EN 1.7233 Steel vs. EN 1.7231 Steel
Both EN 1.7233 steel and EN 1.7231 steel are iron alloys. Their average alloy composition is basically identical. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is EN 1.7233 steel and the bottom bar is EN 1.7231 steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 210 to 290 | |
240 to 280 |
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
190 |
Elongation at Break, % | 18 to 23 | |
11 to 12 |
Fatigue Strength, MPa | 270 to 530 | |
360 to 500 |
Poisson's Ratio | 0.29 | |
0.29 |
Shear Modulus, GPa | 73 | |
73 |
Tensile Strength: Ultimate (UTS), MPa | 700 to 960 | |
790 to 930 |
Tensile Strength: Yield (Proof), MPa | 380 to 780 | |
570 to 800 |
Thermal Properties
Latent Heat of Fusion, J/g | 250 | |
250 |
Maximum Temperature: Mechanical, °C | 430 | |
420 |
Melting Completion (Liquidus), °C | 1460 | |
1460 |
Melting Onset (Solidus), °C | 1420 | |
1420 |
Specific Heat Capacity, J/kg-K | 470 | |
470 |
Thermal Conductivity, W/m-K | 39 | |
46 |
Thermal Expansion, µm/m-K | 13 | |
13 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 7.4 | |
7.3 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 8.5 | |
8.4 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 3.0 | |
2.5 |
Density, g/cm3 | 7.8 | |
7.8 |
Embodied Carbon, kg CO2/kg material | 1.6 | |
1.5 |
Embodied Energy, MJ/kg | 21 | |
20 |
Embodied Water, L/kg | 53 | |
51 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 200 | |
87 to 100 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 380 to 1630 | |
870 to 1700 |
Stiffness to Weight: Axial, points | 13 | |
13 |
Stiffness to Weight: Bending, points | 24 | |
24 |
Strength to Weight: Axial, points | 25 to 34 | |
28 to 33 |
Strength to Weight: Bending, points | 22 to 28 | |
24 to 27 |
Thermal Diffusivity, mm2/s | 11 | |
12 |
Thermal Shock Resistance, points | 21 to 28 | |
23 to 27 |
Alloy Composition
Carbon (C), % | 0.39 to 0.45 | |
0.38 to 0.45 |
Chromium (Cr), % | 1.2 to 1.5 | |
0.8 to 1.2 |
Iron (Fe), % | 96.2 to 97.5 | |
96.4 to 98.1 |
Manganese (Mn), % | 0.4 to 0.7 | |
0.6 to 1.0 |
Molybdenum (Mo), % | 0.5 to 0.7 | |
0.15 to 0.3 |
Phosphorus (P), % | 0 to 0.025 | |
0 to 0.025 |
Silicon (Si), % | 0 to 0.4 | |
0 to 0.6 |
Sulfur (S), % | 0 to 0.035 | |
0 to 0.030 |