EN 1.3975 Stainless Steel vs. ASTM Grade HL Steel
Both EN 1.3975 stainless steel and ASTM grade HL steel are iron alloys. They have 75% of their average alloy composition in common.
For each property being compared, the top bar is EN 1.3975 stainless steel and the bottom bar is ASTM grade HL steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 190 | |
| 150 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 27 | |
| 11 |
| Fatigue Strength, MPa | 230 | |
| 150 |
| Poisson's Ratio | 0.28 | |
| 0.27 |
| Shear Modulus, GPa | 76 | |
| 80 |
| Tensile Strength: Ultimate (UTS), MPa | 660 | |
| 500 |
| Tensile Strength: Yield (Proof), MPa | 320 | |
| 270 |
Thermal Properties
| Latent Heat of Fusion, J/g | 340 | |
| 320 |
| Maximum Temperature: Corrosion, °C | 410 | |
| 460 |
| Maximum Temperature: Mechanical, °C | 910 | |
| 1100 |
| Melting Completion (Liquidus), °C | 1360 | |
| 1390 |
| Melting Onset (Solidus), °C | 1320 | |
| 1340 |
| Specific Heat Capacity, J/kg-K | 500 | |
| 490 |
| Thermal Expansion, µm/m-K | 16 | |
| 17 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 15 | |
| 27 |
| Density, g/cm3 | 7.5 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 3.3 | |
| 4.5 |
| Embodied Energy, MJ/kg | 47 | |
| 65 |
| Embodied Water, L/kg | 150 | |
| 210 |
Common Calculations
| PREN (Pitting Resistance) | 21 | |
| 31 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 150 | |
| 48 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 270 | |
| 180 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 26 | |
| 25 |
| Strength to Weight: Axial, points | 24 | |
| 18 |
| Strength to Weight: Bending, points | 22 | |
| 18 |
| Thermal Shock Resistance, points | 15 | |
| 11 |
Alloy Composition
| Carbon (C), % | 0 to 0.050 | |
| 0.2 to 0.6 |
| Chromium (Cr), % | 16 to 18 | |
| 28 to 32 |
| Iron (Fe), % | 58.2 to 65.4 | |
| 40.8 to 53.8 |
| Manganese (Mn), % | 7.0 to 9.0 | |
| 0 to 2.0 |
| Molybdenum (Mo), % | 0 to 1.0 | |
| 0 to 0.5 |
| Nickel (Ni), % | 8.0 to 9.0 | |
| 18 to 22 |
| Nitrogen (N), % | 0.080 to 0.18 | |
| 0 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 to 0.040 |
| Silicon (Si), % | 3.5 to 4.5 | |
| 0 to 2.0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.040 |