EN 1.4305 Stainless Steel vs. EN 1.4446 Stainless Steel
Both EN 1.4305 stainless steel and EN 1.4446 stainless steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is EN 1.4305 stainless steel and the bottom bar is EN 1.4446 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 200 to 270 | |
140 |
Elastic (Young's, Tensile) Modulus, GPa | 200 | |
200 |
Elongation at Break, % | 14 to 40 | |
23 |
Fatigue Strength, MPa | 190 to 330 | |
160 |
Poisson's Ratio | 0.28 | |
0.28 |
Shear Modulus, GPa | 77 | |
79 |
Tensile Strength: Ultimate (UTS), MPa | 610 to 900 | |
490 |
Tensile Strength: Yield (Proof), MPa | 220 to 570 | |
240 |
Thermal Properties
Latent Heat of Fusion, J/g | 290 | |
290 |
Maximum Temperature: Corrosion, °C | 410 | |
410 |
Maximum Temperature: Mechanical, °C | 930 | |
980 |
Melting Completion (Liquidus), °C | 1420 | |
1460 |
Melting Onset (Solidus), °C | 1380 | |
1410 |
Specific Heat Capacity, J/kg-K | 480 | |
470 |
Thermal Conductivity, W/m-K | 15 | |
14 |
Thermal Expansion, µm/m-K | 16 | |
16 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 2.4 | |
2.2 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 2.7 | |
2.5 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 15 | |
22 |
Density, g/cm3 | 7.8 | |
7.9 |
Embodied Carbon, kg CO2/kg material | 3.0 | |
4.5 |
Embodied Energy, MJ/kg | 42 | |
60 |
Embodied Water, L/kg | 140 | |
160 |
Common Calculations
PREN (Pitting Resistance) | 19 | |
34 |
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 190 | |
93 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 120 to 830 | |
140 |
Stiffness to Weight: Axial, points | 14 | |
14 |
Stiffness to Weight: Bending, points | 25 | |
25 |
Strength to Weight: Axial, points | 22 to 32 | |
17 |
Strength to Weight: Bending, points | 20 to 27 | |
17 |
Thermal Diffusivity, mm2/s | 4.0 | |
3.6 |
Thermal Shock Resistance, points | 14 to 20 | |
11 |
Alloy Composition
Carbon (C), % | 0 to 0.1 | |
0 to 0.030 |
Chromium (Cr), % | 17 to 19 | |
16.5 to 18.5 |
Copper (Cu), % | 0 to 1.0 | |
0 |
Iron (Fe), % | 66.4 to 74.9 | |
59.7 to 66.9 |
Manganese (Mn), % | 0 to 2.0 | |
0 to 1.5 |
Molybdenum (Mo), % | 0 | |
4.0 to 4.5 |
Nickel (Ni), % | 8.0 to 10 | |
12.5 to 14.5 |
Nitrogen (N), % | 0 to 0.1 | |
0.12 to 0.22 |
Phosphorus (P), % | 0 to 0.045 | |
0 to 0.040 |
Silicon (Si), % | 0 to 1.0 | |
0 to 1.0 |
Sulfur (S), % | 0.15 to 0.35 | |
0 to 0.030 |