ASME B16.5 WNRF 12INCH 16INCH SS 321 FLANGE
Product Description – ASME B16.5 Weld Neck Raised Face (WNRF) Flange, Stainless Steel 321
SSM supplies ASME B16.5 Weld Neck Raised Face (WNRF) Flanges in 12-inch and 16-inch nominal sizes, manufactured from stainless steel 321, a chromium–nickel austenitic stainless steel stabilized with titanium. This material provides excellent resistance to intergranular corrosion, making it ideal for high-temperature applications.
The Weld Neck Flange features a long tapered hub that provides superior stress distribution and a strong, leak-proof connection. The Raised Face (RF) ensures tight sealing with standard gaskets. These flanges are forged, machined, and solution annealed to meet ASME B16.5 dimensional and quality standards.
Technical Specifications
| Item | Description |
|---|---|
| Standard | ASME B16.5 |
| Type | Weld Neck Raised Face (WNRF) |
| Nominal Sizes | 12" (DN300), 16" (DN400) |
| Material | Stainless Steel 321 / ASTM A182 F321 |
| Pressure Class | Class 150, 300, 600 (as required) |
| Facing Type | Raised Face (RF) |
| Manufacturing Process | Forged and Machined |
| Surface Finish | Smooth or Serrated Finish |
| Testing & Certification | EN 10204 3.1 / 3.2 Certificates Available |
Applications
High-temperature Steam Piping Systems
Petrochemical and Chemical Processing Plants
Power Generation (Boilers, Turbines)
Oil & Gas Pipelines
Heat Exchangers and Pressure Vessels
Marine and Offshore Installations
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