Alloy 20 Flat Flanges Manufacturer and Supplier in Dubai, UAE

Uday Flanges is a reliable maker and supplier of Alloy 20 Flat Flanges inDubai, UAE. With their accuracy engineering and commitment to quality, Uday Flanges supplies high-performance flanges that can resist harsh chemical environments. Their Alloy 20 Flat Flanges provide superior corrosion resistance, especially for systems that process sulfuric acid and other aggressive chemicals. Having a strong presence in sectors such as chemical processing, pharmaceutical, food and beverage, and marine uses, Uday Flanges provides assured supply, quick delivery, and specialized support—establishing them as a preferred supplier of corrosion-resistant flange solutions in the United States.

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Alloy 20 Flat Face Slip on Flanges

Alloy 20 Flat Face Blind Flanges

Alloy 20 Alloy Flat Face Weld Neck Flanges

Alloy 20 Flat Flanges contain mainly nickel (32–38%), chromium (19–21%), iron, copper (3–4%), molybdenum (2–3%), and niobium for stabilization, with trace amounts of elements such as manganese and silicon. These flanges have high mechanical properties such as tensile strength of around 620 MPa and yield strength of about 300 MPa. Alloy 20 is particularly formulated to provide resistance against sulfuric acid, stress corrosion cracking, and pitting. It has balanced chemistry for good weldability, formability, and long-term performance in acidic as well as chloride-containing environments, thereby making it most suitable for corrosive industrial use.

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Alloy 20 Flat Flanges Specification

Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175
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 15 NB (1/2″) to 200 NB (8″) Equal and Reducing Configurations
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. 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 B462 Alloy 20 Flanges The other standard: AWWA C207; EN1092-1, GOST12820, JIS B2220; KS B1503, SABS1123; NFE29203; UNI2276
Grades	Alloy 20

Largest Alloy 20 Flat Flanges Supplier in Dubai, UAE

Uday Flanges, a leading supplier in Dubai, UAE, 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.

Contact us to get a quick quote for your requirement.

We offer These Flanges as per DIN, ISO, JIS or ANSI Standard.

Alloy 20 Flat Flanges find applications in systems where corrosion resistance and a flat-sealing surface are needed, especially in acid- and harsh chemical-carrying systems. They find extensive application in chemical processing plants, acid-producing plants, pharmaceutical systems, and food and beverage plants. The flanges are suitable for low-pressure use and are bolted to companion flanges using gaskets to achieve a leak-proof seal. Their resistance to corrosion by sulfuric acid and chlorides leads to their use in heat exchangers, storage tanks, and process piping. Alloy 20 Flat Flanges are also effective in marine applications and pollution control equipment, providing long-term dependability.

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Types of Alloy 20 Flat Flanges

Alloy 20 Flat Flanges Equivalent grades

STANDARD	WERKSTOFF NR.	UNS	AFNOR	EN
Alloy 20	2.4660	N08020	Z2NCUD31-20AZ	NiCr20CuMo

Pressure Rating of Alloy 20 Flat Flanges

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

Are Custom Sizes Available for Alloy 20 Flat Flanges?

Yes, we offer custom sizes for Alloy 20 Flat Flanges to meet specific project needs. Our team at Uday Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@udayflanges.ae.

Material Testing

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.