ASME B16.47 Series B Stainless Steel Pipe Flanges
- Flange Standard: ASME B16.47 Series B
- Material Standard: ASTM A182/A182M
- Dimensions: NPS 26″- 60″
- Flange Types: Weld Neck, Blind
- Face Types: RF=Raised Face, FF=Flat Face, RTJ=Ring Type Joint, M&F=Male-and-Female, T&G=Tongue-and-Groove
- Pressure Rating: 75LBS, 150LBS, 300LBS, 400LBS, 600LBS, 900LBS
ASME B16.47 Series B Stainless Steel Pipe Flanges
Golden Sunbird Metals supplies premium ASME B16.47 Series B stainless steel pipe flanges engineered for large-diameter, high-performance piping systems. Manufactured to ASME B16.47 Series B and ASTM A182/A182M, these flanges are available in NPS 26″ to 60″ with pressure ratings from 75LB to 900LB, making them well suited for demanding industrial service. The product range includes weld neck and blind flanges, with face options such as RF, FF, RTJ, M&F, and T&G to support reliable sealing in varied applications. Offered in multiple stainless steel grades including F304, F316, F321, F347, F904L, F51, F53, F55, F60, F61, and more, our flanges are produced by forging or rolling and tested for quality and consistency. Ideal for oil and gas, chemical processing, power generation, marine, water treatment, and construction, Golden Sunbird Metals delivers stainless steel flange solutions built for strength, corrosion resistance, and long service life.
ASME B16.47 Series B Stainless Steel Pipe Flanges
Features
- ASME B16.47 Series B stainless steel pipe flanges for large-diameter piping systems.
- Available in weld neck and blind flange types for secure, pressure-rated connections.
- Manufactured in accordance with ASTM A182/A182M stainless steel material requirements.
- Suitable for NPS 26″–60″ large-size piping applications.
- Common pressure classes include 75, 150, 300, 400, 600, and 900.
- Forged or rolled production ensures stable dimensional accuracy and reliable performance.
- Raised face and ring type joint options are commonly used for sealing in demanding service conditions.
- Designed for high-pressure, high-temperature, and corrosion-resistant industrial service.
Technical Specifications
| Specification | Value |
| Standard | ASME B16.47 Series B Stainless Steel Pipe Flanges |
| Material | Standard: ASTM A182/A182M Grade: F304, F304H, F304L, F309H, F310, F310H, F310MoLN, F316, F316H, F316L, F316Ti, F317, F317L, F321, F321H, F347, F347H, F348, F348H, F20, F44, F45, F46, F47, F48, F49, F56, F58, F62, F63, F64, F904L, F50, F51, F52, F53, F54, F55, F57, F59, F60, F61, F65, F66, and F67 |
| Face Types | RF=Raised Face, FF=Flat Face, RTJ=Ring Type Joint, M&F=Male-and-Female, T&G=Tongue-and-Groove |
| MFG. Process | Forged or Rolled |
| Flange Types | Weld Neck, Blind |
| Working Pressure | 75LBS, 150LBS, 300LBS, 400LBS, 600LBS, 900LBS |
| Dimension | NPS 26″-60″, WT: SCH 5S, 10S, 40S, 80S, XS, XXS |
| Flange standard | ASME B16.47 Series B |
| Inspection Certificate | EN 10204 Type 3.1 (Mill Test Certificate), EN 10204 Type 3.2 (Witness Testing or 3rd Party Inspection) |
| Tests | Chemical Analysis, Tensile Test, UT/ET |
Applications
- Oil and gas transmission lines and large-diameter process piping.
- Refineries and petrochemical plants handling high-pressure and corrosive media.
- Offshore platforms and marine piping systems exposed to harsh environments.
- Power generation plants, including boiler, steam, and utility piping connections.
- Chemical processing facilities requiring corrosion-resistant bolted flange joints.
- Water treatment, desalination, and industrial utility pipelines.
- Large industrial piping networks where reliable maintenance-friendly flange connections are required.
