ASTM A209 Steel vs. SAE-AISI 9310 Steel
Both ASTM A209 steel and SAE-AISI 9310 steel are iron alloys.
For each property being compared, the top bar is ASTM A209 steel and the bottom bar is SAE-AISI 9310 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 140 to 150 | |
| 540 to 610 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 34 | |
| 17 to 19 |
| Fatigue Strength, MPa | 180 to 200 | |
| 300 to 390 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Rockwell B Hardness | 77 to 81 | |
| 240 to 270 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Shear Strength, MPa | 280 to 310 | |
| 510 to 570 |
| Tensile Strength: Ultimate (UTS), MPa | 420 to 460 | |
| 820 to 910 |
| Tensile Strength: Yield (Proof), MPa | 220 to 250 | |
| 450 to 570 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 410 | |
| 440 |
| Melting Completion (Liquidus), °C | 1470 | |
| 1460 |
| Melting Onset (Solidus), °C | 1420 to 1430 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 50 | |
| 48 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.1 | |
| 7.7 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.1 to 8.2 | |
| 8.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.4 | |
| 4.4 |
| Density, g/cm3 | 7.9 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 1.8 |
| Embodied Energy, MJ/kg | 20 | |
| 24 |
| Embodied Water, L/kg | 47 | |
| 57 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 to 130 | |
| 120 to 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 130 to 170 | |
| 540 to 860 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 15 to 16 | |
| 29 to 32 |
| Strength to Weight: Bending, points | 16 to 17 | |
| 25 to 27 |
| Thermal Diffusivity, mm2/s | 13 | |
| 13 |
| Thermal Shock Resistance, points | 12 to 14 | |
| 24 to 27 |