Supachok Flanges, a well-respected manufacturer and supplier based in Bangkok, Thailand, has built a solid reputation for crafting high-quality Alloy 20 Flat Flanges that meet international standards. These flanges are expertly designed to offer outstanding resistance to sulfuric acid, chloride stress cracking, and a variety of other harsh chemicals. Thanks to their advanced engineering and rigorous quality control, Supachok Flanges ensures that their products deliver strength, durability, and precise performance. Alloy 20 Flat Flanges find their place in industries that require strong and corrosion-resistant connections, serving sectors like chemical processing, petrochemical, pharmaceuticals, marine, and food processing with dependable and long-lasting solutions.
Made primarily from nickel, iron, and chromium, Alloy 20 Flat Flanges also include notable amounts of copper and molybdenum, which boost their resistance to pitting, crevice corrosion, and chemical attacks. Mechanically, they boast high tensile and yield strength, good elongation, and impressive toughness across a range of temperatures. These flanges are built to withstand stress, ensuring a long service life even in aggressive environments. Their well-balanced mechanical and chemical properties make them perfect for industrial applications where both strength and corrosion resistance are essential for safe and efficient operations.
| 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 | |
Supachok Flanges, a leading supplier in Bangkok, Thailand, 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 are widely utilized in industries that deal with corrosive fluids and gases. In chemical and petrochemical facilities, they are commonly found in pipelines transporting sulfuric acid and other potent chemicals. The pharmaceutical and food processing sectors favor them for their hygienic qualities and resistance to contamination. Additionally, they are used in marine engineering, offshore platforms, and power generation plants, where exposure to tough conditions is a regular occurrence. Their flat design facilitates secure, leak-proof connections, making them ideal for systems that require easy installation, high reliability, and long-term durability in challenging environments.
| 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 |
Yes, we offer custom sizes for Alloy 20 Flat Flanges to meet specific project needs. Our team at Supachok Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@supachokflanges.com.
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.
Our team is ready to assist you. Contact us for any queries or personalized solutions.
Copyright 2024 Supachok Flanges, All rights reserved
