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Stainless Steel 310s Sheets
310S stainless steel sheets are a high-alloy, low-carbon austenitic stainless steel designed for high-temperature and corrosive environments.
Key strengths: High-temperature resistance, excellent corrosion resistance, weldability, and ductility
Common use: Furnaces, heat exchangers, chemical processing, and industrial high-temperature equipment
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Product Details
310S stainless steel is a high-alloy austenitic stainless steel with enhanced high-temperature resistance.
- The “S” denotes low carbon content (≤0.08%), which reduces carbide precipitation and maintains corrosion resistance during high-temperature service.
- It is designed for industrial equipment operating at elevated temperatures, such as furnaces, heat exchangers, and chemical reactors.
Chemical Composition of 310S
| Element | Typical Content (%) |
|---|---|
| Chromium (Cr) | 24 – 26 |
| Nickel (Ni) | 19 – 22 |
| Carbon (C) | ≤ 0.08 |
| Manganese (Mn) | ≤ 2.0 |
| Silicon (Si) | ≤ 1.5 |
| Phosphorus (P) | ≤ 0.045 |
| Sulfur (S) | ≤ 0.03 |
| Nitrogen (N) | ≤ 0.10 |
Key Points:
- High chromium and nickel content gives excellent high-temperature strength and oxidation resistance.
- Low carbon prevents carbide precipitation during welding or prolonged high-temperature exposure.
Mechanical Properties
| Property | Typical Value |
|---|---|
| Yield Strength | ≥ 205 MPa |
| Tensile Strength | 515 – 690 MPa |
| Elongation | ≥ 40% |
| Hardness | ≤ 95 HRB |
High-Temperature Performance
- Maintains strength and oxidation resistance up to 1100°C
- Suitable for continuous high-temperature service
Corrosion Resistance
- 310S provides excellent corrosion resistance in:
- Oxidizing atmospheres
- Acidic and mildly corrosive environments
- More resistant than 304 or 316 at elevated temperatures
- Low carbon content ensures resistance to sensitization after welding
Fabrication and Processing
Machining
- Moderate machinability; typically easier in annealed condition
- Harder to machine than 304 or 316
Welding
- Excellent weldability due to low carbon content
- Commonly used in welded high-temperature components
Forming
- Good ductility allows bending, stamping, and rolling
- Suitable for complex sheet fabrication
Common Applications of 310S Stainless Steel Sheets
High-Temperature Industrial Equipment
- Furnace and kiln linings
- Heat exchangers and boiler components
- Furnace baskets and trays
- Combustion chambers
Chemical and Petrochemical Equipment
- Reactor vessels
- Flue gas ducts and chimneys
- Chemical processing tanks operating at high temperatures
Architectural and Specialized Applications
- High-temperature ventilation ducts
- High-performance industrial panels
Summary Table: 310S Stainless Steel Features
| Feature | Description |
|---|---|
| Material Type | Austenitic stainless steel (high alloy) |
| Carbon Content | ≤ 0.08% (low carbon) |
| High-Temperature Resistance | Up to 1100°C |
| Corrosion Resistance | Excellent in oxidizing and mildly corrosive environments |
| Mechanical Properties | Moderate tensile strength, excellent elongation |
| Fabrication | Weldable, formable, moderate machinability |
| Typical Applications | Furnaces, heat exchangers, chemical reactors |
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