Alloy 20 Flanges

Hindco Steel and Alloys is recognized as one of the best Alloy 20 Flanges Manufacturers in India that manufactures top-quality products for the international markets. These flanges, which are highly sought after due to their excellent resistance to corrosion and long service life, have been employed as the first choice in the industries of liquid sulfur, chemical solutions, and extreme environments. Being one of the leading Alloy 20 Flanges Suppliers, Hindco Steel and Alloys go beyond what is expected and deliver the products that conform to various international standards such as ASTM, ASME, ANSI, DIN, and EN etc. thus ensuring prolonged performance and reliability.

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What are Alloy 20 Flanges?

Alloy 20 Flanges, or appropriately Carpenter 20 flanges, are those flanges manufactured out of a nickel-iron-chromium alloy with a few additions of copper and molybdenum. The one-of-a-kind chemical formula will provide the product with perfect service properties like resistance to pitting, crevice corrosion, and stress caused by chloride. Hindco Steel and Alloys is counted amongst the reliable Alloy 20 Flanges Stockists who always carry in stock the vast sizes and specifications to suit different application needs. Being the most reliable Alloy 20 Flanges Exporters in Europe, the Middle East, Africa, and Asia, we have customers who count on us for the success of their challenging projects.

The reasons for it are quite obvious and even the advantages of Alloy 20 Flanges make it more than just a characteristics in the competition with the other stainless steel grades. Their property of keeping the sulfuric acid from attacking them made them inevitable for the chemical and pharmaceutical industries. They also provide high mechanical strength, great weldability, and resistance to hot and cold working. Being one of the prominent Alloy 20 Flanges Manufacturers, Hindco Steel and Alloys is committed to precision in every product and therefore it is a pleasure to witness the consistency in the quality of our products for our clients in the USA, UK, Germany, UAE, and Australia.

There are various types of Alloy 20 Flanges, such as slip-on flanges, weld neck flanges, socket weld flanges, blind flanges, lap joint flanges, threaded flanges, and ring-type joint flanges. Each of them has different features in compliance with the specific requirements of these metals in the industry, whether they're used in high-pressure environments or in a line that can be dismantled easily. As the seasoned Alloy 20 Flanges Suppliers, Hindco Steel and Alloys, maintained all models in ready-to-ship conditions, so we stock one of the most significant Alloy 20 Flanges Stockists in India and abroad where we are equally reliable.

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The main reason why these flanges are preferred in the chemical industry is the fact that they are extremely resistant to aggressive chemicals, especially sulfuric acid solutions, which, in turn, makes the whole process safe and efficient.

As far as the pharmaceutical industry is concerned, the main reason why these flanges are the most trustable is the fact that they make sure of the highest purity standards and they are against any kind of contamination, thus providing for a safe environment of production.

The food and beverage industry is also one of the beneficiaries of the Alloy 20 Flanges because they are capable of resisting acidic and chloride-rich environments which are hygienic and long-lasting equipment.

The oil and gas industry is greatly benefited from the Alloy 20 Flanges which make sure of the strength and the resistance of the equipment against sour gas and offshore conditions hence making it possible for the service life of the critical pipelines to be extended.

The pulp and paper industry that makes use of the most efficient partners in the form of Alloy 20 Flanges to maximize resistance to bleaching agents and acidic solutions, thus ensuring plant integrity and minimizing downtime.

The main reason why the marine industry is purchasing Alloy 20 Flanges is because of their chloride corrosion resistance, thus, they are very durable in saltwater conditions.

Depending on the locality and the standards, the names of Alloy 20 Flanges may vary. In the USA, they are called Carpenter 20 or UNS N08020 flanges, while in Europe, EN 2.4660 flanges are the most commonly used designation. In Japan, they are referred to as JIS Alloy 20 flanges, and Middle East markets usually specify them by ASTM B462. In India, they are mostly known as ASTM SB462 Alloy 20 flanges. Hindco Steel and Alloys is one of the global Alloy 20 Flanges Exporters who makes sure that all the different kinds meet the requirements of the customers.

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Specifications Of Alloy 20 Flanges

Specifications Alloy 20 Flanges
B16.5 Alloy 20 Flanges size range 1/2" (15 NB) to 48" (1200NB) DN10~DN5000
Alloy 20 Flanges Standards ANSI/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 Flanges.
Alloy 20 Flanges Standard ANSI Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS
Alloy 20 Flanges Standard DIN 6Bar 10 16 25 40 / PN6 10 16 25 40, 64
Alloy 20 Flanges Standard JIS 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K
Alloy 20 Flanges Standard UNI 6Bar 10Bar 16Bar 25Bar 40Bar
Alloy 20 Flanges Standard EN 6Bar 10Bar 16Bar 25Bar 40Bar
Main Types Forged / Threaded / Screwed / Plate
Flanges supporting material Gasket, Ring Joint, Bolts
Most common types of Alloy 20 Flanges
  • Weld Neck Ring Flanges (WNRF), Alloy 20
  • Slip-On Ring Flanges (SORF), Alloy 20
  • Blind Ring Flanges (BLRF), Alloy 20
  • Socket Weld Ring Flanges (SWRF), Alloy 20
  • Threaded Ring Flanges, Alloy 20
  • Lap Joint Ring Flanges (LJRF), Alloy 20
  • Ring Type Joint Flanges (RTJF), Alloy 20
Production technique
  • Forged, Heat treated and machined
Connect Type/ 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
Special design

As per your drawing

AS, ANSI, BS, DIN and JIS
15 NB (1/2") to 200 NB (8")
Equal and Reducing Configurations

Alloy 20 Threaded Flange, Socketweld Flange, Slip-On Flange, Blind Flange, Weld Neck Flange

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
Origin Indian / West Europe / Japan / USA / Korean
Specialized manufacturer of
  • Rtj Flange
  • Pn16 Flange
  • DIN 2566 pn16
  • DIN 2566 en 1092 1
  • DIN 2566 pn10
  • Alloy 20 Large Diameter Flange
  • Alloy 20 Sorf Flange
  • Alloy 20 Blind Flanges
  • Alloy 20 Table Flanges
  • Alloy 20 Weld Neck Flanges
  • Alloy 20 Threaded Flanges
  • Alloy 20 Slip-On Flanges
  • Alloy 20 Socketweld Flanges
  • Alloy 20 Plate Flanges
  • Alloy 20 Lap Joint Flanges
  • Alloy 20 Loose Flanges
  • Alloy 20 Orifice Flanges
  • Alloy 20 AS 4087 Water Flanges
Alloy 20 Flanges Standard

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, B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
  • ANSI : B16.5, B16.47(API605), MSS SP44, B16.36, B16.48
  • ANSI B16.5, B16.47, MSS SP44, B16.36, B16.48
  • American standard (ANSI)
  • German (DIN)
  • British standard (BS)
  • Any other specilised flanges
  • DIN: 2527, 2566, 2573, 2576, 2641, 2642, 2655, 2656, 2627, 2628, 2629, 2631, 2632, 2633, 2634, 2635, 2636, 2637, 2638
  • The other standard: AWWA C207; EN1092-1, GOST12820, JIS B2220; KS B1503, SABS1123; NFE29203;UNI2276
Key markets and industries for Alloy 20 Flanges
  • Bitumen upgraders.
  • Heavy oil refineries.
  • Nuclear power (mostly seamless).
  • Petrochemicals and acids.
Export to Ireland, Singapore, Indonesia, Ukraine, Saudi Arabia, Spain, Canada, USA, Brazil, Thailand, Korea, Iran, India, Egypt, Oman, Dubai, Peru, etc
Alloy 20 Flanges Application
  • To Connect Pipe & Tubes in Petroleum, Power, Chemical, Construction, Gas, Metallurgy, Shipbuilding etc

Chemical Composition Of Alloy 20 Flanges

Grade C Mn Si S Cu Ni Cr Fe Mo P
Alloy 20 0.07 max 2.00 max 1.00 max 0.035 max 3.0-4.0 32.0-38.0 19.0-21.0 29.85 min* 2.0-3.0 0.045 max

Mechanical Properties Of Alloy 20 Flanges

Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
8.1 g/cm3 1443 °C (2430 °F) Psi -80,000, MPa -551 Psi – 35,000, MPa – 241 30%

Application Of Industries

Power Plants

Construction

Petrochemical

Aerospace

Refineries

Chemical

Oil & Gas

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