Cold Rolled EN 1.4640 vs. EN 1.4310 +C800 Steel
Both cold rolled EN 1.4640 and EN 1.4310 +C800 steel are iron alloys. Both are furnished in the cold worked (strain hardened) condition. They have a very high 96% of their average alloy composition in common.
For each property being compared, the top bar is cold rolled EN 1.4640 and the bottom bar is EN 1.4310 +C800 steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 200 | |
270 |
Elastic (Young's, Tensile) Modulus, GPa | 200 | |
200 |
Elongation at Break, % | 51 | |
14 |
Fatigue Strength, MPa | 250 | |
330 |
Poisson's Ratio | 0.28 | |
0.28 |
Shear Modulus, GPa | 77 | |
77 |
Shear Strength, MPa | 460 | |
550 |
Tensile Strength: Ultimate (UTS), MPa | 650 | |
900 |
Tensile Strength: Yield (Proof), MPa | 260 | |
570 |
Thermal Properties
Latent Heat of Fusion, J/g | 280 | |
290 |
Maximum Temperature: Corrosion, °C | 420 | |
410 |
Maximum Temperature: Mechanical, °C | 930 | |
910 |
Melting Completion (Liquidus), °C | 1420 | |
1420 |
Melting Onset (Solidus), °C | 1380 | |
1380 |
Specific Heat Capacity, J/kg-K | 480 | |
480 |
Thermal Conductivity, W/m-K | 15 | |
15 |
Thermal Expansion, µm/m-K | 16 | |
18 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 2.4 | |
2.4 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 2.7 | |
2.7 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 14 | |
14 |
Density, g/cm3 | 7.8 | |
7.8 |
Embodied Carbon, kg CO2/kg material | 2.8 | |
2.9 |
Embodied Energy, MJ/kg | 40 | |
42 |
Embodied Water, L/kg | 150 | |
140 |
Common Calculations
PREN (Pitting Resistance) | 20 | |
20 |
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 260 | |
110 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 170 | |
830 |
Stiffness to Weight: Axial, points | 14 | |
14 |
Stiffness to Weight: Bending, points | 25 | |
25 |
Strength to Weight: Axial, points | 23 | |
32 |
Strength to Weight: Bending, points | 21 | |
27 |
Thermal Diffusivity, mm2/s | 4.0 | |
4.0 |
Thermal Shock Resistance, points | 15 | |
18 |
Alloy Composition
Carbon (C), % | 0.030 to 0.080 | |
0.050 to 0.15 |
Chromium (Cr), % | 18 to 19 | |
16 to 19 |
Copper (Cu), % | 1.3 to 2.0 | |
0 |
Iron (Fe), % | 67.4 to 73.6 | |
66.4 to 78 |
Manganese (Mn), % | 1.5 to 4.0 | |
0 to 2.0 |
Molybdenum (Mo), % | 0 | |
0 to 0.8 |
Nickel (Ni), % | 5.5 to 6.9 | |
6.0 to 9.5 |
Nitrogen (N), % | 0.030 to 0.11 | |
0 to 0.1 |
Phosphorus (P), % | 0 to 0.045 | |
0 to 0.045 |
Silicon (Si), % | 0 to 0.5 | |
0 to 2.0 |
Sulfur (S), % | 0 to 0.015 | |
0 to 0.015 |