S44735 Stainless Steel vs. SAE-AISI 1140 Steel
Both S44735 stainless steel and SAE-AISI 1140 steel are iron alloys. They have 65% of their average alloy composition in common. There are 27 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 S44735 stainless steel and the bottom bar is SAE-AISI 1140 steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 220 | |
170 to 180 |
Elastic (Young's, Tensile) Modulus, GPa | 210 | |
190 |
Elongation at Break, % | 21 | |
14 to 18 |
Fatigue Strength, MPa | 300 | |
230 to 370 |
Poisson's Ratio | 0.27 | |
0.29 |
Shear Modulus, GPa | 82 | |
72 |
Shear Strength, MPa | 390 | |
370 to 420 |
Tensile Strength: Ultimate (UTS), MPa | 630 | |
600 to 700 |
Tensile Strength: Yield (Proof), MPa | 460 | |
340 to 570 |
Thermal Properties
Latent Heat of Fusion, J/g | 310 | |
250 |
Maximum Temperature: Mechanical, °C | 1100 | |
400 |
Melting Completion (Liquidus), °C | 1460 | |
1460 |
Melting Onset (Solidus), °C | 1420 | |
1420 |
Specific Heat Capacity, J/kg-K | 480 | |
470 |
Thermal Expansion, µm/m-K | 11 | |
13 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 21 | |
1.8 |
Density, g/cm3 | 7.7 | |
7.8 |
Embodied Carbon, kg CO2/kg material | 4.4 | |
1.4 |
Embodied Energy, MJ/kg | 61 | |
18 |
Embodied Water, L/kg | 180 | |
46 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 | |
89 to 93 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 520 | |
310 to 870 |
Stiffness to Weight: Axial, points | 15 | |
13 |
Stiffness to Weight: Bending, points | 26 | |
24 |
Strength to Weight: Axial, points | 23 | |
21 to 25 |
Strength to Weight: Bending, points | 21 | |
20 to 22 |
Thermal Shock Resistance, points | 20 | |
18 to 21 |
Alloy Composition
Carbon (C), % | 0 to 0.030 | |
0.37 to 0.44 |
Chromium (Cr), % | 28 to 30 | |
0 |
Iron (Fe), % | 60.7 to 68.4 | |
98.4 to 98.9 |
Manganese (Mn), % | 0 to 1.0 | |
0.7 to 1.0 |
Molybdenum (Mo), % | 3.6 to 4.2 | |
0 |
Nickel (Ni), % | 0 to 1.0 | |
0 |
Niobium (Nb), % | 0.2 to 1.0 | |
0 |
Nitrogen (N), % | 0 to 0.045 | |
0 |
Phosphorus (P), % | 0 to 0.040 | |
0 to 0.040 |
Silicon (Si), % | 0 to 1.0 | |
0 |
Sulfur (S), % | 0 to 0.030 | |
0.080 to 0.13 |
Titanium (Ti), % | 0.2 to 1.0 | |
0 |