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Grade 20 Titanium vs. S32760 Stainless Steel

Grade 20 titanium belongs to the titanium alloys classification, while S32760 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 20 titanium and the bottom bar is S32760 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 5.7 to 17
28
Fatigue Strength, MPa 550 to 630
450
Poisson's Ratio 0.32
0.27
Reduction in Area, % 23
51
Shear Modulus, GPa 47
80
Shear Strength, MPa 560 to 740
550
Tensile Strength: Ultimate (UTS), MPa 900 to 1270
850
Tensile Strength: Yield (Proof), MPa 850 to 1190
620

Thermal Properties

Latent Heat of Fusion, J/g 400
300
Maximum Temperature: Mechanical, °C 370
1100
Melting Completion (Liquidus), °C 1660
1460
Melting Onset (Solidus), °C 1600
1410
Specific Heat Capacity, J/kg-K 520
470
Thermal Expansion, µm/m-K 9.6
13

Otherwise Unclassified Properties

Density, g/cm3 5.0
7.9
Embodied Carbon, kg CO2/kg material 52
4.1
Embodied Energy, MJ/kg 860
57
Embodied Water, L/kg 350
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 150
220
Resilience: Unit (Modulus of Resilience), kJ/m3 2940 to 5760
930
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 33
25
Strength to Weight: Axial, points 50 to 70
30
Strength to Weight: Bending, points 41 to 52
25
Thermal Shock Resistance, points 55 to 77
23

Alloy Composition

Aluminum (Al), % 3.0 to 4.0
0
Carbon (C), % 0 to 0.050
0 to 0.030
Chromium (Cr), % 5.5 to 6.5
24 to 26
Copper (Cu), % 0
0.5 to 1.0
Hydrogen (H), % 0 to 0.020
0
Iron (Fe), % 0 to 0.3
57.6 to 65.8
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 3.5 to 4.5
3.0 to 4.0
Nickel (Ni), % 0
6.0 to 8.0
Nitrogen (N), % 0 to 0.030
0.2 to 0.3
Oxygen (O), % 0 to 0.12
0
Palladium (Pd), % 0.040 to 0.080
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 71 to 77
0
Tungsten (W), % 0
0.5 to 1.0
Vanadium (V), % 7.5 to 8.5
0
Zirconium (Zr), % 3.5 to 4.5
0
Residuals, % 0 to 0.4
0