Carbon Steel Flanges – Manufacturer, Exporter, Supplier & Stockist in India

Vandan Alloys is a Mumbai, India based manufacturer, exporter, supplier and stockist of Carbon Steel Flanges for industrial piping, oil & gas, petrochemical, refinery, power and general engineering applications.

We supply carbon steel flanges in different sizes, pressure classes, flange types, facings and dimensional configurations as per applicable international standards and customer specifications.

Carbon Steel Flange Types

Our carbon steel flange range includes:

  • Carbon Steel Weld Neck Flanges

  • Carbon Steel Blind Flanges

  • Carbon Steel Slip-On Flanges

  • Carbon Steel Socket Weld Flanges

  • Carbon Steel Threaded Flanges

  • Carbon Steel Lap Joint Flanges

  • Carbon Steel Orifice Flanges

  • Carbon Steel Long Weld Neck Flanges

  • Carbon Steel RTJ Flanges

  • Carbon Steel Plate Flanges

  • Custom and Drawing Based Carbon Steel Flanges

The appropriate flange type depends on piping design, operating pressure, temperature, connection arrangement and project specification.

Carbon Steel Flange Grades

ASTM A105 Flanges

ASTM A105 Carbon Steel Flanges are widely used for pressure-containing piping components and industrial applications. They are available in Weld Neck, Blind, Slip-On and other configurations according to the applicable standard.

ASTM A105N Flanges

A105N Flanges are normalized carbon steel forgings supplied where the applicable specification or project requirement calls for normalized material condition.

Vandan Alloys supplies A105 and A105N flanges in different sizes, classes, facings and configurations as required.

Other carbon steel materials can also be considered against customer drawings, material specifications and project requirements.

Carbon Steel Flange Standards

Carbon steel flanges can be supplied according to applicable standards including:

ASTM A105 / ASME SA105, ASME B16.5, ASME B16.47, EN 1092-1, DIN, JIS and BS standards.

Dimensions such as outside diameter, thickness, bore, PCD, bolt-hole arrangement, facing and tolerances are manufactured according to the applicable standard or approved drawing.

Specifications

Carbon Steel Flanges are available in a wide range of nominal sizes depending on the flange type and applicable standard.

Pressure classes can include Class 150, 300, 400, 600, 900, 1500 and 2500, subject to size, material and applicable standard.

Available facings include Raised Face (RF), Flat Face (FF) and Ring Type Joint (RTJ) where applicable.

Flanges can be supplied with standard or customized bore dimensions, facing finish, bolt-hole arrangement, thickness and other dimensional requirements.

Applications of Carbon Steel Flanges

Carbon steel flanges are widely used for connecting pipes, valves, pumps, equipment and other piping components.

Typical applications include:

  • Oil & Gas Industry

  • Refineries

  • Petrochemical Plants

  • Chemical Processing

  • Power Plants

  • Water Treatment

  • Industrial Piping

  • Steam and Utility Lines

  • Process Piping

  • General Engineering

  • Plant Maintenance and Replacement

Material selection should be based on the actual operating conditions, fluid, pressure, temperature, corrosion environment and applicable engineering specification.

Manufacturing & Inspection

Vandan Alloys supplies carbon steel flanges according to the specified material and dimensional requirements. Manufacturing and heat treatment are carried out as required by the applicable material specification and purchase order.

Inspection can include chemical composition, mechanical properties, dimensional inspection, visual inspection, hardness testing, PMI and other specified tests.

Material Test Certificates can be supplied with the products, including EN 10204 Type 3.1 documentation when required. Third-party inspection can also be arranged according to customer or project requirements.

Custom Carbon Steel Flanges

We also manufacture and supply custom carbon steel flanges as per customer drawings.

Special requirements such as non-standard outside diameter, thickness, bore, PCD, bolt-hole configuration, facing, counterbore or special flange profile can be reviewed for manufacturing feasibility.

Customers can send their drawing, technical specification or dimensional details for quotation.

Carbon Steel Flanges Manufacturer & Exporter from India

Vandan Alloys supplies Carbon Steel Flanges from Mumbai, India to domestic and international customers.

We support requirements from distributors, stockists, EPC contractors, engineering companies, industrial plants and project procurement teams.

Our carbon steel flange supply includes standard products as well as custom and drawing-based flange manufacturing for export and industrial requirements.

Why Choose Vandan Alloys?

  • Carbon Steel Flanges in multiple configurations

  • ASTM A105 and A105N options

  • WNRF, Blind, Slip-On, Socket Weld and other types

  • Multiple pressure classes

  • Standard and custom dimensions

  • Material and dimensional inspection

  • EN 10204 Type 3.1 MTC available

  • Export packing and shipment support

  • Drawing-based manufacturing

  • Mumbai-based manufacturer and supplier

How to Order Carbon Steel Flanges

For a quotation, please provide:

Size + Flange Type + Material Grade + Class/PN + Facing + Quantity + Standard + Delivery Location

For non-standard requirements, please send the drawing or technical specification.

Vandan Alloys 

Manufacturer of All Types of Flanges

3/5, Sakar Bhavan, Ground Floor, 6th  Khetwadi lane, SVP Road ,Mumbai – 400 004. India

TEL+91 022 6610 9925Mobile no: 09892882255  GSTIN:  27AUMPS2067F1ZB

Email: info@vandanalloys.com ; Web: www.vandanalloys.com

Please visit Our Flanges Division:www.vandanalloys.net


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Vandan Alloys manufactures and exports Carbon Steel Flanges in ASTM A105 and A105N. WNRF, Blind, Slip-On, Socket Weld, RTJ and custom flanges.

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Sep 3rd, 2026 12:31 PM