Supachok Flanges, based in Bangkok, Thailand, stands out as a top manufacturer and supplier of high-quality Super Duplex Steel Weldneck Flanges. These flanges are specifically crafted for applications that demand strength and resistance to corrosion. With a commitment to precision and adherence to international standards, Supachok delivers products that excel in even the toughest industrial settings. Their advanced forging techniques and rigorous quality control ensure that each flange offers outstanding durability, reliability, and performance.
What makes these flanges exceptional is their composition—a well-balanced mix of chromium, molybdenum, nickel, and nitrogen. This unique alloy grants them impressive strength and remarkable resistance to corrosion, especially against pitting and stress corrosion cracking. On a mechanical level, they deliver high tensile and yield strength, excellent toughness, and superior fatigue resistance. The weldneck design is particularly beneficial, as it ensures even stress distribution, reducing the chances of flange failure under high pressure and temperature. Lightweight yet incredibly strong, these flanges are perfect for harsh conditions, seamlessly blending durability, corrosion resistance, and mechanical reliability for critical 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, MSuper Duplex Steel S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092 |
| Pressure Rating ANSI | Class 150 LBS, 300 LBS, S32750 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 15 NB (1/2″) to 200 NB (8″) Equal and Reducing Configurations |
| 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 AS 2129: Table D; Table E; Table H ANSI B16.5, ANSI B16.47 Series A & B, MSuper Duplex Steel SP44, ASA, API-605, AWWA, Custom Drawings ANSI : ANSI B16.5, ANSI B16.47(API605), MSuper Duplex Steel SP44, ANSI B16.36, ANSI B16.48 ANSI B16.5, ANSI B16.47, MSuper Duplex Steel SP44, ANSI B16.36, ANSI B16.48 American standard (ANSI) German (DIN) British standard (BS) 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 Super Duplex Steel S32760 Super Duplex Steel Flanges The other standard: AWWA C207; EN1092-1, GOST12820, JIS B2220; KS B1503, SABS1123; NFE29203; UNI2276 |
| Grades | Super Duplex Steel S32750, S32950, S32760, F52, F53, F55, F52 |
Supachok Flanges, a leading supplier in Bangkok, Thailand, offers an extensive selection of Super Duplex Steel weldneck 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.
You’ll find Super Duplex Steel Weldneck Flanges in action in offshore oil and gas pipelines, chemical processing plants, petrochemical refineries, and marine installations where strength and corrosion resistance are non-negotiable. They’re also utilized in power plants, seawater systems, desalination units, and heat exchangers. The weldneck design not only allows for smooth alignment and leak-proof sealing but also ensures efficient load distribution, promoting safe operation even in high-pressure and high-temperature scenarios. With their long-lasting durability, operational efficiency, and resistance to harsh chemicals, Supachok Flanges truly deliver on their promise of quality.
Super Duplex Steel Weldneck Flanges find widespread use in industries where strength, corrosion resistance, and durability are of prime concern. Some of the typical uses include the oil and gas industry, offshore platforms, chemical processing industries, and power generation. These flanges are most suitable to be used in environments that experience aggressive media, high temperatures, and pressure and thus are perfect for subsea pipelines, heat exchangers, and pressure vessels. Its improved crevice corrosion, stress corrosion cracking, and pitting resistance makes them the best choice for harsh environments. Super Duplex Steel Weldneck Flanges provide a strong and safe union under aggressive industrial environments, enhancing the overall system performance and safety.
| ASME/ANSI B 16.5 | Welding Neck Flange |
| PRESSURE CLASS | 150, 300, 400, S32750, 900, 1500, 2500 |
| ASME/ANSI B 16.47 | Blind Flange [Series A & B],Welding Neck Flange |
| PRESSURE CLASS | 75, 150, 300, 400, S32750, 900 |
| ASME/ANSI B 16.36 | Welding Neck Flange |
| PRESSURE CLASS | 300, 400, S32750, 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, S32750, 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 Weldneck 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.
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