ASME B16.5 Stainless Steel Pipe Flanges
- Flange Standard: ASME B16.5
- Material Standard: ASTM A182/A182M
- Dimensions: NPS 1/2″- 24″
- Flange Types: Weld Neck, Blind, Slip-On, Threaded, Socket Weld, Lap Joint
- Face Types: RF=Raised Face, FF=Flat Face, RTJ=Ring Type Joint, M&F=Male-and-Female, T&G=Tongue-and-Groove
- Pressure Rating: 150LBS, 300LBS, 400LBS, 600LBS, 900LBS, 1500LBS, 2500LBS
ASME B16.5 Stainless Steel Pipe Flanges
ASME B16.5 stainless steel pipe flanges are engineered for reliable, leak-tight connections in piping systems that require strength, corrosion resistance, and dependable performance. Manufactured in accordance with strict ASME B16.5 standards, these flanges offer excellent dimensional accuracy, consistent pressure ratings, and long service life in a wide range of industrial environments. Available in multiple sizes, classes, and facing types, ASME B16.5 stainless steel pipe flanges are widely used in oil and gas, petrochemical, power generation, water treatment, and other critical applications where safety, durability, and secure assembly are essential.
ASME B16.5 Stainless Steel Pipe Flanges
ASME B16.5 Stainless Steel Pipe Flanges
Features
- ASME B16.5 stainless steel pipe flanges for standard industrial piping connections.
- Covers NPS 1/2″–24″ flange sizes for pressure-rated piping systems.
- Available in weld neck, blind, slip-on, threaded, socket weld, and lap joint flange types.
- Manufactured from ASTM A182/A182M stainless steel forgings for corrosion-resistant service.
- Suitable for pressure classes 150, 300, 400, 600, 900, and 1500; Class 2500 applies to NPS 1/2″–12″ only.
- Raised face, flat face, ring type joint, male-and-female, and tongue-and-groove face options support different sealing requirements.
- Forged or rolled production helps ensure stable dimensions and reliable performance.
- Designed for high-pressure, high-temperature, and corrosive service environments.
Technical Specifications
| Specification | Value |
| Standard | ASME B16.5 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, Slip-on, Threaded, Socket Weld, Lap Joint |
| Working Pressure | 150LBS, 300LBS, 400LBS, 600LBS, 900LBS, 1500LBS, 2500LBS |
| Dimension | NPS 1/2″-24″, WT: SCH 5S, 10S, 40S, 80S, XS, XXS |
| Flange standard | ASME B16.5 |
| 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 pipelines, flow lines, and terminal piping systems.
- Refineries and petrochemical plants handling hydrocarbons, chemicals, and high-temperature process media.
- Chemical processing plants requiring corrosion-resistant bolted flange joints.
- Power generation facilities, including steam, boiler, and utility piping systems.
- Water treatment and desalination plants needing durable stainless steel flange connections.
- Offshore platforms and marine piping exposed to seawater and harsh operating conditions.
- General industrial piping systems where reliable sealing, easy maintenance, and standardized dimensions are required.
