SAE-AISI 1108 Steel vs. ASTM A356 Grade 1
Both SAE-AISI 1108 steel and ASTM A356 grade 1 are iron alloys. Their average alloy composition is basically identical. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI 1108 steel and the bottom bar is ASTM A356 grade 1.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 23 to 34 | |
| 23 |
| Fatigue Strength, MPa | 170 to 260 | |
| 200 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Reduction in Area, % | 45 to 57 | |
| 39 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 380 to 440 | |
| 550 |
| Tensile Strength: Yield (Proof), MPa | 220 to 360 | |
| 280 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 400 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1460 |
| Melting Onset (Solidus), °C | 1420 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 52 | |
| 51 |
| Thermal Expansion, µm/m-K | 12 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.0 | |
| 7.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.0 | |
| 8.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.8 | |
| 1.8 |
| Density, g/cm3 | 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 1.4 |
| Embodied Energy, MJ/kg | 18 | |
| 18 |
| Embodied Water, L/kg | 46 | |
| 45 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 95 to 110 | |
| 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 130 to 340 | |
| 210 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 13 to 16 | |
| 20 |
| Strength to Weight: Bending, points | 15 to 16 | |
| 19 |
| Thermal Diffusivity, mm2/s | 14 | |
| 14 |
| Thermal Shock Resistance, points | 12 to 14 | |
| 18 |
Alloy Composition
| Carbon (C), % | 0.080 to 0.13 | |
| 0 to 0.35 |
| Iron (Fe), % | 98.9 to 99.24 | |
| 98.3 to 100 |
| Manganese (Mn), % | 0.6 to 0.8 | |
| 0 to 0.7 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 | |
| 0 to 0.6 |
| Sulfur (S), % | 0.080 to 0.13 | |
| 0 to 0.030 |