EN 1.4020 Stainless Steel vs. EN 1.4945 Stainless Steel
Both EN 1.4020 stainless steel and EN 1.4945 stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is EN 1.4020 stainless steel and the bottom bar is EN 1.4945 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 190 to 340 | |
| 200 to 220 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Elongation at Break, % | 13 to 34 | |
| 19 to 34 |
| Fatigue Strength, MPa | 340 to 540 | |
| 230 to 350 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 77 | |
| 77 |
| Shear Strength, MPa | 510 to 680 | |
| 430 to 460 |
| Tensile Strength: Ultimate (UTS), MPa | 770 to 1130 | |
| 640 to 740 |
| Tensile Strength: Yield (Proof), MPa | 430 to 950 | |
| 290 to 550 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 290 |
| Maximum Temperature: Corrosion, °C | 410 | |
| 520 |
| Maximum Temperature: Mechanical, °C | 890 | |
| 920 |
| Melting Completion (Liquidus), °C | 1390 | |
| 1490 |
| Melting Onset (Solidus), °C | 1350 | |
| 1440 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Expansion, µm/m-K | 17 | |
| 17 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 30 |
| Density, g/cm3 | 7.6 | |
| 8.1 |
| Embodied Carbon, kg CO2/kg material | 2.5 | |
| 5.0 |
| Embodied Energy, MJ/kg | 37 | |
| 73 |
| Embodied Water, L/kg | 150 | |
| 150 |
Common Calculations
| PREN (Pitting Resistance) | 23 | |
| 23 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 220 | |
| 130 to 180 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 460 to 2290 | |
| 210 to 760 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 28 to 41 | |
| 22 to 25 |
| Strength to Weight: Bending, points | 25 to 32 | |
| 20 to 22 |
| Thermal Shock Resistance, points | 16 to 23 | |
| 14 to 16 |
Alloy Composition
| Carbon (C), % | 0 to 0.15 | |
| 0.040 to 0.1 |
| Chromium (Cr), % | 16.5 to 19 | |
| 15.5 to 17.5 |
| Iron (Fe), % | 62.8 to 71.8 | |
| 57.9 to 65.7 |
| Manganese (Mn), % | 11 to 14 | |
| 0 to 1.5 |
| Nickel (Ni), % | 0.5 to 2.5 | |
| 15.5 to 17.5 |
| Niobium (Nb), % | 0 | |
| 0.4 to 1.2 |
| Nitrogen (N), % | 0.2 to 0.45 | |
| 0.060 to 0.14 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 to 1.0 | |
| 0.3 to 0.6 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.015 |
| Tungsten (W), % | 0 | |
| 2.5 to 3.5 |