Product Description:
309S stainless steel plate is known for its high-temperature strength and excellent corrosion resistance. It finds application in various industries where elevated temperatures and corrosive environments are a concern.
309S stainless steel minimizes the risk of sensitization, which is the formation of chromium carbides along grain boundaries. This improves the material's resistance to intergranular corrosion in certain environments.
309S stainless steel is non-magnetic in the annealed condition, making it suitable for applications where magnetic properties are undesirable.
Advantages:
Here are the key features of 309S stainless steel:
1. High-temperature Strength: 309S stainless steel exhibits excellent high-temperature strength, making it suitable for applications that involve elevated temperatures. It can withstand temperatures up to approximately 1000°C (1832°F) without significant loss of mechanical properties.
2. Corrosion Resistance: 309S stainless steel offers good corrosion resistance, particularly in oxidizing environments. It resists the formation of scaling and maintains its integrity in corrosive atmospheres containing sulfur gases, carburizing gases, and other aggressive chemicals.
3. Oxidation Resistance: This stainless steel grade demonstrates exceptional resistance to oxidation at high temperatures. It forms a protective oxide layer on the surface, which helps prevent the formation of scales and maintains its structural stability.
4. Weldability: 309S stainless steel is easily weldable using common welding methods such as TIG (tungsten inert gas) or MIG (metal inert gas) welding. It does not require preheating and post-weld heat treatment for most applications, simplifying the welding process.
5. Ductility and Formability: 309S stainless steel exhibits good ductility and formability, allowing it to be easily fabricated into various shapes and sizes. It can be formed, bent, and rolled without experiencing significant cracking or deformation.
These features make 309S stainless steel a reliable choice for applications requiring resistance to high temperatures, corrosion, and oxidation in challenging environments.
Technical Parameters:
| Chemical Composition | | | |
| Element | C | Si | Mn |
| Weight Percentage | 0.08 max | 0.75 max | 2.00 max |
| | | | |
| P | S | Cr | Ni |
| 0.045 max | 0.03 max | 22.0-24.0 | 12.0-15.0 |
| Mechanical Properties | |
| Tensile Strength | 515 MPa min |
| Yield Strength (0.2%) | 205 MPa min |
| Elongation | 40% min |
| Hardness (Brinell) | 217 HB max |
| Hardness (Rockwell B) | 95 HRB max |
Applications:
1. Petrochemical Industry: It is used in the construction of reactors, pipes, heat exchangers, and other equipment handling corrosive petrochemical substances.
2. Power Generation: 309S stainless steel plate is utilized in power generation plants, particularly in applications involving high-temperature steam and corrosive environments. It is commonly used for boiler tubes, superheaters, and other components in power plants.
3. Aerospace Industry: 309S stainless steel is utilized in aerospace components such as jet engine parts, exhaust systems, and heat exchangers.
4. Chemical Processing: It is used in the construction of chemical reactors, storage tanks, and pipelines.
5. Furnace Parts: 309S stainless steel plate is used for furnace components such as radiant tubes, muffles, and annealing covers. It can withstand the intense heat and corrosive atmospheres found in industrial furnaces.
These applications highlight the suitability of 309S stainless steel plate in high-temperature and corrosive environments across various industries.
Support and Services:
Technical Support and Service for Rolled Stainless Steel Sheets
We provide technical support and service for our Rolled Stainless Steel Sheets to ensure our customers' satisfaction. We offer a wide range of services, including:
- Providing technical advice on product selection and usage
- Providing installation guidance and troubleshooting
- Offering quality assurance and product testing
- Providing timely product updates and improvements
If you have any questions or concerns about our Rolled Stainless Steel Sheets, please feel free to contact us. We will be happy to provide you with the assistance and support you need.
Packing and Shipping:
Rolled Stainless Steel Sheets are typically packaged and shipped in the following manner:
- The sheets are first wrapped in protective sheeting or plastic.
- The sheets are then placed in a cardboard box or wooden crate.
- The box or crate is then secured with straps or shrink wrap.
- The box or crate is then placed on a pallet and secured with banding.
- The pallet is then wrapped in plastic and secured with banding.
- The pallet is then loaded onto a truck or container for shipment.
