SMO 254 Flanges

SMO 254 Flanges
Precision-engineered SMO 254 Flanges manufactured for secure, leak-tight pipe connections in pressure piping and process systems.
- SMO 254
- Weld Neck
- Slip On
- Blind
- Socket Weld
- Threaded
- Lap Joint
- RTJ
SMO 254 Flanges Manufacturer in India
Sawariya Metal Industries is a manufacturer, supplier, stockist and exporter of SMO 254 Flanges in different sizes, grades, specifications and finishes for industrial and engineering applications.
SMO 254 Flanges are forged or machined components used to connect pipes, valves, pumps and equipment, allowing easy assembly, inspection and maintenance of piping systems.
SMO 254 (UNS S31254) is a 6Mo super austenitic stainless steel for chloride-rich environments. SMO 254 (UNS S31254) is a high-alloy 6Mo super austenitic stainless steel with high molybdenum and nitrogen, offering excellent resistance to pitting and crevice corrosion in chloride-bearing media.
Typical applications for SMO 254 Flanges include seawater handling, desalination plants, pulp & paper bleaching, chemical processing, offshore oil & gas, flue gas desulphurisation, food processing, heat exchangers and general engineering.
Key Features of SMO 254
6Mo Super Austenitic
High molybdenum and nitrogen content for severe environments.
Pitting Resistance
Excellent resistance to pitting and crevice corrosion.
Seawater Service
Suitable for seawater and brackish water systems.
Good Weldability
Austenitic structure supports reliable fabrication.
SMO 254 Flanges Specifications
| Parameter | Specification |
|---|---|
| Dimensions | ANSI/ASME B16.5, B16.48, BS4504, BS 10, EN-1092, DIN, etc |
| Standards | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc |
| Specifications | ASTM B403 / ASME SB403 |
| Grade | SMO 254 UNS No.S31254 |
| Size | 1/2"NB TO 60"NB |
| Schedule | 5S, 10S, 10, 20, 40S, 40, STD, 60, 80S, 80, XS, 100, 120, 140, 160, and XXS |
| Class | 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS |
Types of SMO 254 Flanges
Weld Neck Flanges
Butt-welded flanges for high-pressure and high-temperature service.
Slip On Flanges
Slip over the pipe for easy alignment and welding.
Blind Flanges
Solid flanges used to close pipe ends and openings.
Socket Weld & Threaded Flanges
Compact connections for smaller bore piping.
Lap Joint Flanges
Used with stub ends for easy alignment.
Spectacle & RTJ Flanges
Positive isolation and high-pressure sealing.
Applications & Industries
- Seawater Handling
- Desalination Plants
- Pulp & Paper Bleaching
- Chemical Processing
- Offshore Oil & Gas
- Flue Gas Desulphurisation
- Food Processing
- Heat Exchangers
- Marine Engineering
- Pharmaceutical
- Fabrication
- General Engineering
Quality & Inspection
Quality-Focused Manufacturing & Supply
SMO 254 Flanges can be supplied with inspection, testing and documentation according to the applicable specification and customer purchase requirements.
- Dimensional inspection
- Visual and surface inspection
- Material grade verification
- Chemical composition verification
- Mechanical testing as applicable
- Flange face and bolt-hole inspection
- Non-destructive testing as applicable
- Mill Test Certificate (MTC)
- Third-party inspection support
Why Choose Our SMO 254 Flanges?
Multiple Pressure Classes
150# to 2500# and PN ratings.
All Flange Types
Weld neck, slip on, blind, socket weld and more.
Accurate Machining
Precise facing and drilling for leak-tight joints.
Custom Flanges
Manufactured as per drawings on request.
SMO 254 Flanges Manufacturer, Supplier & Exporter
Sawariya Metal Industries supplies SMO 254 Flanges for domestic and international projects in a wide range of sizes, grades and specifications. Products can be supplied in standard and custom dimensions according to drawings and purchase order requirements.
Every order can be supported with Mill Test Certificates, inspection reports, third-party inspection on request and secure export-worthy packaging.
Share your size, grade, quantity and specification requirements with our team to receive a competitive quotation for SMO 254 Flanges.
Related SMO 254 Products Products
SMO 254 Buttweld Pipe Fittings
SMO 254 (UNS S31254) is a 6Mo super austenitic stainless steel for chloride-rich environments.
SMO 254 Socket weld Pipe Fittings
SMO 254 (UNS S31254) is a 6Mo super austenitic stainless steel for chloride-rich environments.
SMO 254 Valves
SMO 254 (UNS S31254) is a 6Mo super austenitic stainless steel for chloride-rich environments.
Technical Note: Technical values should be verified against the applicable ASTM / ASME / EN specification, purchase order requirements and Mill Test Certificate (MTC) for the supplied product.