S13800 Stainless Steel vs. ASTM A231 Spring Steel
Both S13800 stainless steel and ASTM A231 spring steel are iron alloys. They have 77% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is S13800 stainless steel and the bottom bar is ASTM A231 spring steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 290 to 480 | |
| 540 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 11 to 18 | |
| 14 |
| Fatigue Strength, MPa | 410 to 870 | |
| 1000 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Reduction in Area, % | 39 to 62 | |
| 46 |
| Shear Modulus, GPa | 77 | |
| 73 |
| Shear Strength, MPa | 610 to 1030 | |
| 1080 |
| Tensile Strength: Ultimate (UTS), MPa | 980 to 1730 | |
| 1790 |
| Tensile Strength: Yield (Proof), MPa | 660 to 1580 | |
| 1570 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 810 | |
| 420 |
| Melting Completion (Liquidus), °C | 1450 | |
| 1460 |
| Melting Onset (Solidus), °C | 1410 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 16 | |
| 52 |
| Thermal Expansion, µm/m-K | 11 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.3 | |
| 7.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.6 | |
| 8.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 15 | |
| 2.3 |
| Density, g/cm3 | 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 3.4 | |
| 2.0 |
| Embodied Energy, MJ/kg | 46 | |
| 28 |
| Embodied Water, L/kg | 140 | |
| 51 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 150 to 190 | |
| 230 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 35 to 61 | |
| 64 |
| Strength to Weight: Bending, points | 28 to 41 | |
| 42 |
| Thermal Diffusivity, mm2/s | 4.3 | |
| 14 |
| Thermal Shock Resistance, points | 33 to 58 | |
| 53 |
Alloy Composition
| Aluminum (Al), % | 0.9 to 1.4 | |
| 0 |
| Carbon (C), % | 0 to 0.050 | |
| 0.48 to 0.53 |
| Chromium (Cr), % | 12.3 to 13.2 | |
| 0.8 to 1.1 |
| Iron (Fe), % | 73.6 to 77.3 | |
| 96.7 to 97.7 |
| Manganese (Mn), % | 0 to 0.2 | |
| 0.7 to 0.9 |
| Molybdenum (Mo), % | 2.0 to 3.0 | |
| 0 |
| Nickel (Ni), % | 7.5 to 8.5 | |
| 0 |
| Nitrogen (N), % | 0 to 0.010 | |
| 0 |
| Phosphorus (P), % | 0 to 0.010 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 0.1 | |
| 0.15 to 0.35 |
| Sulfur (S), % | 0 to 0.0080 | |
| 0 to 0.040 |
| Vanadium (V), % | 0 | |
| 0.15 to 0.3 |