AISI 403 Stainless Steel vs. AISI 347 Stainless Steel
Both AISI 403 stainless steel and AISI 347 stainless steel are iron alloys. They have 82% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is AISI 403 stainless steel and the bottom bar is AISI 347 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 190 to 240 | |
| 160 to 210 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 16 to 25 | |
| 34 to 46 |
| Fatigue Strength, MPa | 200 to 340 | |
| 220 to 270 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 76 | |
| 77 |
| Shear Strength, MPa | 340 to 480 | |
| 430 to 460 |
| Tensile Strength: Ultimate (UTS), MPa | 530 to 780 | |
| 610 to 690 |
| Tensile Strength: Yield (Proof), MPa | 280 to 570 | |
| 240 to 350 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 290 |
| Maximum Temperature: Corrosion, °C | 390 | |
| 480 |
| Maximum Temperature: Mechanical, °C | 740 | |
| 870 |
| Melting Completion (Liquidus), °C | 1450 | |
| 1430 |
| Melting Onset (Solidus), °C | 1400 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Conductivity, W/m-K | 28 | |
| 16 |
| Thermal Expansion, µm/m-K | 9.9 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.9 | |
| 2.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.3 | |
| 2.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 6.5 | |
| 19 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.9 | |
| 3.6 |
| Embodied Energy, MJ/kg | 27 | |
| 52 |
| Embodied Water, L/kg | 99 | |
| 150 |
Common Calculations
| PREN (Pitting Resistance) | 12 | |
| 18 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 120 | |
| 190 to 220 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 210 to 840 | |
| 150 to 310 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 19 to 28 | |
| 22 to 25 |
| Strength to Weight: Bending, points | 19 to 24 | |
| 20 to 22 |
| Thermal Diffusivity, mm2/s | 7.6 | |
| 4.3 |
| Thermal Shock Resistance, points | 20 to 29 | |
| 13 to 15 |
Alloy Composition
| Carbon (C), % | 0 to 0.15 | |
| 0 to 0.080 |
| Chromium (Cr), % | 11.5 to 13 | |
| 17 to 19 |
| Iron (Fe), % | 84.7 to 88.5 | |
| 64.1 to 74 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 2.0 |
| Nickel (Ni), % | 0 to 0.6 | |
| 9.0 to 13 |
| Niobium (Nb), % | 0 | |
| 0 to 1.0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 to 0.75 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.030 |