EN 1.7703 Steel vs. S45503 Stainless Steel
Both EN 1.7703 steel and S45503 stainless steel are iron alloys. They have 79% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is EN 1.7703 steel and the bottom bar is S45503 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 200 to 210 | |
| 410 to 500 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 20 | |
| 4.6 to 6.8 |
| Fatigue Strength, MPa | 320 to 340 | |
| 710 to 800 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 74 | |
| 75 |
| Shear Strength, MPa | 420 to 430 | |
| 940 to 1070 |
| Tensile Strength: Ultimate (UTS), MPa | 670 to 690 | |
| 1610 to 1850 |
| Tensile Strength: Yield (Proof), MPa | 460 to 500 | |
| 1430 to 1700 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 270 |
| Maximum Temperature: Mechanical, °C | 460 | |
| 760 |
| Melting Completion (Liquidus), °C | 1470 | |
| 1440 |
| Melting Onset (Solidus), °C | 1430 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Expansion, µm/m-K | 13 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 4.2 | |
| 15 |
| Density, g/cm3 | 7.9 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 2.5 | |
| 3.4 |
| Embodied Energy, MJ/kg | 35 | |
| 48 |
| Embodied Water, L/kg | 61 | |
| 120 |
Common Calculations
| PREN (Pitting Resistance) | 5.6 | |
| 13 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 to 130 | |
| 82 to 110 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 24 | |
| 57 to 65 |
| Strength to Weight: Bending, points | 22 | |
| 39 to 43 |
| Thermal Shock Resistance, points | 19 to 20 | |
| 56 to 64 |
Alloy Composition
| Carbon (C), % | 0.11 to 0.15 | |
| 0 to 0.010 |
| Chromium (Cr), % | 2.0 to 2.5 | |
| 11 to 12.5 |
| Copper (Cu), % | 0 to 0.2 | |
| 1.5 to 2.5 |
| Iron (Fe), % | 94.6 to 96.4 | |
| 72.4 to 78.9 |
| Manganese (Mn), % | 0.3 to 0.6 | |
| 0 to 0.5 |
| Molybdenum (Mo), % | 0.9 to 1.1 | |
| 0 to 0.5 |
| Nickel (Ni), % | 0 to 0.25 | |
| 7.5 to 9.5 |
| Niobium (Nb), % | 0 to 0.070 | |
| 0.1 to 0.5 |
| Nitrogen (N), % | 0 to 0.012 | |
| 0 |
| Phosphorus (P), % | 0 to 0.015 | |
| 0 to 0.010 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 to 0.2 |
| Sulfur (S), % | 0 to 0.0050 | |
| 0 to 0.010 |
| Titanium (Ti), % | 0 to 0.030 | |
| 1.0 to 1.4 |
| Vanadium (V), % | 0.25 to 0.35 | |
| 0 |