Alloy 20 Socket Weld Flanges Manufacturer and Supplier in Da Nang, Vietnam

Quan Flanges and Plates, based in Da Nang, Vietnam, is a reliable manufacturer and supplier of Alloy 20 Socket Weld Flanges. They pride themselves on delivering top-notch products designed for high-performance and corrosion-resistant piping systems. Known for their durability, precision, and easy installation, these flanges excel in small-diameter, high-pressure applications. With remarkable resistance to sulfuric acid and harsh chemicals, Alloy 20 socket weld flanges are a popular choice in critical industries. Quan Flanges and Plates adheres to international quality standards, offering customized, cost-effective, and long-lasting flange solutions for clients in the chemical, petrochemical, marine, oil, gas, and power generation sectors.

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Alloy 20 SWRF Flanges

Alloy 20 SWRTJ Flanges

Alloy 20 SWFF Flanges

Alloy 20 Socket Weld Flanges are made up of nickel (32–38%), chromium (19–21%), and iron (the balance), along with molybdenum (2–3%), copper (3–4%), and niobium for stabilization. This unique blend provides excellent resistance to sulfuric acid, chloride stress cracking, and general corrosion. On the mechanical side, they boast a tensile strength of about 551 MPa, yield strength of 241 MPa, and an elongation of 30–35%. Their forged structure enhances toughness, durability, and hardness, making them ideal for high-pressure, high-temperature, and corrosive environments in industrial piping systems.

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Alloy 20 Socket Weld 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, 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 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 B462 20 Alloy Flanges The other standard: AWWA C207; EN1092-1, GOST12820, JIS B2220; KS B1503, SABS1123; NFE29203; UNI2276
Grades	Alloy 20

Largest Alloy 20 Socket Weld Flanges Supplier in Da Nang, Vietnam

Quan Flanges, a leading supplier in Da Nang, Vietnam, offers an extensive selection of Alloy 20 Socket Weld 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 Socket Weld Flanges find extensive use in industries where secure, high-pressure connections are essential. They’re commonly used in chemical and petrochemical plants for managing acids, solvents, and corrosive fluids. The oil and gas sector employs them in pipelines, offshore facilities, and processing units, while power plants utilize them in steam and high-temperature fluid systems. The pharmaceutical and food processing industries also take advantage of their corrosion resistance and clean finish. Moreover, marine and pollution control applications depend on Alloy 20 socket weld flanges for their durability, leak-proof sealing, and long-lasting performance in challenging operating conditions.

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Types of Alloy 20 Socket Weld Flanges

Alloy 20 Socket Weld Flanges Equivalent grades

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

Pressure Rating of Alloy 20 Socket Weld Flanges

ASME/ANSI B 16.5	Socket Weld Flange
PRESSURE CLASS	150, 300, 400, 600, 900, 1500, 2500
ASME/ANSI B 16.47	Blind Flange [Series A & B],Socket Weld Flange
PRESSURE CLASS	75, 150, 300, 400, 600, 900
ASME/ANSI B 16.36	Socket Weld 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

Are Custom Sizes Available for Alloy 20 Socket Weld Flanges?

Yes, we offer custom sizes for Alloy 20 Socket Weld Flanges to meet specific project needs. Our team at Quan Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@quanflanges.com.

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.