Niazi Stainless has earned its reputation as a leading manufacturer and supplier of Stainless Steel Flanges in Manama, Bahrain. They’re well-known for providing top-notch, precision-engineered flange solutions that cater to a variety of industrial needs. With a strong focus on excellence, innovation, and durability, Niazi Stainless crafts flanges that can handle tough operating conditions, including high pressure, extreme temperatures, and corrosive environments. Their extensive selection includes various types of flanges, such as slip-on, weld neck, blind, socket weld, threaded, and lap joint, all made in accordance with international standards. Committed to customer satisfaction, Niazi Stainless guarantees reliable performance, outstanding strength, and a long service life for every product they offer.
Stainless Steel Flanges from Niazi Stainless are usually made up of a mix of chromium, nickel, and molybdenum, depending on the specific grade like SS 304, SS 304L, SS 316, and SS 316L. These materials give them fantastic resistance to corrosion and oxidation, as well as great weldability. When it comes to mechanical properties, they boast high tensile strength, impact resistance, and hardness, which makes them perfect for high-pressure and high-temperature situations. Plus, they’re incredibly durable, precise in dimensions, and resistant to chemicals, acids, and environmental challenges, ensuring they perform reliably across a wide range of industrial applications.
| Specifications | ASTM A182 / ASME SA182 |
| Size | 1/8″ NB TO 48″ NB |
| Standards | ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc. |
| Class / Pressure | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc. |
| Standard | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc. |
| Grades | S31803 / S32205 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61 |
| ASTM A182 GRADE | C | Mn | P | S | Si | Ni | Cr | Mo | Nb | Ti | Others |
|---|---|---|---|---|---|---|---|---|---|---|---|
| F304(1) | 0.08 | 2.0 | 0.045 | 0.030 | 1.0 | 8.0-11.0 | 18.0-20.0 | ||||
| F304H | 0.04-0.10 | 2.0 | 0.045 | 0.030 | 1.0 | 8.0-11.0 | 18.0-20.0 | ||||
| F304L(1) | 0.030 | 2.0 | 0.045 | 0.030 | 1.0 | 8.0-13.0 | 18.0-20.0 | ||||
| F304N(2) | 0.08 | 2.0 | 0.045 | 0.030 | 1.0 | 8.0-10.5 | 18.0-20.0 | ||||
| F304LN(2) | 0.030 | 2.0 | 0.045 | 0.030 | 1.0 | 8.0-10.5 | 18.0-20.0 | ||||
| F309H | 0.04-0.10 | 2.0 | 0.045 | 0.030 | 1.0 | 12.0-15.0 | 22.0-24.0 | ||||
| F310 | 0.25 | 2.0 | 0.045 | 0.030 | 1.0 | 19.0-22.0 | 24.0-26.0 | ||||
| F310H | 0.04-0.10 | 2.0 | 0.045 | 0.030 | 1.0 | 19.0-22.0 | 24.0-26.0 | ||||
| F310MoLN | 0.030 | 2.0 | 0.030 | 0.015 | 0.40 | 21.0-23.0 | 24.0-26.0 | 2.0-3.0 | N 0.10-0.16 | ||
| F316 | 0.08 | 2.0 | 0.045 | 0.030 | 1.0 | 10.0-14.0 | 16.0-18.0 | 2.0-3.0 | |||
| F316H | 0.04-0.10 | 2.0 | 0.045 | 0.030 | 1.0 | 10.0-14.0 | 16.0-18.0 | 2.0-3.0 | |||
| F316L(1) | 0.030 | 2.0 | 0.045 | 0.030 | 1.0 | 10.0-15.0 | 16.0-18.0 | 2.0-3.0 | |||
| F316N(2) | 0.08 | 2.0 | 0.045 | 0.030 | 1.0 | 11.0-14.0 | 16.0-18.0 | 2.0-3.0 | |||
| F316LN(2) | 0.030 | 2.0 | 0.045 | 0.030 | 1.0 | 11.0-14.0 | 16.0-18.0 | 2.0-3.0 | |||
| F316Ti | 0.08 | 2.0 | 0.045 | 0.030 | 1.0 | 10.0-14.0 | 16.0-18.0 | 2.0-3.0 | (3) | N 0.10 max | |
| F317 | 0.08 | 2.0 | 0.045 | 0.030 | 1.0 | 11.0-15.0 | 18.0-20.0 | 3.0-4.0 | |||
| F317L | 0.030 | 2.0 | 0.045 | 0.030 | 1.0 | 11.0-15.0 | 18.0-20.0 | 3.0-4.0 | |||
| F321 | 0.08 | 2.0 | 0.045 | 0.030 | 1.0 | 9.0-12.0 | 17.0-19.0 | (4) | |||
| F321H | 0.04-0.10 | 2.0 | 0.045 | 0.030 | 1.0 | 9.0-12.0 | 17.0-19.0 | (5) | |||
| F347 | 0.08 | 2.0 | 0.045 | 0.030 | 1.0 | 9.0-13.0 | 17.0-20.0 | (6) | |||
| F347H | 0.04-0.10 | 2.0 | 0.045 | 0.030 | 1.0 | 9.0-13.0 | 17.0-20.0 | (7) | |||
| F348 | 0.08 | 2.0 | 0.045 | 0.030 | 1.0 | 9.0-13.0 | 17.0-20.0 | (6) | Co 0.20 Ta 0.10 | ||
| F348H | 0.04-0.10 | 2.0 | 0.045 | 0.030 | 1.0 | 9.0-13.0 | 17.0-20.0 | (7) | Co 0.20 Ta 0.10 |
| ASTM A182 Grade | Minimum Tensile Strength in MPa | Minimum Yield point in Mpa | Minimum Elongation in % | Minimum Reduction of in min, % |
| Stainless Steel Flanges | 515 | 205 | 30 | 50 |
Contact us to get a quick quote for your requirement.
Niazi Stainless is a leading supplier, and stockist of high-quality stainless steel Flanges in Manama, Bahrain. Our products are widely used in various applications, and we are committed to delivering excellent service, resulting in high customer satisfaction. Our unique finishing techniques further distinguish us in the stainless steel industry. We are dedicated to consistently providing superior products and effectively meeting our customer’s needs.
The pressure rating of stainless steel flanges typically ranges from 150 to 2500 PSI, depending on the flange type, size, and material grade. Ratings may vary based on industry standards like ASME, ANSI, or API.
Yes, we provide SS flanges standard and customized dimensions and polishes to meet your specific project requirements. For more details mail us on sales@niazistainless.com
To maintain stainless steel flanges, regularly clean them to remove dirt, debris, and corrosive elements. Inspect for signs of corrosion or damage and apply protective coatings if necessary.
Stainless Steel Flanges from Niazi Stainless are a go-to choice in many industries, thanks to their reliability and top-notch performance. You’ll find them in oil and gas pipelines, petrochemical facilities, water treatment plants, power generation, food processing, and even pharmaceutical equipment. These flanges are designed to create secure, leak-proof connections in piping systems, making them perfect for high-pressure, corrosive, and extreme-temperature situations. Their ability to work seamlessly with pumps, valves, and pipes means they’re vital in industrial plumbing, fire protection systems, marine engineering, and HVAC applications. With their impressive versatility and long-lasting durability, these flanges are essential for keeping critical industrial operations running smoothly.
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