Lukies Flanges is a leading manufacturer and supplier of Alloy 20 Lap Joint Flanges based in Kinshasa, Congo, known for delivering high-quality flange solutions built to international standards. Designed for superior corrosion resistance and durability, these flanges are ideal for use in harsh chemical and industrial environments. Lukies Flanges utilizes advanced technology and strict quality control to ensure precision, strength, and reliability in every product. Serving key sectors such as chemical processing, food, pharmaceuticals, and petrochemicals, the company is dedicated to offering efficient and cost-effective solutions. Lukies Flanges continues to be a trusted name in Congo’s industrial market.
Alloy 20 Lap Joint Flanges are composed mainly of nickel, chromium, iron, molybdenum, and copper, providing exceptional resistance to sulfuric acid, phosphoric acid, and chloride-induced corrosion. They exhibit a tensile strength of approximately 551 MPa, yield strength of 241 MPa, and elongation around 30%, ensuring excellent mechanical performance and ductility. The inclusion of molybdenum and copper enhances corrosion protection, while nickel and chromium contribute to structural stability and oxidation resistance. These properties make Alloy 20 Lap Joint Flanges ideal for use in demanding and corrosive industrial environments.
| 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, 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. BS Flange, EN Flange, API 6A Flange, ANSI Flange, ASME Flange, DIN Flange, EN1092-1 Flange, UNI Flange, JIS/ KS Flange, BS4504 Flange, GB Flange, AWWA C207 Flange, GOST Flange, PSI Flange 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 FAlloy 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 Lap Joint 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.
| STANDARD | WERKSTOFF NR. | UNS | AFNOR | EN |
| Alloy 20 | 2.4660 | N08020 | Z2NCUD31-20AZ | NiCr20CuMo |
| ASME/ANSI B 16.5 | Lap Joint Flange |
| PRESSURE CLASS | 150, 300, 400, 600, 900, 1500, 2500 |
| ASME/ANSI B 16.47 | Blind Flange [Series A & B],Lap Joint Flange |
| PRESSURE CLASS | 75, 150, 300, 400, 600, 900 |
| ASME/ANSI B 16.36 | Lap Joint 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 |
Alloy 20 Lap Joint Flanges, manufactured and supplied by Lukies Flanges in Kinshasa, Congo, are widely used in chemical plants, pharmaceutical industries, food processing facilities, and power generation systems. They are particularly suitable for handling sulfuric acid, nitric acid, and chloride-bearing solutions, where corrosion resistance is critical. These flanges are designed for systems requiring frequent dismantling, maintenance, or inspection, as they allow easy alignment and assembly. Common applications include heat exchangers, pressure vessels, process piping, and storage tanks. Lukies Flanges ensures that every Alloy 20 Lap Joint Flange delivers superior strength, long service life, and reliable performance in critical operations.
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.
Alloy 20 Lap Joint Flanges, crafted by Lukies Flanges in Kinshasa, Congo, are a go-to choice for industries that demand exceptional corrosion resistance and mechanical reliability. You’ll often find them in chemical processing plants, pharmaceutical equipment, and petrochemical pipelines, where they regularly face harsh acids and high temperatures. Their lap joint design makes them perfect for systems that need to be taken apart frequently for inspections or maintenance. Plus, they’re also used in desalination plants, food processing facilities, and offshore installations. With their impressive strength, durability, and resistance to pitting and crevice corrosion, these flanges deliver reliable performance across a wide range of industrial applications.
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