EN 1.4482 Stainless Steel vs. R30556 Alloy
Both EN 1.4482 stainless steel and R30556 alloy are iron alloys. They have 55% of their average alloy composition in common.
For each property being compared, the top bar is EN 1.4482 stainless steel and the bottom bar is R30556 alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 210 |
| Elongation at Break, % | 34 | |
| 45 |
| Fatigue Strength, MPa | 420 to 450 | |
| 320 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 78 | |
| 81 |
| Shear Strength, MPa | 510 to 530 | |
| 550 |
| Tensile Strength: Ultimate (UTS), MPa | 770 to 800 | |
| 780 |
| Tensile Strength: Yield (Proof), MPa | 530 to 570 | |
| 350 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 300 |
| Maximum Temperature: Corrosion, °C | 430 | |
| 450 |
| Maximum Temperature: Mechanical, °C | 980 | |
| 1100 |
| Melting Completion (Liquidus), °C | 1420 | |
| 1420 |
| Melting Onset (Solidus), °C | 1370 | |
| 1330 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 450 |
| Thermal Conductivity, W/m-K | 15 | |
| 11 |
| Thermal Expansion, µm/m-K | 13 | |
| 15 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.2 | |
| 1.8 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.6 | |
| 1.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 70 |
| Density, g/cm3 | 7.7 | |
| 8.4 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 8.7 |
| Embodied Energy, MJ/kg | 38 | |
| 130 |
| Embodied Water, L/kg | 150 | |
| 300 |
Common Calculations
| PREN (Pitting Resistance) | 24 | |
| 40 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 230 to 250 | |
| 290 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 690 to 820 | |
| 290 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 23 |
| Strength to Weight: Axial, points | 28 to 29 | |
| 26 |
| Strength to Weight: Bending, points | 24 to 25 | |
| 22 |
| Thermal Diffusivity, mm2/s | 4.0 | |
| 2.9 |
| Thermal Shock Resistance, points | 21 to 22 | |
| 18 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0.1 to 0.5 |
| Boron (B), % | 0 | |
| 0 to 0.020 |
| Carbon (C), % | 0 to 0.030 | |
| 0.050 to 0.15 |
| Chromium (Cr), % | 19.5 to 21.5 | |
| 21 to 23 |
| Cobalt (Co), % | 0 | |
| 16 to 21 |
| Copper (Cu), % | 0 to 1.0 | |
| 0 |
| Iron (Fe), % | 66.1 to 74.9 | |
| 20.4 to 38.2 |
| Lanthanum (La), % | 0 | |
| 0.0050 to 0.1 |
| Manganese (Mn), % | 4.0 to 6.0 | |
| 0.5 to 2.0 |
| Molybdenum (Mo), % | 0.1 to 0.6 | |
| 2.5 to 4.0 |
| Nickel (Ni), % | 1.5 to 3.5 | |
| 19 to 22.5 |
| Niobium (Nb), % | 0 | |
| 0 to 0.3 |
| Nitrogen (N), % | 0.050 to 0.2 | |
| 0.1 to 0.3 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 1.0 | |
| 0.2 to 0.8 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.015 |
| Tantalum (Ta), % | 0 | |
| 0.3 to 1.3 |
| Tungsten (W), % | 0 | |
| 2.0 to 3.5 |
| Zinc (Zn), % | 0 | |
| 0.0010 to 0.1 |