ASTM A403 WP321-S Austenitic Stainless Steel 180° Elbow Round Bend For Changing Direction of Pipeline
ASTM A403 WP321-S Austenitic Stainless Steel 180° Elbow Round Bend
ASTM A403 WP321-S Austenitic Stainless Steel 180° Elbow is a high-performance piping component designed to change the flow direction of fluids by 180 degrees in industrial pipeline systems. Manufactured from titanium-stabilized austenitic stainless steel (Grade 321), it offers exceptional resistance to intergranular corrosion and high-temperature oxidation, making it ideal for demanding applications in petrochemical, food processing, and high-temperature service environments.
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Grade WP
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Grade CR | UNS Designation | Type |
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WP321
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CR321
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S32100
|
321 |
1.Chemical & Mechanical Properties
| ASTM A403 WP321-S Chemical Composition (%) | |||||||
| C | Mn | Si | P | S | Cr | Ni | Ti |
| ≤0.08 | ≤2.00 | ≤1.00 |
≤0.045 |
≤0.030 | 17.0-19.0 | 9.0-12.0 | ≥5×C (min) |
Mechanical Properties
| Tensile Strength | Yield Strength (0.2% offset) | Elongation | Solution Anneal Temperature |
| ≥515 MPa | ≥205 MPa | ≥28% | 1040℃ |
Key Mechanical Characteristics
- Excellent ductility and toughness
- Maintains strength at elevated temperatures
- Good impact resistance at cryogenic temperatures
- Work-hardening properties
- Non-magnetic in annealed condition
2. Key Adventages
(1) Superior intergranular corrosion resistance
(2) Titanium stabilization for high-temp stability
(3) Surface Finish: Pickled/Polished available
(4) Seamless/Welded manufacturing options
(5) Temperature Range: -196°C to 800°C
3. Key Applications
Petrochemical Industry
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Used in high-temperature and high-pressure piping systems for refineries and chemical plants
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Particularly suitable for sulfur-containing media environments
Food Processing Industry
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Hygienic piping connections meeting sanitary standards
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Used in dairy and beverage production equipment
Pharmaceutical Industry
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Critical component for clean piping systems
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Complies with GMP requirements for fluid transfer
Power Generation Industry
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High-temperature steam pipelines in thermal power plants
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Auxiliary system piping in nuclear power plants
Shipbuilding
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Seawater-resistant piping systems
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Engine exhaust systems
Special Application Notes
Suitable for applications with rapid temperature changes
Recommended for oxidizing environments at 400-800°C
Not recommended for reducing acid environments
Can be used in cryogenic conditions down to -196°C
4. Additional Services
- Custom sizes available
- MTR (Material Test Report) provided
- Third-party inspection services
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