EN 1.4945 Stainless Steel vs. S15700 Stainless Steel
Both EN 1.4945 stainless steel and S15700 stainless steel are iron alloys. They have 85% of their average alloy composition in common.
For each property being compared, the top bar is EN 1.4945 stainless steel and the bottom bar is S15700 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 200 to 220 | |
| 200 to 460 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Elongation at Break, % | 19 to 34 | |
| 1.1 to 29 |
| Fatigue Strength, MPa | 230 to 350 | |
| 370 to 770 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 77 | |
| 77 |
| Shear Strength, MPa | 430 to 460 | |
| 770 to 1070 |
| Tensile Strength: Ultimate (UTS), MPa | 640 to 740 | |
| 1180 to 1890 |
| Tensile Strength: Yield (Proof), MPa | 290 to 550 | |
| 500 to 1770 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 290 |
| Maximum Temperature: Corrosion, °C | 520 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 920 | |
| 870 |
| Melting Completion (Liquidus), °C | 1490 | |
| 1440 |
| Melting Onset (Solidus), °C | 1440 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Conductivity, W/m-K | 14 | |
| 16 |
| Thermal Expansion, µm/m-K | 17 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.9 | |
| 2.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.2 | |
| 2.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 30 | |
| 15 |
| Density, g/cm3 | 8.1 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 5.0 | |
| 3.4 |
| Embodied Energy, MJ/kg | 73 | |
| 47 |
| Embodied Water, L/kg | 150 | |
| 140 |
Common Calculations
| PREN (Pitting Resistance) | 23 | |
| 23 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 130 to 180 | |
| 17 to 270 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 210 to 760 | |
| 640 to 4660 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 22 to 25 | |
| 42 to 67 |
| Strength to Weight: Bending, points | 20 to 22 | |
| 32 to 43 |
| Thermal Diffusivity, mm2/s | 3.7 | |
| 4.2 |
| Thermal Shock Resistance, points | 14 to 16 | |
| 39 to 63 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0.75 to 1.5 |
| Carbon (C), % | 0.040 to 0.1 | |
| 0 to 0.090 |
| Chromium (Cr), % | 15.5 to 17.5 | |
| 14 to 16 |
| Iron (Fe), % | 57.9 to 65.7 | |
| 69.6 to 76.8 |
| Manganese (Mn), % | 0 to 1.5 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0 | |
| 2.0 to 3.0 |
| Nickel (Ni), % | 15.5 to 17.5 | |
| 6.5 to 7.7 |
| Niobium (Nb), % | 0.4 to 1.2 | |
| 0 |
| Nitrogen (N), % | 0.060 to 0.14 | |
| 0 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 to 0.040 |
| Silicon (Si), % | 0.3 to 0.6 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.030 |
| Tungsten (W), % | 2.5 to 3.5 | |
| 0 |