ASTM A204 Steel vs. AISI 403 Stainless Steel
Both ASTM A204 steel and AISI 403 stainless steel are iron alloys. 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 ASTM A204 steel and the bottom bar is AISI 403 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 160 to 180 | |
| 190 to 240 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 18 to 22 | |
| 16 to 25 |
| Fatigue Strength, MPa | 200 to 220 | |
| 200 to 340 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 73 | |
| 76 |
| Shear Strength, MPa | 330 to 360 | |
| 340 to 480 |
| Tensile Strength: Ultimate (UTS), MPa | 520 to 590 | |
| 530 to 780 |
| Tensile Strength: Yield (Proof), MPa | 290 to 330 | |
| 280 to 570 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 270 |
| Maximum Temperature: Mechanical, °C | 410 | |
| 740 |
| Melting Completion (Liquidus), °C | 1470 | |
| 1450 |
| Melting Onset (Solidus), °C | 1420 to 1430 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Conductivity, W/m-K | 52 | |
| 28 |
| Thermal Expansion, µm/m-K | 13 | |
| 9.9 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.2 | |
| 2.9 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.2 | |
| 3.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.4 | |
| 6.5 |
| Density, g/cm3 | 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 1.9 |
| Embodied Energy, MJ/kg | 20 | |
| 27 |
| Embodied Water, L/kg | 47 | |
| 99 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 90 to 95 | |
| 110 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 220 to 290 | |
| 210 to 840 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 18 to 21 | |
| 19 to 28 |
| Strength to Weight: Bending, points | 18 to 20 | |
| 19 to 24 |
| Thermal Diffusivity, mm2/s | 14 | |
| 7.6 |
| Thermal Shock Resistance, points | 15 to 17 | |
| 20 to 29 |