SAE-AISI 1141 Steel vs. EN 1.4378 Stainless Steel
Both SAE-AISI 1141 steel and EN 1.4378 stainless steel are iron alloys. They have 67% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI 1141 steel and the bottom bar is EN 1.4378 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 210 to 220 | |
190 to 340 |
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
200 |
Elongation at Break, % | 11 to 17 | |
14 to 34 |
Fatigue Strength, MPa | 270 to 430 | |
340 to 550 |
Poisson's Ratio | 0.29 | |
0.28 |
Shear Modulus, GPa | 72 | |
77 |
Shear Strength, MPa | 460 to 480 | |
510 to 680 |
Tensile Strength: Ultimate (UTS), MPa | 740 to 810 | |
760 to 1130 |
Tensile Strength: Yield (Proof), MPa | 400 to 700 | |
430 to 970 |
Thermal Properties
Latent Heat of Fusion, J/g | 250 | |
290 |
Maximum Temperature: Mechanical, °C | 400 | |
910 |
Melting Completion (Liquidus), °C | 1460 | |
1390 |
Melting Onset (Solidus), °C | 1420 | |
1350 |
Specific Heat Capacity, J/kg-K | 470 | |
480 |
Thermal Expansion, µm/m-K | 12 | |
17 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 1.9 | |
12 |
Density, g/cm3 | 7.8 | |
7.6 |
Embodied Carbon, kg CO2/kg material | 1.4 | |
2.7 |
Embodied Energy, MJ/kg | 19 | |
39 |
Embodied Water, L/kg | 47 | |
150 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 86 to 110 | |
150 to 220 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 430 to 1290 | |
470 to 2370 |
Stiffness to Weight: Axial, points | 13 | |
14 |
Stiffness to Weight: Bending, points | 24 | |
25 |
Strength to Weight: Axial, points | 26 to 29 | |
28 to 41 |
Strength to Weight: Bending, points | 23 to 25 | |
24 to 31 |
Thermal Shock Resistance, points | 24 to 26 | |
16 to 23 |
Alloy Composition
Carbon (C), % | 0.37 to 0.45 | |
0 to 0.080 |
Chromium (Cr), % | 0 | |
17 to 19 |
Iron (Fe), % | 97.7 to 98.2 | |
61.2 to 69 |
Manganese (Mn), % | 1.4 to 1.7 | |
11.5 to 14.5 |
Nickel (Ni), % | 0 | |
2.3 to 3.7 |
Nitrogen (N), % | 0 | |
0.2 to 0.4 |
Phosphorus (P), % | 0 to 0.040 | |
0 to 0.060 |
Silicon (Si), % | 0 | |
0 to 1.0 |
Sulfur (S), % | 0.080 to 0.13 | |
0 to 0.030 |