Description
Chemical Composition and Mechanical Properties of 316Ti Stainless Steel
316Ti (S31635) is a titanium-stabilized version of Type 316 austenitic stainless steel. Its chemical composition and mechanical properties are as follows:Chemical Composition:
| Element | Percentage |
|---|---|
| Carbon (max) | 0.08 |
| Chromium | 16.0-18.0 |
| Nickel | 10.0-14.0 |
| Molybdenum | 2.0-3.0 |
| Titanium | 5x(C+N) min, 0.70 max |
Mechanical Properties:
| Property | Value |
|---|---|
| Tensile Strength (min) | 515 MPa |
| Yield Strength (min) | 205 MPa |
| Elongation (min) | 40% |
| Hardness (max) | 217 Brinell |
Applications and Industries Using 316Ti Stainless Steel
316Ti stainless steel is widely used in:
- Chemical processing equipment
- Oil and gas industry
- Marine applications
- Food and pharmaceutical industries
- Heat exchangers and furnace parts
- Pulp and paper industry
- Petrochemical equipment
Corrosion Resistance and High-Temperature Performance
316Ti offers excellent corrosion resistance, particularly in chloride environments. The addition of titanium enhances:
- Resistance to intergranular corrosion at elevated temperatures (425-815°C)
- Improved pitting resistance compared to 316L
- Better performance in sulfuric, hydrochloric, acetic, formic, and tartaric acids
Manufacturing Process and Available Forms
316Ti is typically produced through controlled rolling processes. Available forms include:
- Plates
- Coils
- Sheets
- Strips
Welding and Fabrication Considerations
316Ti has good weldability due to its titanium stabilization. Key points:
- Can be welded using standard fusion and resistance welding methods
- No preheating required
- Post-weld heat treatment generally not necessary
Comparison of 316Ti with Other Austenitic Stainless Steel Grades
| Grade | Yield Strength (min MPa) | Intergranular Corrosion Resistance |
|---|---|---|
| 316Ti | 205 | Excellent |
| 316 | 205 | Good |
| 316L | 170 | Very Good |
At HL Steel Company, we provide high-quality 316Ti (S31635) stainless steel plates and coils, ensuring optimal performance for your corrosion-resistant and high-temperature applications.





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