ATI 201L HP Austenitic Stainless Steel (Low Carbon) vs ATI 219 Austenitic Stainless Steel (21-6-9 / XM-11)
Property comparison of ATI 201L HP Austenitic Stainless Steel (Low Carbon) and ATI 219 Austenitic Stainless Steel (21-6-9 / XM-11), both stainless steel.
| Property | ATI 201L HP Austenitic Stainless Steel (Low Carbon) | ATI 219 Austenitic Stainless Steel (21-6-9 / XM-11) | Difference |
|---|---|---|---|
| Yield strength | 396 MPa | 465 MPa | +17% |
| Tensile strength | 785 MPa | 780 MPa | -1% |
| Elongation | 56 % | 46 % | -18% |
| Elastic modulus | 207,000 MPa | 195,000 MPa | -6% |
| Density | 7,860 kg/m³ | 7,850 kg/m³ | 0% |
| Thermal conductivity | 16.3 W/m·K | 13.8 W/m·K | -15% |
| Specific heat | 460 J/kg·K | 460 J/kg·K | 0% |
| Coefficient of thermal expansion | 0.000017 1/K | 0.000011 1/K | -32% |
Difference is ATI 219 Austenitic Stainless Steel (21-6-9 / XM-11) relative to ATI 201L HP Austenitic Stainless Steel (Low Carbon). Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
- grade
- 201L HP
- standard
- ASTM A240
- heat treatment
- Annealed
- grade
- 219
- standard
- ASTM A240; ASTM A412; ASTM A666
- heat treatment
- Solution Annealed
About austenitic stainless steels
Austenitic stainless steels are the largest stainless family. They are non-magnetic in the annealed condition and gain corrosion resistance from chromium and nickel (and molybdenum in 316-class grades). They cannot be hardened by heat treatment and rely on cold work for higher strength. Includes the 300-series, super-austenitic grades (904L, AL-6XN), and high-nitrogen variants used in pressure vessels and chemical service.
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