EN 1.4405 Stainless Steel vs. EN 1.4938 Stainless Steel
Both EN 1.4405 stainless steel and EN 1.4938 stainless steel are iron alloys. They have a moderately high 93% of their average alloy composition in common. There are 31 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 1.4405 stainless steel and the bottom bar is EN 1.4938 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 200 | |
200 |
Elongation at Break, % | 17 | |
16 to 17 |
Fatigue Strength, MPa | 370 | |
390 to 520 |
Poisson's Ratio | 0.28 | |
0.28 |
Shear Modulus, GPa | 77 | |
76 |
Tensile Strength: Ultimate (UTS), MPa | 860 | |
870 to 1030 |
Tensile Strength: Yield (Proof), MPa | 610 | |
640 to 870 |
Thermal Properties
Latent Heat of Fusion, J/g | 280 | |
270 |
Maximum Temperature: Corrosion, °C | 410 | |
390 |
Maximum Temperature: Mechanical, °C | 870 | |
750 |
Melting Completion (Liquidus), °C | 1450 | |
1460 |
Melting Onset (Solidus), °C | 1400 | |
1420 |
Specific Heat Capacity, J/kg-K | 480 | |
470 |
Thermal Conductivity, W/m-K | 17 | |
30 |
Thermal Expansion, µm/m-K | 11 | |
11 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 2.2 | |
2.9 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 2.5 | |
3.3 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 13 | |
10 |
Density, g/cm3 | 7.8 | |
7.8 |
Embodied Carbon, kg CO2/kg material | 2.8 | |
3.3 |
Embodied Energy, MJ/kg | 39 | |
47 |
Embodied Water, L/kg | 130 | |
110 |
Common Calculations
PREN (Pitting Resistance) | 20 | |
18 |
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 130 | |
140 to 160 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 950 | |
1050 to 1920 |
Stiffness to Weight: Axial, points | 14 | |
14 |
Stiffness to Weight: Bending, points | 25 | |
25 |
Strength to Weight: Axial, points | 31 | |
31 to 37 |
Strength to Weight: Bending, points | 26 | |
26 to 29 |
Thermal Diffusivity, mm2/s | 4.6 | |
8.1 |
Thermal Shock Resistance, points | 29 | |
30 to 35 |
Alloy Composition
Carbon (C), % | 0 to 0.060 | |
0.080 to 0.15 |
Chromium (Cr), % | 15 to 17 | |
11 to 12.5 |
Iron (Fe), % | 73.6 to 80.3 | |
80.5 to 84.8 |
Manganese (Mn), % | 0 to 1.0 | |
0.4 to 0.9 |
Molybdenum (Mo), % | 0.7 to 1.5 | |
1.5 to 2.0 |
Nickel (Ni), % | 4.0 to 6.0 | |
2.0 to 3.0 |
Nitrogen (N), % | 0 | |
0.020 to 0.040 |
Phosphorus (P), % | 0 to 0.035 | |
0 to 0.025 |
Silicon (Si), % | 0 to 0.8 | |
0 to 0.5 |
Sulfur (S), % | 0 to 0.025 | |
0 to 0.015 |
Vanadium (V), % | 0 | |
0.25 to 0.4 |