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 |