S13800 Stainless Steel vs. AISI 321 Stainless Steel
Both S13800 stainless steel and AISI 321 stainless steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 33 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 S13800 stainless steel and the bottom bar is AISI 321 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 290 to 480 | |
| 170 to 210 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Elongation at Break, % | 11 to 18 | |
| 34 to 50 |
| Fatigue Strength, MPa | 410 to 870 | |
| 220 to 270 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 77 | |
| 77 |
| Shear Strength, MPa | 610 to 1030 | |
| 420 to 460 |
| Tensile Strength: Ultimate (UTS), MPa | 980 to 1730 | |
| 590 to 690 |
| Tensile Strength: Yield (Proof), MPa | 660 to 1580 | |
| 220 to 350 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 290 |
| Maximum Temperature: Corrosion, °C | 390 | |
| 480 |
| Maximum Temperature: Mechanical, °C | 810 | |
| 870 |
| Melting Completion (Liquidus), °C | 1450 | |
| 1430 |
| Melting Onset (Solidus), °C | 1410 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Conductivity, W/m-K | 16 | |
| 16 |
| Thermal Expansion, µm/m-K | 11 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.3 | |
| 2.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.6 | |
| 2.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 15 | |
| 16 |
| Density, g/cm3 | 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 3.4 | |
| 3.2 |
| Embodied Energy, MJ/kg | 46 | |
| 45 |
| Embodied Water, L/kg | 140 | |
| 140 |
Common Calculations
| PREN (Pitting Resistance) | 21 | |
| 19 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 150 to 190 | |
| 190 to 230 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1090 to 5490 | |
| 130 to 310 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 35 to 61 | |
| 21 to 25 |
| Strength to Weight: Bending, points | 28 to 41 | |
| 20 to 22 |
| Thermal Diffusivity, mm2/s | 4.3 | |
| 4.1 |
| Thermal Shock Resistance, points | 33 to 58 | |
| 13 to 15 |
Alloy Composition
| Aluminum (Al), % | 0.9 to 1.4 | |
| 0 |
| Carbon (C), % | 0 to 0.050 | |
| 0 to 0.080 |
| Chromium (Cr), % | 12.3 to 13.2 | |
| 17 to 19 |
| Iron (Fe), % | 73.6 to 77.3 | |
| 65.3 to 74 |
| Manganese (Mn), % | 0 to 0.2 | |
| 0 to 2.0 |
| Molybdenum (Mo), % | 2.0 to 3.0 | |
| 0 |
| Nickel (Ni), % | 7.5 to 8.5 | |
| 9.0 to 12 |
| Nitrogen (N), % | 0 to 0.010 | |
| 0 to 0.1 |
| Phosphorus (P), % | 0 to 0.010 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 to 0.75 |
| Sulfur (S), % | 0 to 0.0080 | |
| 0 to 0.030 |
| Titanium (Ti), % | 0 | |
| 0 to 0.7 |