SAE-AISI S2 Steel vs. AISI 305 Stainless Steel
Both SAE-AISI S2 steel and AISI 305 stainless steel are iron alloys. They have 70% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI S2 steel and the bottom bar is AISI 305 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
200 |
Poisson's Ratio | 0.29 | |
0.28 |
Shear Modulus, GPa | 72 | |
77 |
Tensile Strength: Ultimate (UTS), MPa | 670 to 1940 | |
580 to 710 |
Thermal Properties
Latent Heat of Fusion, J/g | 260 | |
290 |
Melting Completion (Liquidus), °C | 1450 | |
1450 |
Melting Onset (Solidus), °C | 1410 | |
1400 |
Specific Heat Capacity, J/kg-K | 470 | |
480 |
Thermal Conductivity, W/m-K | 44 | |
16 |
Thermal Expansion, µm/m-K | 11 | |
17 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 7.4 | |
2.4 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 8.5 | |
2.7 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 2.6 | |
16 |
Density, g/cm3 | 7.8 | |
7.8 |
Embodied Carbon, kg CO2/kg material | 2.1 | |
3.2 |
Embodied Energy, MJ/kg | 30 | |
45 |
Embodied Water, L/kg | 49 | |
150 |
Common Calculations
Stiffness to Weight: Axial, points | 13 | |
14 |
Stiffness to Weight: Bending, points | 24 | |
25 |
Strength to Weight: Axial, points | 24 to 69 | |
20 to 25 |
Strength to Weight: Bending, points | 22 to 44 | |
20 to 23 |
Thermal Diffusivity, mm2/s | 12 | |
4.2 |
Thermal Shock Resistance, points | 23 to 68 | |
13 to 15 |
Alloy Composition
Carbon (C), % | 0.4 to 0.55 | |
0 to 0.12 |
Chromium (Cr), % | 0 | |
17 to 19 |
Copper (Cu), % | 0 to 0.25 | |
0 |
Iron (Fe), % | 96 to 98.1 | |
65.1 to 72.5 |
Manganese (Mn), % | 0.3 to 0.5 | |
0 to 2.0 |
Molybdenum (Mo), % | 0.3 to 0.6 | |
0 |
Nickel (Ni), % | 0 to 0.3 | |
10.5 to 13 |
Phosphorus (P), % | 0 to 0.030 | |
0 to 0.045 |
Silicon (Si), % | 0.9 to 1.2 | |
0 to 0.75 |
Sulfur (S), % | 0 to 0.030 | |
0 to 0.030 |
Vanadium (V), % | 0 to 0.5 | |
0 |