EN 1.7230 Steel vs. S15500 Stainless Steel
Both EN 1.7230 steel and S15500 stainless steel are iron alloys. They have 78% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is EN 1.7230 steel and the bottom bar is S15500 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 220 to 270 | |
290 to 430 |
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
190 |
Elongation at Break, % | 11 to 12 | |
6.8 to 16 |
Fatigue Strength, MPa | 320 to 460 | |
350 to 650 |
Impact Strength: V-Notched Charpy, J | 29 to 30 | |
7.8 to 53 |
Poisson's Ratio | 0.29 | |
0.28 |
Shear Modulus, GPa | 73 | |
75 |
Tensile Strength: Ultimate (UTS), MPa | 720 to 910 | |
890 to 1490 |
Tensile Strength: Yield (Proof), MPa | 510 to 740 | |
590 to 1310 |
Thermal Properties
Latent Heat of Fusion, J/g | 250 | |
280 |
Maximum Temperature: Mechanical, °C | 420 | |
820 |
Melting Completion (Liquidus), °C | 1460 | |
1430 |
Melting Onset (Solidus), °C | 1420 | |
1380 |
Specific Heat Capacity, J/kg-K | 470 | |
480 |
Thermal Conductivity, W/m-K | 44 | |
17 |
Thermal Expansion, µm/m-K | 13 | |
11 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 7.3 | |
2.2 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 8.4 | |
2.5 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 2.4 | |
13 |
Density, g/cm3 | 7.8 | |
7.8 |
Embodied Carbon, kg CO2/kg material | 1.5 | |
2.7 |
Embodied Energy, MJ/kg | 20 | |
39 |
Embodied Water, L/kg | 51 | |
130 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 79 to 97 | |
98 to 120 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 700 to 1460 | |
890 to 4460 |
Stiffness to Weight: Axial, points | 13 | |
14 |
Stiffness to Weight: Bending, points | 24 | |
25 |
Strength to Weight: Axial, points | 26 to 32 | |
32 to 53 |
Strength to Weight: Bending, points | 23 to 27 | |
26 to 37 |
Thermal Diffusivity, mm2/s | 12 | |
4.6 |
Thermal Shock Resistance, points | 21 to 27 | |
30 to 50 |
Alloy Composition
Carbon (C), % | 0.3 to 0.37 | |
0 to 0.070 |
Chromium (Cr), % | 0.8 to 1.2 | |
14 to 15.5 |
Copper (Cu), % | 0 | |
2.5 to 4.5 |
Iron (Fe), % | 96.7 to 98.3 | |
71.9 to 79.9 |
Manganese (Mn), % | 0.5 to 0.8 | |
0 to 1.0 |
Molybdenum (Mo), % | 0.15 to 0.3 | |
0 |
Nickel (Ni), % | 0 | |
3.5 to 5.5 |
Niobium (Nb), % | 0 | |
0.15 to 0.45 |
Phosphorus (P), % | 0 to 0.025 | |
0 to 0.040 |
Silicon (Si), % | 0 to 0.6 | |
0 to 1.0 |
Sulfur (S), % | 0 to 0.030 | |
0 to 0.030 |