Description
Chemical Composition and Mechanical Properties of SUS316Ti Stainless Steel
SUS316Ti is a titanium-stabilized austenitic stainless steel with the following composition and properties:
| Element | Percentage |
|---|---|
| Carbon | ≤0.08% |
| Manganese | ≤2.00% |
| Silicon | ≤1.00% |
| Chromium | 16.00-18.00% |
| Nickel | 10.00-14.00% |
| Molybdenum | 2.00-3.00% |
| Titanium | 5x(C+N) to 0.70% |
Mechanical Properties:
| Property | Value |
|---|---|
| Tensile Strength (min) | 520 MPa |
| Yield Strength (min) | 205 MPa |
| Elongation (min) | 40% |
| Hardness (max) | 187 HBW |
Applications and Industries Using SUS316Ti
SUS316Ti is widely used in various industries due to its excellent corrosion resistance and high-temperature stability:
- Chemical processing equipment
- Pulp and paper industry
- Marine applications
- Food processing equipment
- Pharmaceutical manufacturing
- Heat exchangers
- Applications requiring long-term exposure to high temperatures
Manufacturing Process of SUS316Ti Stainless Steel
The manufacturing process of SUS316Ti typically involves:
- Melting raw materials in an electric arc furnace
- Refining the molten metal using AOD or VOD processes
- Continuous casting into slabs
- Hot rolling to reduce thickness
- Cold rolling to achieve final dimensions
- Solution annealing at 1050-1150°C, followed by rapid cooling
Comparison of SUS316Ti with Other Stainless Steel Grades
| Grade | Stabilizing Element | Corrosion Resistance | High-Temperature Stability |
|---|---|---|---|
| SUS316Ti | Titanium | Excellent | Excellent |
| SUS316 | None | Very Good | Good |
| SUS316L | Low Carbon | Very Good | Good |
SUS316Ti offers improved resistance to sensitization and intergranular corrosion at high temperatures compared to SUS316 and SUS316L.
Corrosion Resistance and Heat Treatment of SUS316Ti
SUS316Ti exhibits excellent corrosion resistance:
- Highly resistant to pitting and crevice corrosion
- Suitable for use in marine environments
- Resistant to many chemicals and acids
Heat treatment:
- Solution annealing: 1050-1150°C, followed by rapid cooling
- Provides resistance to sensitization and intergranular corrosion during long-term exposure to temperatures between 425-815°C
At HL Steel Company, we offer high-quality SUS316Ti stainless steel products tailored to meet your specific industrial needs, ensuring superior performance in corrosive environments and high-temperature applications.





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