EN 1.4057 Stainless Steel vs. S21904 Stainless Steel
Both EN 1.4057 stainless steel and S21904 stainless steel are iron alloys. They have 83% 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 1.4057 stainless steel and the bottom bar is S21904 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 200 | |
200 |
Elongation at Break, % | 11 to 17 | |
17 to 51 |
Fatigue Strength, MPa | 320 to 430 | |
380 to 550 |
Poisson's Ratio | 0.28 | |
0.28 |
Shear Modulus, GPa | 77 | |
78 |
Shear Strength, MPa | 520 to 580 | |
510 to 620 |
Tensile Strength: Ultimate (UTS), MPa | 840 to 980 | |
700 to 1000 |
Tensile Strength: Yield (Proof), MPa | 530 to 790 | |
390 to 910 |
Thermal Properties
Latent Heat of Fusion, J/g | 280 | |
290 |
Maximum Temperature: Corrosion, °C | 400 | |
430 |
Maximum Temperature: Mechanical, °C | 850 | |
980 |
Melting Completion (Liquidus), °C | 1440 | |
1400 |
Melting Onset (Solidus), °C | 1390 | |
1350 |
Specific Heat Capacity, J/kg-K | 480 | |
480 |
Thermal Conductivity, W/m-K | 25 | |
14 |
Thermal Expansion, µm/m-K | 10 | |
17 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 2.5 | |
2.5 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 2.9 | |
2.9 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 9.5 | |
15 |
Density, g/cm3 | 7.7 | |
7.7 |
Embodied Carbon, kg CO2/kg material | 2.2 | |
3.0 |
Embodied Energy, MJ/kg | 32 | |
43 |
Embodied Water, L/kg | 120 | |
160 |
Common Calculations
PREN (Pitting Resistance) | 16 | |
25 |
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 96 to 130 | |
160 to 310 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 700 to 1610 | |
380 to 2070 |
Stiffness to Weight: Axial, points | 14 | |
14 |
Stiffness to Weight: Bending, points | 25 | |
25 |
Strength to Weight: Axial, points | 30 to 35 | |
25 to 36 |
Strength to Weight: Bending, points | 26 to 28 | |
23 to 29 |
Thermal Diffusivity, mm2/s | 6.7 | |
3.8 |
Thermal Shock Resistance, points | 30 to 35 | |
15 to 21 |
Alloy Composition
Carbon (C), % | 0.12 to 0.22 | |
0 to 0.040 |
Chromium (Cr), % | 15 to 17 | |
19 to 21.5 |
Iron (Fe), % | 77.7 to 83.4 | |
59.5 to 67.4 |
Manganese (Mn), % | 0 to 1.5 | |
8.0 to 10 |
Nickel (Ni), % | 1.5 to 2.5 | |
5.5 to 7.5 |
Nitrogen (N), % | 0 | |
0.15 to 0.4 |
Phosphorus (P), % | 0 to 0.040 | |
0 to 0.045 |
Silicon (Si), % | 0 to 1.0 | |
0 to 1.0 |
Sulfur (S), % | 0 to 0.015 | |
0 to 0.030 |