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