Lukies Flanges is a leading manufacturer and supplier of Alloy 20 Flat Flanges based in Kinshasa, Congo, dedicated to providing premium-quality flanges that meet international standards. With advanced manufacturing facilities and skilled professionals, the company ensures superior performance, durability, and corrosion resistance in all its products. Designed to withstand harsh chemical environments, Alloy 20 Flat Flanges are ideal for industries such as chemical processing, pharmaceuticals, and petrochemicals. Lukies Flanges focuses on delivering products with precise dimensions and excellent surface finish, offering dependable solutions to clients across Congo and the African industrial sector with consistent quality and reliability.
Alloy 20 Flat Flanges are composed primarily of nickel, chromium, iron, molybdenum, and copper, providing excellent resistance to sulfuric acid, phosphoric acid, and chloride stress corrosion cracking. They offer a tensile strength of about 551 MPa, yield strength of 241 MPa, and elongation around 30%, ensuring superior mechanical stability and formability. The presence of nickel and molybdenum enhances corrosion resistance, while chromium contributes to oxidation protection. These balanced chemical and mechanical properties make Alloy 20 Flat Flanges ideal for demanding industrial environments requiring strength, ductility, and long-term service performance.
| Specification | ASTM B462 / ASME SB462 |
|---|---|
| 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, JISAlloy 20220, 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, Alloy 20-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 B462 Alloy 20 Flanges |
| Grades | Alloy 20 |
| Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175 | |
Lukies Flanges, a leading supplier in Kinshasa, Congo, offers an extensive selection of Alloy 20 Flat 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.
Alloy 20 Flat Flanges find extensive use across the chemical, petrochemical, pharmaceutical, food processing, and power generation sectors. They are particularly well-suited for connecting pipes, valves, pumps, and pressure vessels that handle corrosive fluids like sulfuric acid, phosphoric acid, and chlorides. With their flat design, these flanges provide a consistent sealing surface for bolted connections, ensuring leak-proof joints in storage tanks, reactors, heat exchangers, and high-pressure pipelines. Their blend of corrosion resistance, mechanical strength, and durability makes them a go-to choice for demanding applications.
| STANDARD | WERKSTOFF NR. | UNS | AFNOR | EN |
| Alloy 20 | 2.4660 | N08020 | Z2NCUD31-20AZ | NiCr20CuMo |
| ASME/ANSI B 16.5 | Flat Face Flange |
| PRESSURE CLASS | 150, 300, 400, 600, 900, 1500, 2500 |
| ASME/ANSI B 16.47 | Blind Flange [Series A & B],Flat Face Flange |
| PRESSURE CLASS | 75, 150, 300, 400, 600, 900 |
| ASME/ANSI B 16.36 | Flat Face 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 Flat Face |
| 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 |
Alloy 20 Flat Flanges, manufactured and supplied by Lukies Flanges in Kinshasa, Congo, are extensively used in chemical plants, pharmaceutical units, food processing industries, and power generation systems. These flanges are particularly suitable for handling sulfuric acid, nitric acid, and other corrosive chemicals, providing reliable sealing and strong connections in pipelines and equipment. They are used in heat exchangers, storage tanks, reactors, and process piping systems, where resistance to corrosion and high strength are essential. With excellent mechanical and anti-corrosive properties, Lukies Flanges’ Alloy 20 Flat Flanges ensure safe, efficient, and long-lasting performance in critical industrial applications.
We are renowned for delivering products with precise, accurate dimensions. Each product undergoes thorough testing, both destructive and non-destructive, to ensure quality before being shipped to our customers.
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