EN 1.4640 Stainless Steel vs. AWS E309Mo
Both EN 1.4640 stainless steel and AWS E309Mo are iron alloys. They have 85% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is EN 1.4640 stainless steel and the bottom bar is AWS E309Mo.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 200 | |
200 |
Elongation at Break, % | 51 | |
34 |
Poisson's Ratio | 0.28 | |
0.28 |
Shear Modulus, GPa | 77 | |
79 |
Tensile Strength: Ultimate (UTS), MPa | 620 to 650 | |
620 |
Thermal Properties
Latent Heat of Fusion, J/g | 280 | |
300 |
Melting Completion (Liquidus), °C | 1420 | |
1430 |
Melting Onset (Solidus), °C | 1380 | |
1390 |
Specific Heat Capacity, J/kg-K | 480 | |
480 |
Thermal Conductivity, W/m-K | 15 | |
15 |
Thermal Expansion, µm/m-K | 16 | |
14 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 2.4 | |
2.1 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 2.7 | |
2.4 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 14 | |
22 |
Density, g/cm3 | 7.8 | |
7.9 |
Embodied Carbon, kg CO2/kg material | 2.8 | |
4.2 |
Embodied Energy, MJ/kg | 40 | |
59 |
Embodied Water, L/kg | 150 | |
180 |
Common Calculations
PREN (Pitting Resistance) | 20 | |
32 |
Stiffness to Weight: Axial, points | 14 | |
14 |
Stiffness to Weight: Bending, points | 25 | |
25 |
Strength to Weight: Axial, points | 22 to 23 | |
22 |
Strength to Weight: Bending, points | 21 | |
20 |
Thermal Diffusivity, mm2/s | 4.0 | |
3.9 |
Thermal Shock Resistance, points | 14 to 15 | |
15 |
Alloy Composition
Carbon (C), % | 0.030 to 0.080 | |
0 to 0.12 |
Chromium (Cr), % | 18 to 19 | |
22 to 25 |
Copper (Cu), % | 1.3 to 2.0 | |
0 to 0.75 |
Iron (Fe), % | 67.4 to 73.6 | |
53.6 to 63.5 |
Manganese (Mn), % | 1.5 to 4.0 | |
0.5 to 2.5 |
Molybdenum (Mo), % | 0 | |
2.0 to 3.0 |
Nickel (Ni), % | 5.5 to 6.9 | |
12 to 14 |
Nitrogen (N), % | 0.030 to 0.11 | |
0 |
Phosphorus (P), % | 0 to 0.045 | |
0 to 0.040 |
Silicon (Si), % | 0 to 0.5 | |
0 to 1.0 |
Sulfur (S), % | 0 to 0.015 | |
0 to 0.030 |