EN 1.4110 Stainless Steel vs. R30556 Alloy
Both EN 1.4110 stainless steel and R30556 alloy are iron alloys. They have 45% of their average alloy composition in common.
For each property being compared, the top bar is EN 1.4110 stainless steel and the bottom bar is R30556 alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 210 |
| Elongation at Break, % | 11 to 14 | |
| 45 |
| Fatigue Strength, MPa | 250 to 730 | |
| 320 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 76 | |
| 81 |
| Shear Strength, MPa | 470 to 1030 | |
| 550 |
| Tensile Strength: Ultimate (UTS), MPa | 770 to 1720 | |
| 780 |
| Tensile Strength: Yield (Proof), MPa | 430 to 1330 | |
| 350 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 300 |
| Maximum Temperature: Corrosion, °C | 390 | |
| 450 |
| Maximum Temperature: Mechanical, °C | 790 | |
| 1100 |
| Melting Completion (Liquidus), °C | 1440 | |
| 1420 |
| Melting Onset (Solidus), °C | 1400 | |
| 1330 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 450 |
| Thermal Conductivity, W/m-K | 30 | |
| 11 |
| Thermal Expansion, µm/m-K | 11 | |
| 15 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.8 | |
| 1.8 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.2 | |
| 1.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 8.0 | |
| 70 |
| Density, g/cm3 | 7.7 | |
| 8.4 |
| Embodied Carbon, kg CO2/kg material | 2.3 | |
| 8.7 |
| Embodied Energy, MJ/kg | 33 | |
| 130 |
| Embodied Water, L/kg | 110 | |
| 300 |
Common Calculations
| PREN (Pitting Resistance) | 16 | |
| 40 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 90 to 180 | |
| 290 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 480 to 4550 | |
| 290 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 23 |
| Strength to Weight: Axial, points | 28 to 62 | |
| 26 |
| Strength to Weight: Bending, points | 24 to 41 | |
| 22 |
| Thermal Diffusivity, mm2/s | 8.1 | |
| 2.9 |
| Thermal Shock Resistance, points | 27 to 60 | |
| 18 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0.1 to 0.5 |
| Boron (B), % | 0 | |
| 0 to 0.020 |
| Carbon (C), % | 0.48 to 0.6 | |
| 0.050 to 0.15 |
| Chromium (Cr), % | 13 to 15 | |
| 21 to 23 |
| Cobalt (Co), % | 0 | |
| 16 to 21 |
| Iron (Fe), % | 81.4 to 86 | |
| 20.4 to 38.2 |
| Lanthanum (La), % | 0 | |
| 0.0050 to 0.1 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0.5 to 2.0 |
| Molybdenum (Mo), % | 0.5 to 0.8 | |
| 2.5 to 4.0 |
| Nickel (Ni), % | 0 | |
| 19 to 22.5 |
| Niobium (Nb), % | 0 | |
| 0 to 0.3 |
| Nitrogen (N), % | 0 | |
| 0.1 to 0.3 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 1.0 | |
| 0.2 to 0.8 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.015 |
| Tantalum (Ta), % | 0 | |
| 0.3 to 1.3 |
| Tungsten (W), % | 0 | |
| 2.0 to 3.5 |
| Vanadium (V), % | 0 to 0.15 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0.0010 to 0.1 |