Hudson Flanges is a leading manufacturer in Midland, UK, of high quality flanges for a variety of industrial applications. We offer a wide range of products, including Duplex Steel Long Weld Neck Flanges, known for superior durability, corrosion resistance and durability Our commitment to accuracy and reliability ensures that each flange meets the highest industry standards. Focusing on customer satisfaction, we deliver customized solutions tailored to the specific needs of the business, making us a trusted partner in the industry.
Duplex Steel Long Weld Neck Flanges are made from a combination of austenite and ferritic stainless steel, providing high strength and corrosion resistance Common elements include chromium (22-25%), nickel ( 4.5-6%), molybdenum (3%). , and nitrogen, which balance the properties of the two steel types These flanges have great tensile strength, excellent fatigue resistance and excellent resistance to pitting and crevice corrosion. Advantages include hard surface areas (e.g. chloride absorption), reduced weight, and extended life, making them ideal for industries such as petrochemical, marine and chemical processing.
Specification | ASTM A182 / ASME SA182 |
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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 (F), 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, MSS SP44, ASA, API-605, AWWA, Custom Drawings ANSI : ANSI B16.5, ANSI B16.47(API605), MSS SP44, ANSI B16.36, ANSI B16.48 ANSI B16.5, ANSI B16.47, MSS 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 F51 Duplex Steel Flanges The other standard: AWWA C207; EN1092-1, GOST12820, JIS B2220; KS B1503, SABS1123; NFE29203; UNI2276 |
Grades | Duplex Steel S31803, F51, S32205, F60 |
Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175 |
Hudson Flanges, a premier supplier in Midland, UK, specializes in high-quality Duplex Steel Long Weld Neck Flanges, valued for their exceptional durability, corrosion resistance, precise engineering, and suitability across diverse industrial applications.
Duplex Steel Long Weld Neck Flanges are widely used in applications requiring high strength and good corrosion resistance. Typical applications include oil and gas, chemical, petrochemical, power generation and marine industries. They are ideal for connecting pipes in harsh environments, such as those containing high levels of chloride, such as seawater or salt. These flanges are used in pressure vessels, heat exchangers, and offshore platforms to provide robustness and reliability in applications with high pressures, corrosion, and temperatures Their superior mechanical properties necessitate them for important and demanding programs.
STANDARD | WERKSTOFF NR. | UNS |
Duplex S31803 | 1.4462 | S31803 |
Duplex 2205 | 1.4462 | S32205 |
ASME/ANSI B 16.5 | Long Weld Neck Flange |
PRESSURE CLASS | 150, 300, 400, 600, 900, 1500, 2500 |
ASME/ANSI B 16.47 | Long Weld Neck Flange [Series A & B],Welding Neck Flange |
PRESSURE CLASS | 75, 150, 300, 400, 600, 900 |
ASME/ANSI B 16.36 | Long Weld Neck 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 Duplex Steel Long Weld Neck Flanges to meet specific project needs. Our team at Hudson Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@hudsonflanges.co.uk.
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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