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S35315 Stainless Steel vs. Grade 20 Titanium

S35315 stainless steel belongs to the iron alloys classification, while grade 20 titanium belongs to the titanium alloys. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is S35315 stainless steel and the bottom bar is grade 20 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 46
5.7 to 17
Fatigue Strength, MPa 280
550 to 630
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 78
47
Shear Strength, MPa 520
560 to 740
Tensile Strength: Ultimate (UTS), MPa 740
900 to 1270
Tensile Strength: Yield (Proof), MPa 300
850 to 1190

Thermal Properties

Latent Heat of Fusion, J/g 330
400
Maximum Temperature: Mechanical, °C 1100
370
Melting Completion (Liquidus), °C 1370
1660
Melting Onset (Solidus), °C 1330
1600
Specific Heat Capacity, J/kg-K 480
520
Thermal Expansion, µm/m-K 16
9.6

Otherwise Unclassified Properties

Density, g/cm3 7.9
5.0
Embodied Carbon, kg CO2/kg material 5.7
52
Embodied Energy, MJ/kg 81
860
Embodied Water, L/kg 220
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
71 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 230
2940 to 5760
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
33
Strength to Weight: Axial, points 26
50 to 70
Strength to Weight: Bending, points 23
41 to 52
Thermal Shock Resistance, points 17
55 to 77

Alloy Composition

Aluminum (Al), % 0
3.0 to 4.0
Carbon (C), % 0.040 to 0.080
0 to 0.050
Cerium (Ce), % 0.030 to 0.1
0
Chromium (Cr), % 24 to 26
5.5 to 6.5
Hydrogen (H), % 0
0 to 0.020
Iron (Fe), % 33.6 to 40.6
0 to 0.3
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 0
3.5 to 4.5
Nickel (Ni), % 34 to 36
0
Nitrogen (N), % 0.12 to 0.18
0 to 0.030
Oxygen (O), % 0
0 to 0.12
Palladium (Pd), % 0
0.040 to 0.080
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 1.2 to 2.0
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
71 to 77
Vanadium (V), % 0
7.5 to 8.5
Zirconium (Zr), % 0
3.5 to 4.5
Residuals, % 0
0 to 0.4