Gugsa Flanges, a top-notch manufacturer and supplier based in Addis Ababa, Ethiopia, specializes in high-quality Alloy 20 Flanges that are engineered to perform exceptionally well in highly corrosive environments. These flanges are crafted to ensure secure, leak-proof connections in chemical, petrochemical, and industrial piping systems, where resistance to strong acids is absolutely essential. At Gugsa Flanges, the focus is on precision manufacturing, rigorous quality control, and strict adherence to international standards, which guarantees that their Alloy 20 Flanges provide reliable strength, durability, and long-lasting service. Thanks to their robust construction, these flanges are perfect for critical applications involving sulfuric acid handling, chemical processing, and other aggressive industrial operations.
Alloy 20 Flanges are made from Alloy 20, a unique nickel-iron-chromium alloy with added copper, specifically designed to resist sulfuric acid and other corrosive chemicals. They boast impressive mechanical properties, including high tensile and yield strength, toughness, and stability even at elevated temperatures. This alloy offers remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking. Alloy 20 Flanges maintain their structural integrity in harsh chemical environments, ensuring long-term durability and dependable performance for demanding industrial applications.
| Specification | ASTM A182 / ASME SA182 |
|---|---|
| Size Chart | 1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000 |
| 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 Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092 |
| Pressure Rating ANSI | Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS |
| Pressure Calculation in DIN | 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 |
| UNI | 6Bar 10Bar 16Bar 25Bar 40Bar |
| EN | 6Bar 10Bar 16Bar 25Bar 40Bar |
| Coating | Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized |
| Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
| Production Technique | Forged, Heat treated and machined |
| 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, Groove |
| Special design | As per your drawing AS, ANSI, BS, DIN and JIS |
| Test | Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector |
| Equipment | Press machine, Bending machine, Pushing Machine, electric bevelling machine, Sand-blasting machine etc |
| Manufacturer of | ANSI DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE etc. B.S: BS4504 , BS3293, BS1560, BS10 DIN: DIN 2527, DIN 2566, DIN 2573, DIN 2576, DIN 2641, DIN 2642, DIN 2655, DIN 2656, DIN 2627, DIN 2628, DIN 2629, DIN 2631, DIN 2632, DIN 2633, DIN 2634, DIN 2635, DIN 2636, DIN 2637, DIN 2638 ASTM A182 F53 Super Duplex Steel Flanges |
| Grades | Super Duplex Steel S32760, F53, F52, S32950, S32750, F55 |
| Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175 | |
Gugsa Flanges, a leading supplier in Addis Ababa, Ethiopia, offers an extensive selection of Super Duplex Steel Threaded Flanges, including weld neck flanges, slip-on flanges, blind flanges, threaded flanges, and lap joint flanges. Designed for diverse industrial applications, our high-quality inventory and commitment to exceptional service make us a trusted choice for flange products in the region.
Super Duplex Steel Threaded Flanges are highly valued by industries requiring superior corrosion resistance and high strength. They are extensively used in the oil and gas, chemical processing, power generation and marine industries. Their ability to withstand harsh environments, such as high pressure, high and low temperatures and hostile chemical media, qualifies them for subsea operations, offshore platforms, and chemical reactors. Threaded flanges are most precious in situations where welding is impossible because they may simply be screwed into pipes. They have long-lasting reliability and performance due to their immunity to pitting, crevice corrosion and stress corrosion cracking and hardness.
| ASME/ANSI B 16.5 | Threaded Flange |
| PRESSURE CLASS | 150, 300, 400, 600, 900, 1500, 2500 |
| ASME/ANSI B 16.47 | Blind Flange [Series A & B],Threaded Flange |
| PRESSURE CLASS | 75, 150, 300, 400, 600, 900 |
| ASME/ANSI B 16.36 | Threaded Flange |
| PRESSURE CLASS | 300, 400, 600, 900, 1500, 2500 |
| PRESSURE CLASS | PN 2.5 TO PN 40 |
| BS 4504[PART 1] | Hubbed Slip-On |
| PRESSURE CLASS | PN 2.5 TO PN 400 |
| BS 1560 BOSS | Hubbed Slip-On Hubbed Threaded |
| PRESSURE CLASS | 150, 300, 400, 600, 900, 1500, 2500 |
| BS10 | Plate Slip-On Flange, Slip-On Boss Flange |
| TABLE | D, E, F, H |
| DIN FLANGES | DIN 2527, 2566, 2573, 2576, 2641,2642, 2655, 2656, 2627, 2628, 2629, 2631, 2632, 2633, 2634, 2635, 2636, 2637,2638, 2673 |
| PRESSURE CLASS | PN 6 TO PN 100 |
Yes, we offer custom sizes for Super Duplex Steel Threaded Flanges to meet specific project needs. Our team at Gugsa Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@gugsaflanges.com.
These flanges are widely utilized in industries that require corrosion-resistant, high-strength, and leak-proof flange connections. They are particularly well-suited for chemical processing plants, sulfuric acid handling units, petrochemical industries, and oil and gas applications. Additionally, Alloy 20 Flanges are ideal for power generation, water treatment, and other industrial systems where high corrosion resistance and operational safety are crucial. By providing secure and durable pipeline connections, Alloy 20 Flanges enable efficient maintenance, inspection, and uninterrupted operation in aggressive chemical environments.
Our team is ready to assist you. Contact us for any queries or personalized solutions.
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