S17400 Stainless Steel vs. SAE-AISI 1095 Steel
Both S17400 stainless steel and SAE-AISI 1095 steel are iron alloys. They have 75% of their average alloy composition in common. There are 32 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 S17400 stainless steel and the bottom bar is SAE-AISI 1095 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 280 to 440 | |
| 200 to 270 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 11 to 21 | |
| 10 to 11 |
| Fatigue Strength, MPa | 380 to 670 | |
| 310 to 370 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Reduction in Area, % | 40 to 62 | |
| 28 to 45 |
| Shear Modulus, GPa | 75 | |
| 72 |
| Shear Strength, MPa | 570 to 830 | |
| 400 to 540 |
| Tensile Strength: Ultimate (UTS), MPa | 910 to 1390 | |
| 680 to 900 |
| Tensile Strength: Yield (Proof), MPa | 580 to 1250 | |
| 500 to 590 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 240 |
| Maximum Temperature: Mechanical, °C | 850 | |
| 400 |
| Melting Completion (Liquidus), °C | 1440 | |
| 1450 |
| Melting Onset (Solidus), °C | 1400 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 17 | |
| 47 |
| Thermal Expansion, µm/m-K | 11 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.3 | |
| 9.6 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.6 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 14 | |
| 1.8 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 1.4 |
| Embodied Energy, MJ/kg | 39 | |
| 19 |
| Embodied Water, L/kg | 130 | |
| 45 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 160 | |
| 63 to 84 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 880 to 4060 | |
| 660 to 930 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 32 to 49 | |
| 24 to 32 |
| Strength to Weight: Bending, points | 27 to 35 | |
| 22 to 26 |
| Thermal Diffusivity, mm2/s | 4.5 | |
| 13 |
| Thermal Shock Resistance, points | 30 to 46 | |
| 22 to 29 |
Alloy Composition
| Carbon (C), % | 0 to 0.070 | |
| 0.9 to 1.0 |
| Chromium (Cr), % | 15 to 17 | |
| 0 |
| Copper (Cu), % | 3.0 to 5.0 | |
| 0 |
| Iron (Fe), % | 70.4 to 78.9 | |
| 98.4 to 98.8 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0.3 to 0.5 |
| Nickel (Ni), % | 3.0 to 5.0 | |
| 0 |
| Niobium (Nb), % | 0.15 to 0.45 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.050 |