Alloy 20 Flanges

Alloy 20 Flanges

Vandan Alloys is a manufacturer, supplier, stockist and exporter of Alloy 20 Flanges, supplied for industrial piping systems and process equipment where strong corrosion resistance is required. Alloy 20 is a nickel-iron-chromium based alloy with additions that support performance in demanding chemical processing environments.

We supply Alloy 20 flanges in different types, sizes, pressure classes, facing configurations and drilling patterns according to customer drawings, specifications and project requirements.

Alloy 20 Flange Types

We manufacture and supply Alloy 20 Weld Neck Flanges, WNRF Flanges, Blind Flanges, Slip-On Flanges, Socket Weld Flanges, Threaded Flanges, Lap Joint Flanges, Orifice Flanges, Long Weld Neck Flanges, Plate Flanges and RTJ Flanges.

Custom flange configurations can also be supplied with special bore, drilling, thickness, facing and dimensional requirements.

Alloy 20 Flange Specifications

Material: Alloy 20

Material Grade: ASTM B462 / applicable Alloy 20 forging specification

UNS Grade: UNS N08020

Applicable Standards: ASME B16.5, ASME B16.47 and other applicable standards

Pressure Classes: Class 150, 300, 600, 900, 1500 and 2500

Size Range: 1/2“ to 24” and larger sizes as required

Facing: RF, FF and RTJ

Flange Types: WN, WNRF, Blind, Slip-On, Socket Weld, Threaded, Lap Joint, Orifice, Long Weld Neck and Plate

Inspection: Visual, dimensional and additional inspection as required

Documentation: EN 10204 Type 3.1 Material Test Certificate

Special Requirements: Custom bore, drilling, thickness, facing and dimensions available

Alloy 20 WNRF Flanges

Alloy 20 WNRF Flanges are manufactured for process piping applications where corrosion resistance and a dependable welded flange connection are important. They can be supplied with required bore, bolt-hole drilling and RF, FF or RTJ facing.

Alloy 20 Blind Flanges

Alloy 20 Blind Flanges are used for closing pipe ends, valves, pressure vessels and equipment nozzles. We supply different sizes and pressure classes according to customer requirements.

Alloy 20 Slip-On Flanges

Alloy 20 Slip-On Flanges are suitable for specified industrial piping connections. Vandan Alloys supplies them with customer-required bore, thickness, drilling arrangement and facing.

Alloy 20 Socket Weld Flanges

Alloy 20 Socket Weld Flanges are suitable for smaller-diameter piping systems where socket-welded connections are specified. Special dimensions can be manufactured according to drawings.

Applications

Alloy 20 Flanges are used in chemical processing, sulfuric acid handling, pharmaceutical equipment, food-processing plants, chemical storage systems, petrochemical facilities, process piping and other corrosion-intensive industrial applications.

Quality & Inspection

Before dispatch, flanges can be inspected for material identification, dimensions, thickness, bore, bolt-hole arrangement, facing, surface condition and marking. Material Test Certificates and inspection documentation can be supplied as required.

Why Choose Vandan Alloys?

Manufacturer, Supplier, Stockist & Exporter

Alloy 20 / UNS N08020 flanges

Multiple flange designs and pressure classes

RF, FF and RTJ facing options

Customized flange manufacturing available

EN 10204 Type 3.1 MTC available

Export-quality packaging

Worldwide supply

Get a Quote

For Alloy 20 Flanges, send us your required size, flange type, pressure class, quantity, facing, drilling and applicable standard. Vandan Alloys will provide a suitable technical and commercial quotation.

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Alloy 20 Flanges Manufacturer, Supplier & Exporter | Vandan Alloys

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Vandan Alloys manufactures, supplies, stocks and exports Alloy 20 Flanges in UNS N08020 for chemical processing, acid handling and corrosion-resistant piping applications.

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