EN 1.1203 Steel vs. SAE-AISI 5130 Steel
Both EN 1.1203 steel and SAE-AISI 5130 steel are iron alloys. Their average alloy composition is basically identical.
For each property being compared, the top bar is EN 1.1203 steel and the bottom bar is SAE-AISI 5130 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 200 to 230 | |
| 150 to 190 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 12 to 15 | |
| 12 to 22 |
| Fatigue Strength, MPa | 210 to 310 | |
| 230 to 330 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 72 | |
| 73 |
| Shear Strength, MPa | 420 to 480 | |
| 310 to 390 |
| Tensile Strength: Ultimate (UTS), MPa | 690 to 780 | |
| 500 to 640 |
| Tensile Strength: Yield (Proof), MPa | 340 to 480 | |
| 330 to 530 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 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 | 48 | |
| 45 |
| Thermal Expansion, µm/m-K | 12 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.2 | |
| 7.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.3 | |
| 8.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.1 | |
| 2.2 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 1.4 |
| Embodied Energy, MJ/kg | 19 | |
| 19 |
| Embodied Water, L/kg | 47 | |
| 50 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 69 to 100 | |
| 74 to 98 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 310 to 610 | |
| 290 to 750 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 25 to 28 | |
| 18 to 23 |
| Strength to Weight: Bending, points | 22 to 24 | |
| 18 to 21 |
| Thermal Diffusivity, mm2/s | 13 | |
| 12 |
| Thermal Shock Resistance, points | 22 to 25 | |
| 16 to 20 |
Alloy Composition
| Carbon (C), % | 0.52 to 0.6 | |
| 0.28 to 0.33 |
| Chromium (Cr), % | 0 to 0.4 | |
| 0.8 to 1.1 |
| Iron (Fe), % | 97.1 to 98.9 | |
| 97.2 to 98.1 |
| Manganese (Mn), % | 0.6 to 0.9 | |
| 0.7 to 0.9 |
| Molybdenum (Mo), % | 0 to 0.1 | |
| 0 |
| Nickel (Ni), % | 0 to 0.4 | |
| 0 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 to 0.4 | |
| 0.15 to 0.35 |
| Sulfur (S), % | 0 to 0.035 | |
| 0 to 0.040 |