AISI 321 Stainless Steel vs. AWS ER80S-B6
Both AISI 321 stainless steel and AWS ER80S-B6 are iron alloys. They have 76% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is AISI 321 stainless steel and the bottom bar is AWS ER80S-B6.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 200 | |
190 |
Elongation at Break, % | 34 to 50 | |
19 |
Poisson's Ratio | 0.28 | |
0.29 |
Shear Modulus, GPa | 77 | |
74 |
Tensile Strength: Ultimate (UTS), MPa | 590 to 690 | |
620 |
Tensile Strength: Yield (Proof), MPa | 220 to 350 | |
540 |
Thermal Properties
Latent Heat of Fusion, J/g | 290 | |
260 |
Melting Completion (Liquidus), °C | 1430 | |
1460 |
Melting Onset (Solidus), °C | 1400 | |
1410 |
Specific Heat Capacity, J/kg-K | 480 | |
470 |
Thermal Conductivity, W/m-K | 16 | |
40 |
Thermal Expansion, µm/m-K | 17 | |
13 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 2.4 | |
8.2 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 2.7 | |
9.5 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 16 | |
4.7 |
Density, g/cm3 | 7.8 | |
7.8 |
Embodied Carbon, kg CO2/kg material | 3.2 | |
1.8 |
Embodied Energy, MJ/kg | 45 | |
24 |
Embodied Water, L/kg | 140 | |
71 |
Common Calculations
PREN (Pitting Resistance) | 19 | |
7.1 |
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 190 to 230 | |
110 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 130 to 310 | |
750 |
Stiffness to Weight: Axial, points | 14 | |
14 |
Stiffness to Weight: Bending, points | 25 | |
25 |
Strength to Weight: Axial, points | 21 to 25 | |
22 |
Strength to Weight: Bending, points | 20 to 22 | |
21 |
Thermal Diffusivity, mm2/s | 4.1 | |
11 |
Thermal Shock Resistance, points | 13 to 15 | |
18 |
Alloy Composition
Carbon (C), % | 0 to 0.080 | |
0 to 0.1 |
Chromium (Cr), % | 17 to 19 | |
4.5 to 6.0 |
Copper (Cu), % | 0 | |
0 to 0.35 |
Iron (Fe), % | 65.3 to 74 | |
90.6 to 94.7 |
Manganese (Mn), % | 0 to 2.0 | |
0.4 to 0.7 |
Molybdenum (Mo), % | 0 | |
0.45 to 0.65 |
Nickel (Ni), % | 9.0 to 12 | |
0 to 0.6 |
Nitrogen (N), % | 0 to 0.1 | |
0 |
Phosphorus (P), % | 0 to 0.045 | |
0 to 0.025 |
Silicon (Si), % | 0 to 0.75 | |
0 to 0.5 |
Sulfur (S), % | 0 to 0.030 | |
0 to 0.025 |
Titanium (Ti), % | 0 to 0.7 | |
0 |
Residuals, % | 0 | |
0 to 0.5 |