ATI 310S Austenitic Stainless Steel (Low Carbon) vs ATI 316LN Austenitic Stainless Steel (Low Carbon, Nitrogen Enhanced)
Property comparison of ATI 310S Austenitic Stainless Steel (Low Carbon) and ATI 316LN Austenitic Stainless Steel (Low Carbon, Nitrogen Enhanced), both stainless steel.
| Property | ATI 310S Austenitic Stainless Steel (Low Carbon) | ATI 316LN Austenitic Stainless Steel (Low Carbon, Nitrogen Enhanced) | Difference |
|---|---|---|---|
| Yield strength | 314 MPa | 205 MPa | -35% |
| Tensile strength | 624 MPa | 515 MPa | -17% |
| Elongation | 42.6 % | 40 % | -6% |
| Elastic modulus | 200,000 MPa | 193,000 MPa | -4% |
| Density | 8,030 kg/m³ | 8,000 kg/m³ | 0% |
| Thermal conductivity | 13.8 W/m·K | 14.6 W/m·K | +6% |
| Coefficient of thermal expansion | 0.000016 1/K | 0.000017 1/K | +4% |
Difference is ATI 316LN Austenitic Stainless Steel (Low Carbon, Nitrogen Enhanced) relative to ATI 310S 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
- 310S
- standard
- ASTM A240; ASME SA-240
- heat treatment
- Annealed
- grade
- 316LN
- standard
- ASTM A240
- heat treatment
- 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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