ASTM A148 Cast Steel vs. AISI 321 Stainless Steel
Both ASTM A148 cast steel and AISI 321 stainless steel are iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is ASTM A148 cast steel and the bottom bar is AISI 321 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 190 to 390 | |
| 170 to 210 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 5.7 to 25 | |
| 34 to 50 |
| Fatigue Strength, MPa | 280 to 670 | |
| 220 to 270 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 73 | |
| 77 |
| Tensile Strength: Ultimate (UTS), MPa | 630 to 1300 | |
| 590 to 690 |
| Tensile Strength: Yield (Proof), MPa | 390 to 1160 | |
| 220 to 350 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 290 |
| Maximum Temperature: Mechanical, °C | 400 to 430 | |
| 870 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1430 |
| Melting Onset (Solidus), °C | 1420 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Conductivity, W/m-K | 37 to 47 | |
| 16 |
| Thermal Expansion, µm/m-K | 13 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.3 to 7.5 | |
| 2.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.3 to 8.6 | |
| 2.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.3 to 3.3 | |
| 16 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.5 to 1.7 | |
| 3.2 |
| Embodied Energy, MJ/kg | 20 to 22 | |
| 45 |
| Embodied Water, L/kg | 48 to 53 | |
| 140 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 71 to 150 | |
| 190 to 230 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 400 to 3570 | |
| 130 to 310 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 22 to 46 | |
| 21 to 25 |
| Strength to Weight: Bending, points | 21 to 34 | |
| 20 to 22 |
| Thermal Diffusivity, mm2/s | 9.9 to 13 | |
| 4.1 |
| Thermal Shock Resistance, points | 18 to 38 | |
| 13 to 15 |