ASTM A356 Grade 2 vs. ASTM A148 Cast Steel
Both ASTM A356 grade 2 and ASTM A148 cast steel are iron alloys.
For each property being compared, the top bar is ASTM A356 grade 2 and the bottom bar is ASTM A148 cast steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 150 | |
| 190 to 390 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 25 | |
| 5.7 to 25 |
| Fatigue Strength, MPa | 200 | |
| 280 to 670 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Reduction in Area, % | 39 | |
| 13 to 45 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 510 | |
| 630 to 1300 |
| Tensile Strength: Yield (Proof), MPa | 270 | |
| 390 to 1160 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 410 | |
| 400 to 430 |
| Melting Completion (Liquidus), °C | 1470 | |
| 1460 |
| Melting Onset (Solidus), °C | 1430 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 51 | |
| 37 to 47 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.1 | |
| 7.3 to 7.5 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.2 | |
| 8.3 to 8.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.4 | |
| 2.3 to 3.3 |
| Density, g/cm3 | 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 1.5 to 1.7 |
| Embodied Energy, MJ/kg | 20 | |
| 20 to 22 |
| Embodied Water, L/kg | 47 | |
| 48 to 53 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 | |
| 71 to 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 190 | |
| 400 to 3570 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 18 | |
| 22 to 46 |
| Strength to Weight: Bending, points | 18 | |
| 21 to 34 |
| Thermal Diffusivity, mm2/s | 14 | |
| 9.9 to 13 |
| Thermal Shock Resistance, points | 15 | |
| 18 to 38 |