We are a premier global SUPPLIER Â and exporter of high-grade Stainless-Steel Flanges, delivering superior piping components to domestic and international clients. Engineered for high performance, our flanges come in a comprehensive range of dimensions, pressure classes, end connections, surface finishes, and configurations. We also specialize in custom-fabricated flanges tailored precisely to customer specifications and strict international quality guidelines.
Our extensive inventory includes SS Socket Weld, Slip-On, Weld Neck, Blind, Threaded, Lap Joint, Plate, and RTJ Flanges manufactured in full compliance with ANSI, ASME, DIN, BS, and EN standards.
Overview of Stainless-Steel Flanges
Stainless steel flanges serve as essential connectors in piping systems, enabling easy assembly, disassembly, inspection, and maintenance. Produced using specialized alloy steel grades, these components offer outstanding mechanical strength, elevated heat resistance, and excellent corrosion resistance across severe operating environments.
Available in diverse configurations—such as weld neck, socket weld, slip-on, and spectacle blind—our flanges accommodate varying fluid dynamics, pressure ratings, and temperature limits across complex industrial piping networks.
Key Properties & Material Characteristics
Due to optimized alloying element balances (such as Chromium, Nickel, and Molybdenum), our stainless-steel flanges deliver outstanding operational benefits:
- Superior Corrosion Resistance: Safeguards piping systems against oxidation, pitting, and acidic media.
- High Tensile & Yield Strength: Holds structural integrity under high working pressures.
- Thermal Stability: Performs consistently across extreme sub-zero cryogenic and high-temperature environments.
- Exceptional Ductility & Toughness: Ensures reliable fracture resistance during mechanical shock or system vibration.
| Technical Specifications | |
|---|---|
| Parameter | Standard Details |
| Material Specification | ASTM A182 / ASME SA182 |
| Dimensional Standards | ANSI/ASME B16.5, B16.47 (Series A & B), B16.48, BS4504, BS 10, EN 1092, DIN |
| Size Range | 1/2″ (15 NB) to 48″ (1200 NB) |
| Pressure Ratings | Class 150#, 300#, 600#, 900#, 1500#, 2500# | PN6 through PN64 |
| Flange Face Types | Flat Face (FF), Raised Face (RF), Ring Type Joint (RTJ) |
| DIN Standards | DIN 2527, 2566, 2573, 2576, 2641, 2642, 2655, 2656, 2627–2638, 2673 |
| JIS Standards | JIS B2220 (5K, 10K, 16K, 20K) |
| BS Standards | BS 4504 (PN 6 to PN 250), BS 10 (Tables D, E, F, H) |
Available Types of Stainless-Steel Flanges
- Stainless Steel Slip-On (SORF) Flanges
- Stainless Steel Weld Neck (WNRF) Flanges
- Stainless Steel Blind (BLRF) Flanges
- Stainless Steel Threaded / Screwed Flanges
- Stainless Steel Socket Weld (SWRF) Flanges
- Stainless Steel Lap Joint Flanges
- Stainless Steel Ring Type Joint (RTJ) Flanges
- Stainless Steel Long Weld Neck (LWN) Flanges
- Stainless Steel Spectacle Blind / Line Blank Flanges
- Stainless Steel Orifice & Square Flanges
- Stainless Steel Reducing & Plate Flanges
Manufacturing & Dimensional Standards
| Standard | Covered Flange Types |
|---|---|
| ASME / ANSI B16.5 | Weld Neck, Slip-On, Blind, High Hub Blind, Socket Weld, Lap Joint, Threaded, RTJ |
| ASME / ANSI B16.47 | Large Diameter Weld Neck & Blind Flanges (Series A & B) |
| ASME / ANSI B16.36 | Orifice Weld Neck, Slip-On, and Threaded Flanges |
| BS 4504 (Sec 3.1 & Part 1) | Weld Neck, Hubbed Slip-On, Hubbed Threaded, Lapped Pipe Ends, Plate, Blank Flanges |
| BS 1560 BOSS | Welding Neck, Socket Weld, Slip-On, Blind, Screwed Boss, Lapped Flanges |
| BS 10 | Weld Neck, Plate Slip-On, Screwed Boss, Slip-On Boss, Blind (Tables D, E, F, H) |
| DIN Standard Flanges | DIN 2527, 2566, 2573, 2576, 2641, 2642, 2655, 2656, 2627–2638, 2673 |
Industrial Applications
Our high-performance stainless steel pipe flanges are thoroughly tested via non-destructive and destructive methods (including hydro-testing, PMI testing, and dimensional checks) before protective packaging and dispatch. They are widely utilized in:
- Oil & Gas Exploration: Offshore drilling rigs, refineries, and hydrocarbon distribution lines.
- Chemical & Petrochemical: Processing units, aggressive fluid lines, and reactor vessels.
- Power Generation: Thermal, nuclear, and hydro power plant steam/cooling piping.
- Water & Wastewater Treatment: Desalination equipment, municipal pipelines, and filtration networks.
- Marine & Shipbuilding: Seawater cooling systems, hull piping, and offshore platforms.
- Pharmaceutical & Food Processing: Sanitary pipelines requiring high hygiene and cleanability.
- General Engineering & Aerospace: High-pressure fluid handling and structural systems.
Premium PIPES AND TUBES – Global Manufacturer & Supplier
Pipes & Tubes Specifications
Material Grades & Standards
- Stainless Steel: ASTM A312 TP 304 / 304L / 304H / 316 / 316L / 317 / 317L / 321 / 310 / 347 / 904L, etc.
- Carbon Steel: ASTM A53 Gr. B | A106 Gr. B | API 5L Gr. X42 / X46 / X52 / X56 / X60 / X65 / X70
- Low-Temperature Carbon Steel (LTCS): ASTM A333 Gr. 3 / Gr. 6, etc.
- Alloy Steel: ASTM A335 Gr. P1 / P5 / P9 / P11 / P22 / P91, etc.
- Duplex & Super Duplex Steel: UNS S31803, UNS S32750, UNS S32760, 904L, Alloy 20
- Nickel & High Alloys: Monel, Nickel, Inconel, Hastelloy, Titanium, Tantalum, Bismuth, Aluminium, High-Speed Steel (HSS)
- Non-Ferrous Metals: Copper, Brass, Bronze, Zinc, Lead, etc.
Dimensional Range & Product Details
- Types / Shapes: Round, Square, Rectangular
- Form / Execution: Seamless & Welded
- Size Range: Up to 24″ NB
- Wall Thickness: Schedule 5S through Schedule XXS