EN 1.5508 Steel vs. EN 1.5501 Steel
Both EN 1.5508 steel and EN 1.5501 steel are iron alloys. Their average alloy composition is basically identical.
For each property being compared, the top bar is EN 1.5508 steel and the bottom bar is EN 1.5501 steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 130 to 180 | |
120 to 150 |
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
190 |
Elongation at Break, % | 11 to 20 | |
12 to 17 |
Fatigue Strength, MPa | 210 to 320 | |
180 to 270 |
Poisson's Ratio | 0.29 | |
0.29 |
Reduction in Area, % | 62 to 74 | |
63 to 73 |
Shear Modulus, GPa | 73 | |
73 |
Shear Strength, MPa | 300 to 360 | |
270 to 310 |
Tensile Strength: Ultimate (UTS), MPa | 420 to 1460 | |
390 to 510 |
Tensile Strength: Yield (Proof), MPa | 310 to 490 | |
260 to 420 |
Thermal Properties
Latent Heat of Fusion, J/g | 250 | |
250 |
Maximum Temperature: Mechanical, °C | 400 | |
400 |
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 | |
52 |
Thermal Expansion, µm/m-K | 13 | |
13 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 7.1 | |
7.0 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 8.2 | |
8.1 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 1.9 | |
1.8 |
Density, g/cm3 | 7.8 | |
7.9 |
Embodied Carbon, kg CO2/kg material | 1.4 | |
1.4 |
Embodied Energy, MJ/kg | 19 | |
18 |
Embodied Water, L/kg | 47 | |
46 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 44 to 230 | |
40 to 83 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 260 to 640 | |
190 to 460 |
Stiffness to Weight: Axial, points | 13 | |
13 |
Stiffness to Weight: Bending, points | 24 | |
24 |
Strength to Weight: Axial, points | 15 to 52 | |
14 to 18 |
Strength to Weight: Bending, points | 16 to 36 | |
15 to 18 |
Thermal Diffusivity, mm2/s | 14 | |
14 |
Thermal Shock Resistance, points | 12 to 43 | |
11 to 15 |
Alloy Composition
Boron (B), % | 0.00080 to 0.0050 | |
0.00080 to 0.0050 |
Carbon (C), % | 0.2 to 0.25 | |
0.13 to 0.16 |
Chromium (Cr), % | 0 to 0.3 | |
0 |
Copper (Cu), % | 0 to 0.25 | |
0 to 0.25 |
Iron (Fe), % | 97.9 to 99.199 | |
98.4 to 99.269 |
Manganese (Mn), % | 0.6 to 0.9 | |
0.6 to 0.8 |
Phosphorus (P), % | 0 to 0.025 | |
0 to 0.025 |
Silicon (Si), % | 0 to 0.3 | |
0 to 0.3 |
Sulfur (S), % | 0 to 0.025 | |
0 to 0.025 |