SAE-AISI 9310 Steel vs. SAE-AISI 5140 Steel
Both SAE-AISI 9310 steel and SAE-AISI 5140 steel are iron alloys. They have a very high 96% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI 9310 steel and the bottom bar is SAE-AISI 5140 steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 540 to 610 | |
170 to 290 |
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
190 |
Elongation at Break, % | 17 to 19 | |
12 to 29 |
Fatigue Strength, MPa | 300 to 390 | |
220 to 570 |
Poisson's Ratio | 0.29 | |
0.29 |
Shear Modulus, GPa | 73 | |
73 |
Shear Strength, MPa | 510 to 570 | |
360 to 600 |
Tensile Strength: Ultimate (UTS), MPa | 820 to 910 | |
560 to 970 |
Tensile Strength: Yield (Proof), MPa | 450 to 570 | |
290 to 840 |
Thermal Properties
Latent Heat of Fusion, J/g | 250 | |
250 |
Maximum Temperature: Mechanical, °C | 440 | |
420 |
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 | |
45 |
Thermal Expansion, µm/m-K | 13 | |
13 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 7.7 | |
7.2 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 8.9 | |
8.3 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 4.4 | |
2.1 |
Density, g/cm3 | 7.9 | |
7.8 |
Embodied Carbon, kg CO2/kg material | 1.8 | |
1.4 |
Embodied Energy, MJ/kg | 24 | |
19 |
Embodied Water, L/kg | 57 | |
49 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 to 150 | |
76 to 180 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 540 to 860 | |
220 to 1880 |
Stiffness to Weight: Axial, points | 13 | |
13 |
Stiffness to Weight: Bending, points | 24 | |
24 |
Strength to Weight: Axial, points | 29 to 32 | |
20 to 34 |
Strength to Weight: Bending, points | 25 to 27 | |
19 to 28 |
Thermal Diffusivity, mm2/s | 13 | |
12 |
Thermal Shock Resistance, points | 24 to 27 | |
16 to 29 |
Alloy Composition
Carbon (C), % | 0.080 to 0.13 | |
0.38 to 0.43 |
Chromium (Cr), % | 1.0 to 1.4 | |
0.7 to 0.9 |
Iron (Fe), % | 93.8 to 95.2 | |
97.3 to 98.1 |
Manganese (Mn), % | 0.45 to 0.65 | |
0.7 to 0.9 |
Molybdenum (Mo), % | 0.080 to 0.15 | |
0 |
Nickel (Ni), % | 3.0 to 3.5 | |
0 |
Phosphorus (P), % | 0 to 0.015 | |
0 to 0.035 |
Silicon (Si), % | 0.2 to 0.35 | |
0.15 to 0.35 |
Sulfur (S), % | 0 to 0.012 | |
0 to 0.040 |