Sayam Nickel Alloys, headquartered in Hyderabad, is a trusted manufacturer and supplier of premium Hastelloy Flanges. Known for precision, durability, and reliability, these flanges are engineered to perform in highly corrosive environments, high temperatures, and demanding industrial conditions. Hastelloy Flanges from Sayam Nickel Alloys provide long-term strength and operational stability, making them ideal for critical piping and equipment connections. Using advanced manufacturing processes and strict quality control, every flange meets international standards. Industries such as chemical processing, petrochemical, marine, and power generation rely on these flanges for safe, efficient, and high-performance connections.
Hastelloy Flanges are nickel-based alloys, with compositions varying by grade (C-22, C-276, B-2, etc.), typically containing nickel, molybdenum, chromium, and iron. This composition provides exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking, even in highly aggressive chemical environments. Mechanically, these flanges exhibit high tensile and yield strength, excellent toughness, and good ductility. Their ability to maintain structural integrity under thermal cycling and corrosive exposure ensures reliable performance, making Hastelloy Flanges suitable for demanding industrial applications where corrosion resistance and mechanical strength are essential.
| Specifications | Hastelloy Flanges |
|---|---|
| ASME B16.5 Hastelloy C276 Flange size range | 1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000 |
| Hastelloy Flanges Standards | ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flanges. |
| Hastelloy C276 Flange Standard ANSI | Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS |
| Hastelloy C276 Flange Standard DIN | 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 |
| Hastelloy C276 Flange Standard JIS | 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K |
| Hastelloy C276 Flange Standard UNI | 6Bar 10Bar 16Bar 25Bar 40Bar |
| Hastelloy C276 Flange Standard EN | 6Bar 10Bar 16Bar 25Bar 40Bar |
| Main Types | Forged / Threaded / Screwed / Plate |
| Flange supporting material | Gasket, Ring Joint, Flange Bolts |
| Hastelloy C276 Pipe Flanges Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
| Most common types of Hastelloy C276 Flanges |
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| Production technique |
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| Connect Type/ Flange Face Type | Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove |
| Special design | As per your drawing AS, ANSI, BS, DIN and JIS 15 NB (1/2″) to 200 NB (8″) Equal and Reducing Configurations Hastelloy C276 Threaded Flange, Socketweld Flange, Slip-On Flange, Blind Flange, Weld Neck Flange |
| Grade | Hastelloy C22 |
|---|---|
| C | 0.010 max |
| Mn | 0.50 max |
| Si | 0.08 max |
| S | 0.02 max |
| Co | 2.50 max |
| Ni | 50.015 min |
| Cr | 20.00 – 22.50 |
| Fe | 2.00 – 6.00 |
| Mo | 12.50 – 14.50 |
| P | 0.02 max |
| Density | 8.89 g/cm3 |
| Melting Point | 1370 °C (2500 °F) |
| Tensile Strength | Psi – 1,15,000 , MPa – 790 |
| Yield Strength (0.2%Offset) | Psi – 52000 , MPa – 355 |
| Elongation | 40 % |
At Sayam Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Hastelloy Flanges in Hyderabad, India, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the India, allowing us to maintain a vast inventory of over 16,000 tons of premium-quality materials readily available in stock. We are dedicated to delivering superior products and services, ensuring reliability and excellence for our global clientele.
Contact us to get a quick quote for your requirement.
Hastelloy Flanges are widely used in industries that operate under extreme chemical and high-temperature conditions. They are essential in chemical processing, petrochemical, marine, and power generation applications for connecting pipes, valves, pumps, and pressure vessels exposed to corrosive agents. Their outstanding resistance to pitting, crevice corrosion, and stress corrosion ensures long-lasting performance in aggressive environments. Sayam Nickel Alloys’ Hastelloy Flanges provide durable, reliable, and low-maintenance solutions, making them the preferred choice for engineers handling critical piping and equipment connections where safety, corrosion resistance, and operational efficiency are paramount.
