EN 1.6580 Steel vs. EN 1.3956 Stainless Steel
Both EN 1.6580 steel and EN 1.3956 stainless steel are iron alloys. They have 62% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is EN 1.6580 steel and the bottom bar is EN 1.3956 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 11 to 19 | |
| 27 |
| Fatigue Strength, MPa | 310 to 610 | |
| 240 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 73 | |
| 79 |
| Tensile Strength: Ultimate (UTS), MPa | 720 to 1170 | |
| 650 |
| Tensile Strength: Yield (Proof), MPa | 460 to 990 | |
| 330 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 300 |
| Maximum Temperature: Mechanical, °C | 450 | |
| 1080 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1420 |
| Melting Onset (Solidus), °C | 1420 | |
| 1380 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 4.3 | |
| 22 |
| Density, g/cm3 | 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.8 | |
| 4.8 |
| Embodied Energy, MJ/kg | 23 | |
| 68 |
| Embodied Water, L/kg | 59 | |
| 180 |
Common Calculations
| PREN (Pitting Resistance) | 3.3 | |
| 34 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 to 130 | |
| 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 560 to 2590 | |
| 270 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 26 to 41 | |
| 23 |
| Strength to Weight: Bending, points | 23 to 31 | |
| 21 |
| Thermal Shock Resistance, points | 21 to 34 | |
| 18 |
Alloy Composition
| Carbon (C), % | 0.26 to 0.34 | |
| 0 to 0.060 |
| Chromium (Cr), % | 1.8 to 2.2 | |
| 20.5 to 23.5 |
| Iron (Fe), % | 93.7 to 95.5 | |
| 51.9 to 62.1 |
| Manganese (Mn), % | 0.3 to 0.6 | |
| 4.0 to 6.0 |
| Molybdenum (Mo), % | 0.3 to 0.5 | |
| 1.5 to 3.0 |
| Nickel (Ni), % | 1.8 to 2.2 | |
| 11.5 to 13.5 |
| Niobium (Nb), % | 0 | |
| 0.1 to 0.3 |
| Nitrogen (N), % | 0 | |
| 0.2 to 0.4 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 0.4 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.035 | |
| 0 to 0.030 |
| Vanadium (V), % | 0 | |
| 0.1 to 0.3 |