AISI 204 Stainless Steel vs. SAE-AISI 1055 Steel
Both AISI 204 stainless steel and SAE-AISI 1055 steel are iron alloys. They have 74% of their average alloy composition in common. There are 31 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 204 stainless steel and the bottom bar is SAE-AISI 1055 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 210 to 330 | |
| 220 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 23 to 39 | |
| 11 to 14 |
| Fatigue Strength, MPa | 320 to 720 | |
| 260 to 390 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 77 | |
| 72 |
| Shear Strength, MPa | 500 to 700 | |
| 440 to 450 |
| Tensile Strength: Ultimate (UTS), MPa | 730 to 1100 | |
| 730 to 750 |
| Tensile Strength: Yield (Proof), MPa | 380 to 1080 | |
| 400 to 630 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 850 | |
| 400 |
| Melting Completion (Liquidus), °C | 1410 | |
| 1460 |
| Melting Onset (Solidus), °C | 1370 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 15 | |
| 51 |
| Thermal Expansion, µm/m-K | 17 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.4 | |
| 11 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.9 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 1.8 |
| Density, g/cm3 | 7.7 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.4 | |
| 1.4 |
| Embodied Energy, MJ/kg | 35 | |
| 18 |
| Embodied Water, L/kg | 130 | |
| 46 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 240 to 250 | |
| 80 to 85 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 360 to 2940 | |
| 440 to 1070 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 27 to 40 | |
| 26 |
| Strength to Weight: Bending, points | 24 to 31 | |
| 23 |
| Thermal Diffusivity, mm2/s | 4.1 | |
| 14 |
| Thermal Shock Resistance, points | 16 to 24 | |
| 23 to 24 |
Alloy Composition
| Carbon (C), % | 0 to 0.030 | |
| 0.5 to 0.6 |
| Chromium (Cr), % | 15 to 17 | |
| 0 |
| Iron (Fe), % | 69.6 to 76.4 | |
| 98.4 to 98.9 |
| Manganese (Mn), % | 7.0 to 9.0 | |
| 0.6 to 0.9 |
| Nickel (Ni), % | 1.5 to 3.0 | |
| 0 |
| Nitrogen (N), % | 0.15 to 0.3 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.050 |