EN 1.4307 Stainless Steel vs. SAE-AISI 1039 Steel
Both EN 1.4307 stainless steel and SAE-AISI 1039 steel are iron alloys. They have 72% of their average alloy composition in common. There are 31 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 EN 1.4307 stainless steel and the bottom bar is SAE-AISI 1039 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 180 to 270 | |
| 180 to 200 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 14 to 46 | |
| 14 to 18 |
| Fatigue Strength, MPa | 190 to 320 | |
| 230 to 370 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 77 | |
| 73 |
| Shear Strength, MPa | 410 to 550 | |
| 380 to 420 |
| Tensile Strength: Ultimate (UTS), MPa | 590 to 900 | |
| 610 to 690 |
| Tensile Strength: Yield (Proof), MPa | 200 to 570 | |
| 340 to 580 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 940 | |
| 400 |
| Melting Completion (Liquidus), °C | 1430 | |
| 1460 |
| Melting Onset (Solidus), °C | 1380 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 15 | |
| 51 |
| Thermal Expansion, µm/m-K | 16 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.4 | |
| 7.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.7 | |
| 8.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 15 | |
| 1.8 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 3.0 | |
| 1.4 |
| Embodied Energy, MJ/kg | 43 | |
| 18 |
| Embodied Water, L/kg | 140 | |
| 46 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 210 | |
| 88 to 94 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 100 to 810 | |
| 310 to 890 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 21 to 32 | |
| 22 to 24 |
| Strength to Weight: Bending, points | 20 to 27 | |
| 20 to 22 |
| Thermal Diffusivity, mm2/s | 4.0 | |
| 14 |
| Thermal Shock Resistance, points | 13 to 20 | |
| 19 to 22 |
Alloy Composition
| Carbon (C), % | 0 to 0.030 | |
| 0.37 to 0.44 |
| Chromium (Cr), % | 17.5 to 19.5 | |
| 0 |
| Iron (Fe), % | 66.8 to 74.5 | |
| 98.5 to 98.9 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0.7 to 1.0 |
| Nickel (Ni), % | 8.0 to 10.5 | |
| 0 |
| Nitrogen (N), % | 0 to 0.1 | |
| 0 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.050 |