EN 1.7231 Steel vs. S45503 Stainless Steel
Both EN 1.7231 steel and S45503 stainless steel are iron alloys. They have 77% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.
For each property being compared, the top bar is EN 1.7231 steel and the bottom bar is S45503 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 240 to 280 | |
410 to 500 |
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
190 |
Elongation at Break, % | 11 to 12 | |
4.6 to 6.8 |
Fatigue Strength, MPa | 360 to 500 | |
710 to 800 |
Poisson's Ratio | 0.29 | |
0.28 |
Shear Modulus, GPa | 73 | |
75 |
Tensile Strength: Ultimate (UTS), MPa | 790 to 930 | |
1610 to 1850 |
Tensile Strength: Yield (Proof), MPa | 570 to 800 | |
1430 to 1700 |
Thermal Properties
Latent Heat of Fusion, J/g | 250 | |
270 |
Maximum Temperature: Mechanical, °C | 420 | |
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 | 2.5 | |
15 |
Density, g/cm3 | 7.8 | |
7.9 |
Embodied Carbon, kg CO2/kg material | 1.5 | |
3.4 |
Embodied Energy, MJ/kg | 20 | |
48 |
Embodied Water, L/kg | 51 | |
120 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 87 to 100 | |
82 to 110 |
Stiffness to Weight: Axial, points | 13 | |
14 |
Stiffness to Weight: Bending, points | 24 | |
24 |
Strength to Weight: Axial, points | 28 to 33 | |
57 to 65 |
Strength to Weight: Bending, points | 24 to 27 | |
39 to 43 |
Thermal Shock Resistance, points | 23 to 27 | |
56 to 64 |
Alloy Composition
Carbon (C), % | 0.38 to 0.45 | |
0 to 0.010 |
Chromium (Cr), % | 0.8 to 1.2 | |
11 to 12.5 |
Copper (Cu), % | 0 | |
1.5 to 2.5 |
Iron (Fe), % | 96.4 to 98.1 | |
72.4 to 78.9 |
Manganese (Mn), % | 0.6 to 1.0 | |
0 to 0.5 |
Molybdenum (Mo), % | 0.15 to 0.3 | |
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 |