S20910 Stainless Steel vs. Titanium 4-4-2
S20910 stainless steel belongs to the iron alloys classification, while titanium 4-4-2 belongs to the titanium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is S20910 stainless steel and the bottom bar is titanium 4-4-2.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 200 | |
110 |
Elongation at Break, % | 14 to 39 | |
10 |
Fatigue Strength, MPa | 310 to 460 | |
590 to 620 |
Poisson's Ratio | 0.28 | |
0.32 |
Reduction in Area, % | 56 to 62 | |
20 |
Shear Modulus, GPa | 79 | |
42 |
Shear Strength, MPa | 500 to 570 | |
690 to 750 |
Tensile Strength: Ultimate (UTS), MPa | 780 to 940 | |
1150 to 1250 |
Tensile Strength: Yield (Proof), MPa | 430 to 810 | |
1030 to 1080 |
Thermal Properties
Latent Heat of Fusion, J/g | 300 | |
410 |
Maximum Temperature: Mechanical, °C | 1080 | |
310 |
Melting Completion (Liquidus), °C | 1420 | |
1610 |
Melting Onset (Solidus), °C | 1380 | |
1560 |
Specific Heat Capacity, J/kg-K | 480 | |
540 |
Thermal Conductivity, W/m-K | 13 | |
6.7 |
Thermal Expansion, µm/m-K | 16 | |
8.6 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 22 | |
39 |
Density, g/cm3 | 7.8 | |
4.7 |
Embodied Carbon, kg CO2/kg material | 4.8 | |
30 |
Embodied Energy, MJ/kg | 68 | |
480 |
Embodied Water, L/kg | 180 | |
180 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 to 260 | |
110 to 120 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 460 to 1640 | |
4700 to 5160 |
Stiffness to Weight: Axial, points | 14 | |
13 |
Stiffness to Weight: Bending, points | 25 | |
34 |
Strength to Weight: Axial, points | 28 to 33 | |
68 to 74 |
Strength to Weight: Bending, points | 24 to 27 | |
52 to 55 |
Thermal Diffusivity, mm2/s | 3.6 | |
2.6 |
Thermal Shock Resistance, points | 17 to 21 | |
86 to 93 |
Alloy Composition
Aluminum (Al), % | 0 | |
3.0 to 5.0 |
Carbon (C), % | 0 to 0.060 | |
0 to 0.080 |
Chromium (Cr), % | 20.5 to 23.5 | |
0 |
Hydrogen (H), % | 0 | |
0 to 0.015 |
Iron (Fe), % | 52.1 to 62.1 | |
0 to 0.2 |
Manganese (Mn), % | 4.0 to 6.0 | |
0 |
Molybdenum (Mo), % | 1.5 to 3.0 | |
3.0 to 5.0 |
Nickel (Ni), % | 11.5 to 13.5 | |
0 |
Niobium (Nb), % | 0.1 to 0.3 | |
0 |
Nitrogen (N), % | 0.2 to 0.4 | |
0 to 0.050 |
Oxygen (O), % | 0 | |
0 to 0.25 |
Phosphorus (P), % | 0 to 0.040 | |
0 |
Silicon (Si), % | 0 to 0.75 | |
0.3 to 0.7 |
Sulfur (S), % | 0 to 0.030 | |
0 |
Tin (Sn), % | 0 | |
1.5 to 2.5 |
Titanium (Ti), % | 0 | |
85.8 to 92.2 |
Vanadium (V), % | 0.1 to 0.3 | |
0 |
Residuals, % | 0 | |
0 to 0.4 |