EN 1.7725 Steel vs. S45503 Stainless Steel
Both EN 1.7725 steel and S45503 stainless steel are iron alloys. They have 78% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is EN 1.7725 steel and the bottom bar is S45503 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 250 to 300 | |
| 410 to 500 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 14 | |
| 4.6 to 6.8 |
| Fatigue Strength, MPa | 390 to 550 | |
| 710 to 800 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 73 | |
| 75 |
| Tensile Strength: Ultimate (UTS), MPa | 830 to 1000 | |
| 1610 to 1850 |
| Tensile Strength: Yield (Proof), MPa | 610 to 860 | |
| 1430 to 1700 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 270 |
| Maximum Temperature: Mechanical, °C | 440 | |
| 760 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1440 |
| Melting Onset (Solidus), °C | 1420 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Expansion, µm/m-K | 13 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.9 | |
| 15 |
| Density, g/cm3 | 7.8 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 1.8 | |
| 3.4 |
| Embodied Energy, MJ/kg | 24 | |
| 48 |
| Embodied Water, L/kg | 54 | |
| 120 |
Common Calculations
| PREN (Pitting Resistance) | 2.8 | |
| 13 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 130 | |
| 82 to 110 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 29 to 35 | |
| 57 to 65 |
| Strength to Weight: Bending, points | 25 to 28 | |
| 39 to 43 |
| Thermal Shock Resistance, points | 24 to 29 | |
| 56 to 64 |
Alloy Composition
| Carbon (C), % | 0.27 to 0.34 | |
| 0 to 0.010 |
| Chromium (Cr), % | 1.3 to 1.7 | |
| 11 to 12.5 |
| Copper (Cu), % | 0 | |
| 1.5 to 2.5 |
| Iron (Fe), % | 95.7 to 97.5 | |
| 72.4 to 78.9 |
| Manganese (Mn), % | 0.6 to 1.0 | |
| 0 to 0.5 |
| Molybdenum (Mo), % | 0.3 to 0.5 | |
| 0 to 0.5 |
| Nickel (Ni), % | 0 | |
| 7.5 to 9.5 |
| Niobium (Nb), % | 0 | |
| 0.1 to 0.5 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.010 |
| Silicon (Si), % | 0 to 0.6 | |
| 0 to 0.2 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.010 |
| Titanium (Ti), % | 0 | |
| 1.0 to 1.4 |
| Vanadium (V), % | 0.050 to 0.15 | |
| 0 |