-K 560
480
Thermal Expansion, µm/m-K 9.6
17

Otherwise Unclassified Properties

Density, g/cm3 4.5
7.7
Embodied Carbon, kg CO2/kg material 43
3.6
Embodied Energy, MJ/kg 710
50
Embodied Water, L/kg 310
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
270
Resilience: Unit (Modulus of Resilience), kJ/m3 4160
370
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 63
25
Strength to Weight: Bending, points 50
23
Thermal Shock Resistance, points 72
15

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0
Carbon (C), % 0 to 0.080
0 to 0.080
Chromium (Cr), % 0
17.5 to 22
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
57.6 to 67.8
Manganese (Mn), % 0
7.5 to 9.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0
5.0 to 7.0
Nitrogen (N), % 0 to 0.050
0.25 to 0.5
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 0.75
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 87.5 to 91
0
Vanadium (V), % 3.5 to 4.5
0
Residuals, % 0 to 0.4
0