EN 1.7216 Steel vs. SAE-AISI 4150 Steel
Both EN 1.7216 steel and SAE-AISI 4150 steel are iron alloys. Their average alloy composition is basically identical.
For each property being compared, the top bar is EN 1.7216 steel and the bottom bar is SAE-AISI 4150 steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 200 to 280 | |
200 to 380 |
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
190 |
Elongation at Break, % | 12 to 23 | |
12 to 20 |
Fatigue Strength, MPa | 290 to 440 | |
260 to 780 |
Poisson's Ratio | 0.29 | |
0.29 |
Shear Modulus, GPa | 73 | |
73 |
Shear Strength, MPa | 410 to 560 | |
410 to 800 |
Tensile Strength: Ultimate (UTS), MPa | 650 to 930 | |
660 to 1310 |
Tensile Strength: Yield (Proof), MPa | 400 to 690 | |
380 to 1220 |
Thermal Properties
Latent Heat of Fusion, J/g | 250 | |
250 |
Maximum Temperature: Mechanical, °C | 420 | |
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 | 46 | |
42 |
Thermal Expansion, µm/m-K | 13 | |
13 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 7.2 | |
7.3 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 8.3 | |
8.4 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 2.4 | |
2.4 |
Density, g/cm3 | 7.8 | |
7.8 |
Embodied Carbon, kg CO2/kg material | 1.5 | |
1.5 |
Embodied Energy, MJ/kg | 20 | |
20 |
Embodied Water, L/kg | 50 | |
51 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 130 | |
82 to 180 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 430 to 1280 | |
380 to 3930 |
Stiffness to Weight: Axial, points | 13 | |
13 |
Stiffness to Weight: Bending, points | 24 | |
24 |
Strength to Weight: Axial, points | 23 to 33 | |
24 to 47 |
Strength to Weight: Bending, points | 21 to 27 | |
22 to 34 |
Thermal Diffusivity, mm2/s | 12 | |
11 |
Thermal Shock Resistance, points | 19 to 27 | |
19 to 39 |
Alloy Composition
Carbon (C), % | 0.27 to 0.34 | |
0.48 to 0.53 |
Chromium (Cr), % | 0.8 to 1.2 | |
0.8 to 1.1 |
Iron (Fe), % | 97.2 to 98.4 | |
96.7 to 97.7 |
Manganese (Mn), % | 0.35 to 0.6 | |
0.75 to 1.0 |
Molybdenum (Mo), % | 0.15 to 0.3 | |
0.15 to 0.25 |
Phosphorus (P), % | 0 to 0.035 | |
0 to 0.035 |
Silicon (Si), % | 0 to 0.35 | |
0.15 to 0.35 |
Sulfur (S), % | 0 to 0.035 | |
0 to 0.040 |