EN 1.0580 Steel vs. SAE-AISI 4621 Steel
Both EN 1.0580 steel and SAE-AISI 4621 steel are iron alloys. They have a very high 98% of their average alloy composition in common.
For each property being compared, the top bar is EN 1.0580 steel and the bottom bar is SAE-AISI 4621 steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 160 to 180 | |
150 |
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
190 |
Elongation at Break, % | 5.6 to 25 | |
27 |
Fatigue Strength, MPa | 210 to 270 | |
270 |
Poisson's Ratio | 0.29 | |
0.29 |
Shear Modulus, GPa | 73 | |
73 |
Shear Strength, MPa | 340 to 360 | |
320 |
Tensile Strength: Ultimate (UTS), MPa | 540 to 620 | |
500 |
Tensile Strength: Yield (Proof), MPa | 290 to 450 | |
360 |
Thermal Properties
Latent Heat of Fusion, J/g | 250 | |
250 |
Maximum Temperature: Mechanical, °C | 400 | |
410 |
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 | 51 | |
46 |
Thermal Expansion, µm/m-K | 12 | |
13 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 7.2 | |
7.4 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 8.2 | |
8.4 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 1.8 | |
3.3 |
Density, g/cm3 | 7.8 | |
7.9 |
Embodied Carbon, kg CO2/kg material | 1.4 | |
1.6 |
Embodied Energy, MJ/kg | 18 | |
22 |
Embodied Water, L/kg | 46 | |
50 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 31 to 120 | |
120 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 230 to 540 | |
340 |
Stiffness to Weight: Axial, points | 13 | |
13 |
Stiffness to Weight: Bending, points | 24 | |
24 |
Strength to Weight: Axial, points | 19 to 22 | |
18 |
Strength to Weight: Bending, points | 19 to 21 | |
18 |
Thermal Diffusivity, mm2/s | 14 | |
12 |
Thermal Shock Resistance, points | 17 to 20 | |
15 |
Alloy Composition
Carbon (C), % | 0 to 0.22 | |
0.18 to 0.23 |
Iron (Fe), % | 97.5 to 100 | |
96.1 to 97.1 |
Manganese (Mn), % | 0 to 1.6 | |
0.7 to 0.9 |
Molybdenum (Mo), % | 0 | |
0.2 to 0.3 |
Nickel (Ni), % | 0 | |
1.7 to 2.0 |
Phosphorus (P), % | 0 to 0.045 | |
0 to 0.035 |
Silicon (Si), % | 0 to 0.55 | |
0.15 to 0.35 |
Sulfur (S), % | 0 to 0.045 | |
0 to 0.040 |