AISI 321H Stainless Steel vs. SAE-AISI 12L14 Steel
Both AISI 321H stainless steel and SAE-AISI 12L14 steel are iron alloys. They have 71% of their average alloy composition in common. There are 32 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 321H stainless steel and the bottom bar is SAE-AISI 12L14 steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 190 | |
140 to 170 |
Elastic (Young's, Tensile) Modulus, GPa | 200 | |
190 |
Elongation at Break, % | 40 | |
11 to 25 |
Fatigue Strength, MPa | 200 | |
190 to 290 |
Poisson's Ratio | 0.28 | |
0.29 |
Reduction in Area, % | 51 | |
39 to 51 |
Shear Modulus, GPa | 77 | |
72 |
Shear Strength, MPa | 400 | |
280 to 370 |
Tensile Strength: Ultimate (UTS), MPa | 580 | |
440 to 620 |
Tensile Strength: Yield (Proof), MPa | 230 | |
260 to 460 |
Thermal Properties
Latent Heat of Fusion, J/g | 290 | |
250 |
Maximum Temperature: Mechanical, °C | 940 | |
400 |
Melting Completion (Liquidus), °C | 1430 | |
1460 |
Melting Onset (Solidus), °C | 1380 | |
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 | |
7.1 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 2.7 | |
8.2 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 16 | |
1.8 |
Density, g/cm3 | 7.8 | |
7.9 |
Embodied Carbon, kg CO2/kg material | 3.2 | |
1.4 |
Embodied Energy, MJ/kg | 46 | |
18 |
Embodied Water, L/kg | 140 | |
47 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 190 | |
64 to 93 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 140 | |
180 to 560 |
Stiffness to Weight: Axial, points | 14 | |
13 |
Stiffness to Weight: Bending, points | 25 | |
24 |
Strength to Weight: Axial, points | 21 | |
15 to 22 |
Strength to Weight: Bending, points | 20 | |
16 to 20 |
Thermal Diffusivity, mm2/s | 4.0 | |
14 |
Thermal Shock Resistance, points | 12 | |
14 to 20 |
Alloy Composition
Carbon (C), % | 0.040 to 0.1 | |
0 to 0.15 |
Chromium (Cr), % | 17 to 19 | |
0 |
Iron (Fe), % | 65.4 to 74 | |
97.9 to 98.7 |
Lead (Pb), % | 0 | |
0.15 to 0.35 |
Manganese (Mn), % | 0 to 2.0 | |
0.85 to 1.2 |
Nickel (Ni), % | 9.0 to 12 | |
0 |
Phosphorus (P), % | 0 to 0.045 | |
0.040 to 0.090 |
Silicon (Si), % | 0 to 0.75 | |
0 |
Sulfur (S), % | 0 to 0.030 | |
0.26 to 0.35 |
Titanium (Ti), % | 0 to 0.7 | |
0 |