SAE-AISI 1137 Steel vs. S45503 Stainless Steel
Both SAE-AISI 1137 steel and S45503 stainless steel are iron alloys. They have 76% 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 SAE-AISI 1137 steel and the bottom bar is S45503 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 200 to 210 | |
| 410 to 500 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 11 to 17 | |
| 4.6 to 6.8 |
| Fatigue Strength, MPa | 250 to 400 | |
| 710 to 800 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Reduction in Area, % | 34 to 39 | |
| 17 to 28 |
| Shear Modulus, GPa | 73 | |
| 75 |
| Shear Strength, MPa | 430 to 460 | |
| 940 to 1070 |
| Tensile Strength: Ultimate (UTS), MPa | 700 to 760 | |
| 1610 to 1850 |
| Tensile Strength: Yield (Proof), MPa | 370 to 650 | |
| 1430 to 1700 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 270 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 760 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1440 |
| Melting Onset (Solidus), °C | 1420 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Expansion, µm/m-K | 13 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.9 | |
| 15 |
| Density, g/cm3 | 7.8 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 3.4 |
| Embodied Energy, MJ/kg | 19 | |
| 48 |
| Embodied Water, L/kg | 48 | |
| 120 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 81 to 100 | |
| 82 to 110 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 25 to 27 | |
| 57 to 65 |
| Strength to Weight: Bending, points | 22 to 24 | |
| 39 to 43 |
| Thermal Shock Resistance, points | 21 to 23 | |
| 56 to 64 |
Alloy Composition
| Carbon (C), % | 0.32 to 0.39 | |
| 0 to 0.010 |
| Chromium (Cr), % | 0 | |
| 11 to 12.5 |
| Copper (Cu), % | 0 | |
| 1.5 to 2.5 |
| Iron (Fe), % | 97.8 to 98.3 | |
| 72.4 to 78.9 |
| Manganese (Mn), % | 1.4 to 1.7 | |
| 0 to 0.5 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.5 |
| Nickel (Ni), % | 0 | |
| 7.5 to 9.5 |
| Niobium (Nb), % | 0 | |
| 0.1 to 0.5 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.010 |
| Silicon (Si), % | 0 | |
| 0 to 0.2 |
| Sulfur (S), % | 0.080 to 0.13 | |
| 0 to 0.010 |
| Titanium (Ti), % | 0 | |
| 1.0 to 1.4 |