ATI 316Ti Austenitic Stainless Steel (Ti-stabilized) vs ATI 317 Austenitic Stainless Steel (High Mo)
Property comparison of ATI 316Ti Austenitic Stainless Steel (Ti-stabilized) and ATI 317 Austenitic Stainless Steel (High Mo), both stainless steel.
| Property | ATI 316Ti Austenitic Stainless Steel (Ti-stabilized) | ATI 317 Austenitic Stainless Steel (High Mo) | Difference |
|---|---|---|---|
| Yield strength | 248 MPa | 205 MPa | -17% |
| Tensile strength | 620 MPa | 515 MPa | -17% |
| Elongation | 54 % | 35 % | -35% |
| Elastic modulus | 193,000 MPa | 200,000 MPa | +4% |
| Density | 8,000 kg/m³ | 8,027 kg/m³ | 0% |
| Thermal conductivity | 14.6 W/m·K | 14.6 W/m·K | 0% |
| Coefficient of thermal expansion | 0.000017 1/K | 0.000017 1/K | 0% |
| Melting point | 1,345 °C | 1,390 °C | +3% |
Difference is ATI 317 Austenitic Stainless Steel (High Mo) relative to ATI 316Ti Austenitic Stainless Steel (Ti-stabilized). 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
- 316Ti
- standard
- ASTM A240
- heat treatment
- Annealed
- grade
- 317
- 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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