EN 1.4301 Stainless Steel vs. Grade 33 Titanium
EN 1.4301 stainless steel belongs to the iron alloys classification, while grade 33 titanium belongs to the titanium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is EN 1.4301 stainless steel and the bottom bar is grade 33 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 200 | |
110 |
Elongation at Break, % | 14 to 46 | |
23 |
Fatigue Strength, MPa | 200 to 330 | |
250 |
Poisson's Ratio | 0.28 | |
0.32 |
Shear Modulus, GPa | 77 | |
41 |
Shear Strength, MPa | 430 to 550 | |
240 |
Tensile Strength: Ultimate (UTS), MPa | 610 to 900 | |
390 |
Tensile Strength: Yield (Proof), MPa | 220 to 570 | |
350 |
Thermal Properties
Latent Heat of Fusion, J/g | 290 | |
420 |
Maximum Temperature: Mechanical, °C | 940 | |
320 |
Melting Completion (Liquidus), °C | 1430 | |
1660 |
Melting Onset (Solidus), °C | 1380 | |
1610 |
Specific Heat Capacity, J/kg-K | 480 | |
540 |
Thermal Conductivity, W/m-K | 15 | |
21 |
Thermal Expansion, µm/m-K | 16 | |
8.7 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 2.4 | |
3.4 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 2.7 | |
6.9 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 15 | |
55 |
Density, g/cm3 | 7.8 | |
4.5 |
Embodied Carbon, kg CO2/kg material | 3.0 | |
33 |
Embodied Energy, MJ/kg | 43 | |
530 |
Embodied Water, L/kg | 140 | |
200 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 220 | |
86 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 120 to 820 | |
590 |
Stiffness to Weight: Axial, points | 14 | |
13 |
Stiffness to Weight: Bending, points | 25 | |
35 |
Strength to Weight: Axial, points | 22 to 32 | |
24 |
Strength to Weight: Bending, points | 20 to 27 | |
26 |
Thermal Diffusivity, mm2/s | 4.0 | |
8.7 |
Thermal Shock Resistance, points | 14 to 20 | |
30 |
Alloy Composition
Carbon (C), % | 0 to 0.070 | |
0 to 0.080 |
Chromium (Cr), % | 17.5 to 19.5 | |
0.1 to 0.2 |
Hydrogen (H), % | 0 | |
0 to 0.015 |
Iron (Fe), % | 66.8 to 74.5 | |
0 to 0.3 |
Manganese (Mn), % | 0 to 2.0 | |
0 |
Nickel (Ni), % | 8.0 to 10.5 | |
0.35 to 0.55 |
Nitrogen (N), % | 0 to 0.1 | |
0 to 0.030 |
Oxygen (O), % | 0 | |
0 to 0.25 |
Palladium (Pd), % | 0 | |
0.010 to 0.020 |
Phosphorus (P), % | 0 to 0.045 | |
0 |
Ruthenium (Ru), % | 0 | |
0.020 to 0.040 |
Silicon (Si), % | 0 to 1.0 | |
0 |
Sulfur (S), % | 0 to 0.015 | |
0 |
Titanium (Ti), % | 0 | |
98.1 to 99.52 |
Residuals, % | 0 | |
0 to 0.4 |