SAE-AISI 9310 Steel vs. EN 1.7725 Steel
Both SAE-AISI 9310 steel and EN 1.7725 steel are iron alloys. They have a very high 97% of their average alloy composition in common. 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 SAE-AISI 9310 steel and the bottom bar is EN 1.7725 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 540 to 610 | |
| 250 to 300 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 17 to 19 | |
| 14 |
| Fatigue Strength, MPa | 300 to 390 | |
| 390 to 550 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 820 to 910 | |
| 830 to 1000 |
| Tensile Strength: Yield (Proof), MPa | 450 to 570 | |
| 610 to 860 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 440 | |
| 440 |
| 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 | 48 | |
| 39 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.7 | |
| 7.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.9 | |
| 8.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 4.4 | |
| 2.9 |
| Density, g/cm3 | 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.8 | |
| 1.8 |
| Embodied Energy, MJ/kg | 24 | |
| 24 |
| Embodied Water, L/kg | 57 | |
| 54 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 to 150 | |
| 110 to 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 540 to 860 | |
| 980 to 1940 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 29 to 32 | |
| 29 to 35 |
| Strength to Weight: Bending, points | 25 to 27 | |
| 25 to 28 |
| Thermal Diffusivity, mm2/s | 13 | |
| 11 |
| Thermal Shock Resistance, points | 24 to 27 | |
| 24 to 29 |
Alloy Composition
| Carbon (C), % | 0.080 to 0.13 | |
| 0.27 to 0.34 |
| Chromium (Cr), % | 1.0 to 1.4 | |
| 1.3 to 1.7 |
| Iron (Fe), % | 93.8 to 95.2 | |
| 95.7 to 97.5 |
| Manganese (Mn), % | 0.45 to 0.65 | |
| 0.6 to 1.0 |
| Molybdenum (Mo), % | 0.080 to 0.15 | |
| 0.3 to 0.5 |
| Nickel (Ni), % | 3.0 to 3.5 | |
| 0 |
| Phosphorus (P), % | 0 to 0.015 | |
| 0 to 0.025 |
| Silicon (Si), % | 0.2 to 0.35 | |
| 0 to 0.6 |
| Sulfur (S), % | 0 to 0.012 | |
| 0 to 0.030 |
| Vanadium (V), % | 0 | |
| 0.050 to 0.15 |