SAE-AISI 4620 Steel vs. SAE-AISI 1095 Steel
Both SAE-AISI 4620 steel and SAE-AISI 1095 steel are iron alloys. They have a very high 98% 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 4620 steel and the bottom bar is SAE-AISI 1095 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 150 to 210 | |
| 200 to 270 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 16 to 27 | |
| 10 to 11 |
| Fatigue Strength, MPa | 260 to 360 | |
| 310 to 370 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 72 |
| Shear Strength, MPa | 320 to 420 | |
| 400 to 540 |
| Tensile Strength: Ultimate (UTS), MPa | 490 to 680 | |
| 680 to 900 |
| Tensile Strength: Yield (Proof), MPa | 350 to 550 | |
| 500 to 590 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 240 |
| Maximum Temperature: Mechanical, °C | 410 | |
| 400 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1450 |
| Melting Onset (Solidus), °C | 1420 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 47 | |
| 47 |
| Thermal Expansion, µm/m-K | 13 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.3 | |
| 9.6 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.4 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 3.2 | |
| 1.8 |
| Density, g/cm3 | 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.6 | |
| 1.4 |
| Embodied Energy, MJ/kg | 22 | |
| 19 |
| Embodied Water, L/kg | 50 | |
| 45 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 100 to 120 | |
| 63 to 84 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 330 to 800 | |
| 660 to 930 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 17 to 24 | |
| 24 to 32 |
| Strength to Weight: Bending, points | 18 to 22 | |
| 22 to 26 |
| Thermal Diffusivity, mm2/s | 13 | |
| 13 |
| Thermal Shock Resistance, points | 15 to 20 | |
| 22 to 29 |
Alloy Composition
| Carbon (C), % | 0.17 to 0.22 | |
| 0.9 to 1.0 |
| Iron (Fe), % | 96.4 to 97.4 | |
| 98.4 to 98.8 |
| Manganese (Mn), % | 0.45 to 0.65 | |
| 0.3 to 0.5 |
| Molybdenum (Mo), % | 0.2 to 0.3 | |
| 0 |
| Nickel (Ni), % | 1.7 to 2.0 | |
| 0 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 to 0.040 |
| Silicon (Si), % | 0.15 to 0.35 | |
| 0 |
| Sulfur (S), % | 0 to 0.040 | |
| 0 to 0.050 |