R30556 Alloy vs. AISI 201LN Stainless Steel
Both R30556 alloy and AISI 201LN stainless steel are iron alloys. They have 52% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is R30556 alloy and the bottom bar is AISI 201LN stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 210 | |
| 200 |
| Elongation at Break, % | 45 | |
| 25 to 51 |
| Fatigue Strength, MPa | 320 | |
| 340 to 540 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 81 | |
| 77 |
| Shear Strength, MPa | 550 | |
| 530 to 680 |
| Tensile Strength: Ultimate (UTS), MPa | 780 | |
| 740 to 1060 |
| Tensile Strength: Yield (Proof), MPa | 350 | |
| 350 to 770 |
Thermal Properties
| Latent Heat of Fusion, J/g | 300 | |
| 280 |
| Maximum Temperature: Corrosion, °C | 450 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 1100 | |
| 880 |
| Melting Completion (Liquidus), °C | 1420 | |
| 1410 |
| 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 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.8 | |
| 2.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 1.9 | |
| 2.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 70 | |
| 12 |
| Density, g/cm3 | 8.4 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 8.7 | |
| 2.6 |
| Embodied Energy, MJ/kg | 130 | |
| 38 |
| Embodied Water, L/kg | 300 | |
| 140 |
Common Calculations
| PREN (Pitting Resistance) | 40 | |
| 20 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 290 | |
| 230 to 310 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 290 | |
| 310 to 1520 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 23 | |
| 25 |
| Strength to Weight: Axial, points | 26 | |
| 27 to 38 |
| Strength to Weight: Bending, points | 22 | |
| 24 to 30 |
| Thermal Diffusivity, mm2/s | 2.9 | |
| 4.0 |
| Thermal Shock Resistance, points | 18 | |
| 16 to 23 |
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 | |
| 16 to 17.5 |
| Cobalt (Co), % | 16 to 21 | |
| 0 |
| Copper (Cu), % | 0 | |
| 0 to 1.0 |
| Iron (Fe), % | 20.4 to 38.2 | |
| 67.9 to 73.5 |
| Lanthanum (La), % | 0.0050 to 0.1 | |
| 0 |
| Manganese (Mn), % | 0.5 to 2.0 | |
| 6.4 to 7.5 |
| Molybdenum (Mo), % | 2.5 to 4.0 | |
| 0 |
| Nickel (Ni), % | 19 to 22.5 | |
| 4.0 to 5.0 |
| Niobium (Nb), % | 0 to 0.3 | |
| 0 |
| Nitrogen (N), % | 0.1 to 0.3 | |
| 0.1 to 0.25 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.045 |
| Silicon (Si), % | 0.2 to 0.8 | |
| 0 to 0.75 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.015 |
| Tantalum (Ta), % | 0.3 to 1.3 | |
| 0 |
| Tungsten (W), % | 2.0 to 3.5 | |
| 0 |
| Zinc (Zn), % | 0.0010 to 0.1 | |
| 0 |