AISI 420 Stainless Steel vs. SAE-AISI 1023 Steel
Both AISI 420 stainless steel and SAE-AISI 1023 steel are iron alloys. They have 86% of their average alloy composition in common. 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 AISI 420 stainless steel and the bottom bar is SAE-AISI 1023 steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 190 | |
130 to 140 |
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
190 |
Elongation at Break, % | 8.0 to 15 | |
17 to 29 |
Fatigue Strength, MPa | 220 to 670 | |
180 to 270 |
Poisson's Ratio | 0.28 | |
0.29 |
Shear Modulus, GPa | 76 | |
73 |
Shear Strength, MPa | 420 to 1010 | |
280 to 300 |
Tensile Strength: Ultimate (UTS), MPa | 690 to 1720 | |
430 to 480 |
Tensile Strength: Yield (Proof), MPa | 380 to 1310 | |
240 to 410 |
Thermal Properties
Latent Heat of Fusion, J/g | 280 | |
250 |
Maximum Temperature: Mechanical, °C | 620 | |
400 |
Melting Completion (Liquidus), °C | 1510 | |
1460 |
Melting Onset (Solidus), °C | 1450 | |
1420 |
Specific Heat Capacity, J/kg-K | 480 | |
470 |
Thermal Conductivity, W/m-K | 27 | |
53 |
Thermal Expansion, µm/m-K | 10 | |
12 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 3.0 | |
6.9 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 3.5 | |
8.0 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 7.5 | |
1.8 |
Density, g/cm3 | 7.7 | |
7.9 |
Embodied Carbon, kg CO2/kg material | 2.0 | |
1.4 |
Embodied Energy, MJ/kg | 28 | |
18 |
Embodied Water, L/kg | 100 | |
45 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 88 to 130 | |
77 to 100 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 380 to 4410 | |
150 to 450 |
Stiffness to Weight: Axial, points | 14 | |
13 |
Stiffness to Weight: Bending, points | 25 | |
24 |
Strength to Weight: Axial, points | 25 to 62 | |
15 to 17 |
Strength to Weight: Bending, points | 22 to 41 | |
16 to 17 |
Thermal Diffusivity, mm2/s | 7.3 | |
14 |
Thermal Shock Resistance, points | 25 to 62 | |
14 to 15 |
Alloy Composition
Carbon (C), % | 0.15 to 0.4 | |
0.2 to 0.25 |
Chromium (Cr), % | 12 to 14 | |
0 |
Iron (Fe), % | 82.3 to 87.9 | |
99.06 to 99.5 |
Manganese (Mn), % | 0 to 1.0 | |
0.3 to 0.6 |
Molybdenum (Mo), % | 0 to 0.5 | |
0 |
Nickel (Ni), % | 0 to 0.75 | |
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 |