ASTM A225 Steel vs. N08020 Stainless Steel
Both ASTM A225 steel and N08020 stainless steel are iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is ASTM A225 steel and the bottom bar is N08020 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 21 to 23 | |
| 15 to 34 |
| Fatigue Strength, MPa | 330 to 390 | |
| 210 to 240 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 73 | |
| 77 |
| Shear Strength, MPa | 390 to 520 | |
| 380 to 410 |
| Tensile Strength: Ultimate (UTS), MPa | 620 to 830 | |
| 610 to 620 |
| Tensile Strength: Yield (Proof), MPa | 460 to 550 | |
| 270 to 420 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 300 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 1100 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1410 |
| Melting Onset (Solidus), °C | 1420 | |
| 1360 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 460 |
| Thermal Conductivity, W/m-K | 52 | |
| 12 |
| Thermal Expansion, µm/m-K | 13 | |
| 15 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.3 | |
| 1.6 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.4 | |
| 1.8 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.3 | |
| 38 |
| Density, g/cm3 | 7.8 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 1.8 | |
| 6.6 |
| Embodied Energy, MJ/kg | 24 to 25 | |
| 92 |
| Embodied Water, L/kg | 48 | |
| 220 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 to 170 | |
| 83 to 170 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 580 to 820 | |
| 180 to 440 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 22 to 29 | |
| 21 |
| Strength to Weight: Bending, points | 21 to 25 | |
| 20 |
| Thermal Diffusivity, mm2/s | 14 | |
| 3.2 |
| Thermal Shock Resistance, points | 18 to 24 | |
| 15 |