EN 1.4806 Stainless Steel vs. ACI-ASTM CK3MCuN Steel
Both EN 1.4806 stainless steel and ACI-ASTM CK3MCuN steel are iron alloys. They have 81% of their average alloy composition in common.
For each property being compared, the top bar is EN 1.4806 stainless steel and the bottom bar is ACI-ASTM CK3MCuN steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 140 | |
| 180 | 
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 | 
| Elongation at Break, % | 6.8 | |
| 39 | 
| Fatigue Strength, MPa | 120 | |
| 250 | 
| Poisson's Ratio | 0.28 | |
| 0.28 | 
| Shear Modulus, GPa | 75 | |
| 80 | 
| Tensile Strength: Ultimate (UTS), MPa | 470 | |
| 620 | 
| Tensile Strength: Yield (Proof), MPa | 250 | |
| 290 | 
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 300 | 
| Maximum Temperature: Corrosion, °C | 400 | |
| 420 | 
| Maximum Temperature: Mechanical, °C | 1000 | |
| 1090 | 
| Melting Completion (Liquidus), °C | 1380 | |
| 1460 | 
| Melting Onset (Solidus), °C | 1340 | |
| 1350 | 
| Specific Heat Capacity, J/kg-K | 480 | |
| 460 | 
| Thermal Conductivity, W/m-K | 12 | |
| 12 | 
| Thermal Expansion, µm/m-K | 15 | |
| 16 | 
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.7 | |
| 1.9 | 
| Electrical Conductivity: Equal Weight (Specific), % IACS | 1.9 | |
| 2.1 | 
Otherwise Unclassified Properties
| Base Metal Price, % relative | 31 | |
| 29 | 
| Density, g/cm3 | 8.0 | |
| 8.0 | 
| Embodied Carbon, kg CO2/kg material | 5.4 | |
| 5.6 | 
| Embodied Energy, MJ/kg | 76 | |
| 76 | 
| Embodied Water, L/kg | 190 | |
| 190 | 
Common Calculations
| PREN (Pitting Resistance) | 18 | |
| 45 | 
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 27 | |
| 200 | 
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 160 | |
| 210 | 
| Stiffness to Weight: Axial, points | 14 | |
| 14 | 
| Stiffness to Weight: Bending, points | 24 | |
| 24 | 
| Strength to Weight: Axial, points | 16 | |
| 21 | 
| Strength to Weight: Bending, points | 17 | |
| 20 | 
| Thermal Diffusivity, mm2/s | 3.1 | |
| 3.2 | 
| Thermal Shock Resistance, points | 11 | |
| 14 | 
Alloy Composition
| Carbon (C), % | 0.3 to 0.5 | |
| 0 to 0.025 | 
| Chromium (Cr), % | 16 to 18 | |
| 19.5 to 20.5 | 
| Copper (Cu), % | 0 | |
| 0.5 to 1.0 | 
| Iron (Fe), % | 40.4 to 48.7 | |
| 49.5 to 56.3 | 
| Manganese (Mn), % | 0 to 2.0 | |
| 0 to 1.2 | 
| Molybdenum (Mo), % | 0 to 0.5 | |
| 6.0 to 7.0 | 
| Nickel (Ni), % | 34 to 36 | |
| 17.5 to 19.5 | 
| Nitrogen (N), % | 0 | |
| 0.18 to 0.24 | 
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.045 | 
| Silicon (Si), % | 1.0 to 2.5 | |
| 0 to 1.0 | 
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.010 |