ASTM A372 Grade F Steel vs. S82031 Stainless Steel
Both ASTM A372 grade F steel and S82031 stainless steel are iron alloys. They have 75% of their average alloy composition in common. There are 30 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 A372 grade F steel and the bottom bar is S82031 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
200 |
Elongation at Break, % | 20 to 22 | |
39 |
Fatigue Strength, MPa | 310 to 380 | |
490 |
Poisson's Ratio | 0.29 | |
0.28 |
Shear Modulus, GPa | 73 | |
78 |
Shear Strength, MPa | 410 to 570 | |
540 |
Tensile Strength: Ultimate (UTS), MPa | 650 to 910 | |
780 |
Tensile Strength: Yield (Proof), MPa | 430 to 550 | |
570 |
Thermal Properties
Latent Heat of Fusion, J/g | 250 | |
290 |
Maximum Temperature: Mechanical, °C | 420 | |
980 |
Melting Completion (Liquidus), °C | 1460 | |
1430 |
Melting Onset (Solidus), °C | 1420 | |
1390 |
Specific Heat Capacity, J/kg-K | 470 | |
480 |
Thermal Conductivity, W/m-K | 44 | |
15 |
Thermal Expansion, µm/m-K | 13 | |
13 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 7.3 | |
2.2 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 8.4 | |
2.5 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 2.4 | |
13 |
Density, g/cm3 | 7.8 | |
7.7 |
Embodied Carbon, kg CO2/kg material | 1.5 | |
2.8 |
Embodied Energy, MJ/kg | 20 | |
39 |
Embodied Water, L/kg | 51 | |
150 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 130 to 160 | |
280 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 500 to 810 | |
820 |
Stiffness to Weight: Axial, points | 13 | |
14 |
Stiffness to Weight: Bending, points | 24 | |
25 |
Strength to Weight: Axial, points | 23 to 32 | |
28 |
Strength to Weight: Bending, points | 21 to 27 | |
24 |
Thermal Diffusivity, mm2/s | 12 | |
3.9 |
Thermal Shock Resistance, points | 19 to 27 | |
22 |
Alloy Composition
Carbon (C), % | 0.3 to 0.4 | |
0 to 0.050 |
Chromium (Cr), % | 0.8 to 1.2 | |
19 to 22 |
Copper (Cu), % | 0 | |
0 to 1.0 |
Iron (Fe), % | 96.8 to 97.9 | |
68 to 78.3 |
Manganese (Mn), % | 0.7 to 1.0 | |
0 to 2.5 |
Molybdenum (Mo), % | 0.15 to 0.25 | |
0.6 to 1.4 |
Nickel (Ni), % | 0 | |
2.0 to 4.0 |
Nitrogen (N), % | 0 | |
0.14 to 0.24 |
Phosphorus (P), % | 0 to 0.015 | |
0 to 0.040 |
Silicon (Si), % | 0.15 to 0.35 | |
0 to 0.8 |
Sulfur (S), % | 0 to 0.010 | |
0 to 0.0050 |