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Stainless Steel Flanges

Weld neck, slip-on, blind, socket weld, threaded and RTJ stainless steel flanges. Ready stock, certified quality and worldwide delivery for industrial piping.

Stainless Steel Flanges Supplier & Exporter

Siddhgiri Overseas is a trusted Stainless Steel Flanges Supplier & Exporter, offering premium-quality flanges manufactured to international standards such as ASME B16.5, ASME B16.47, ASTM, and AISI specifications. Our SS Flanges are designed to provide secure, leak-proof connections with excellent corrosion resistance, strength, and reliable performance across demanding piping systems.

We supply a comprehensive range of Stainless Steel Weld Neck, Slip-On, Blind, Socket Weld, Threaded, Lap Joint, Long Weld Neck, Ring Type Joint (RTJ), and Spectacle Blind Flanges in multiple sizes and pressure classes. With ready stock, certified materials, and timely global delivery, Siddhgiri Overseas serves customers across India, the UAE, Saudi Arabia, Qatar, Kuwait, Oman, South Africa, and other international markets.

Every flange is manufactured to recognised international standards and undergoes strict quality inspections to ensure dependable performance. With competitive pricing, export-grade packaging, and timely worldwide shipping, we deliver SS Flanges backed by complete material traceability.

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Stainless Steel Flanges Supplier

Why Choose Stainless Steel Flanges?

Stainless Steel Flanges provide a strong and leak-proof connection between pipes, valves, pumps, and other equipment, ensuring the safe transfer of fluids and gases in demanding industrial environments. Their excellent corrosion resistance, high mechanical strength, and ability to withstand elevated pressures and temperatures make them a preferred choice for critical piping systems.

Available in a wide range of sizes, pressure classes, and flange designs, SS Flanges are easy to install, inspect, and maintain. Their long service life and compatibility with international piping standards make them ideal for industries such as oil & gas, chemical processing, power generation, marine, pharmaceutical, water treatment, and food processing.

Why Stainless Steel Flanges Are the Preferred Choice

Excellent Corrosion Resistance

Stainless Steel Flanges provide outstanding resistance to rust, oxidation, and chemical attack, making them suitable for aggressive industrial environments and long-term reliable service.

High Mechanical Strength

Designed to withstand high operating pressures and temperatures, SS Flanges provide exceptional structural integrity and reliable performance under demanding service conditions.

Leak-Proof Connections

Engineered to create secure, pressure-tight seals that prevent fluid leakage while ensuring system integrity and safety across demanding industrial piping applications.

Easy Installation & Maintenance

Available in multiple types and configurations, SS Flanges simplify installation, inspection, and maintenance while allowing for easy system modifications and future expansions.

International Standards Compliance

Manufactured in accordance with ASME, ASTM, and other international standards, SS Flanges ensure dimensional accuracy, compatibility, and reliable performance across global piping systems.

Types of Stainless Steel Flanges We Supply

Siddhgiri Overseas supplies various types of Stainless Steel Flanges designed for specific piping applications and connection requirements.

Welded Connection Flanges

  • Weld Neck Flanges
  • Slip-On Flanges
  • Socket Weld Flanges
  • Long Weld Neck Flanges
  • Ring Type Joint (RTJ) Flanges

Non-Welded & Specialized Flanges

  • Blind Flanges
  • Threaded Flanges
  • Lap Joint Flanges
  • Spectacle Blind Flanges

Available Configurations

  • Raised Face (RF)
  • Flat Face (FF)
  • Ring Type Joint (RTJ)
  • Multiple Pressure Classes
  • Custom Specifications Available

Stainless Steel Flanges Specifications

Siddhgiri Overseas supplies Stainless Steel Flanges in a wide range of sizes, pressure classes, and configurations to suit diverse industrial piping applications.

Size Range: ½Ã¢â‚¬Â³ to 24″ NPS
Class 150 Flanges
Class 300 Flanges
Class 600 Flanges
Class 900 Flanges
Class 1500 & 2500 Flanges
Multiple Material Grades
Custom Specifications

Stainless Steel Flange Pressure Classes & Standards

Stainless Steel Flanges are manufactured in accordance with internationally recognised standards to ensure dimensional accuracy, pressure integrity, and compatibility with industrial piping systems.

International Standards

ASME B16.5 Standards ASME B16.47 Large Diameter BS 4504 British Standards DIN 2527-2656 European Standards ASTM A182 Material Specs ISO 9001:2015 Quality Certified

Pressure Classes & Ratings

Class 150 to Class 2500 ASME PN 2.5 to PN 100 Low, Medium & High Pressure High-Temperature Rated Cryogenic Service Available Custom Pressure Classes

Stainless Steel Flanges - Complete Specifications

Comprehensive technical specifications for Stainless Steel Flanges across all types, sizes, and pressure classes.

Specification Details
Standards ASME B16.5, ASME B16.47, ASTM, AISI
Size Range NPS ½Ã¢â‚¬Â³ to 24″
Pressure Classes Class 150, 300, 400, 600, 900, 1500, 2500
Available Types Weld Neck, Slip-On, Blind, Socket Weld, Threaded, Lap Joint, RTJ, Long Weld Neck, Spectacle Blind
Facing Types Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ)
Material Grades SS 304, 304L, 316, 316L, 321, 347, 904L and other stainless steel grades
Surface Finish Pickled, Passivated, Polished
Testing Hydrotest, PMI, NDT (RT/UT), Visual & Dimensional Inspection
Documentation EN 10204 3.1 MTC, Inspection Reports, Material Certificates

Applications of Stainless Steel Flanges

Stainless Steel Flanges are engineered to deliver outstanding performance across diverse industries and demanding operating conditions. Their exceptional corrosion resistance, strength, and durability make them the material of choice for critical piping applications worldwide.

Oil & Gas Industry

Stainless Steel Flanges are widely used in upstream, midstream, and downstream facilities for connecting pipelines, valves, pumps, and pressure equipment operating under high pressure and demanding service conditions.

Chemical & Petrochemical Plants

Their excellent corrosion resistance makes SS Flanges suitable for handling aggressive chemicals, acids, solvents, and process fluids in production and storage facilities.

Power Generation

Used in steam pipelines, boilers, condensers, heat exchangers, and cooling water systems where reliable sealing and long-term performance are essential.

Marine & Offshore Engineering

Stainless Steel Flanges offer outstanding resistance to seawater corrosion, making them ideal for shipbuilding, offshore platforms, desalination plants, and coastal infrastructure.

Pharmaceutical & Food Processing

Their hygienic surface finish, corrosion resistance, and ease of maintenance make them suitable for sanitary process piping, cleanrooms, and production equipment.

Water Treatment & Desalination

Commonly used in filtration systems, potable water distribution networks, wastewater treatment plants, and desalination facilities requiring durable, leak-proof pipe connections.

Pulp & Paper Industry

Stainless Steel Flanges perform reliably in piping systems carrying chemicals, steam, pulp slurry, and process water while resisting corrosion and wear.

HVAC & Industrial Utilities

Suitable for chilled water, compressed air, fire protection, and industrial utility piping systems where dependable flange connections are required.

Why Choose Siddhgiri Overseas for Stainless Steel Flanges?

Siddhgiri Overseas is a trusted Stainless Steel Flanges Supplier & Exporter, offering a complete range of flanges in various grades, sizes, pressure classes, and facing types to meet the requirements of industrial piping systems worldwide. Every flange is manufactured to recognised international standards and undergoes strict quality inspections to ensure dependable performance.

Extensive Inventory & Ready Stock

We maintain a comprehensive inventory of stainless steel flanges in various types, grades, sizes, and pressure classes. Our ready stock enables us to respond quickly to urgent requirements while supporting both small quantity orders and large-scale industrial projects.

Certified Quality Materials

All stainless steel flanges are supplied in accordance with internationally recognized standards. Each order undergoes quality inspection and is supplied with Mill Test Certificates (MTC) to ensure complete material traceability and compliance with project requirements.

Custom Processing Solutions

To simplify fabrication and meet project-specific requirements, we offer stainless steel flanges in custom configurations. Our team assists with special sizes, pressure classes, and facing types, helping customers save time during manufacturing and installation.

Reliable Export & Logistics Support

As a trusted exporter, Siddhgiri Overseas supplies stainless steel flanges to customers across India, UAE, Saudi Arabia, Qatar, Kuwait, Oman, South Africa, and other global markets. Our export-grade packaging and efficient logistics ensure materials reach their destination safely and on schedule.

Dedicated Support for Industrial Buyers

From product selection to final dispatch, our experienced team works closely with EPC contractors, OEMs, procurement managers, and industrial buyers. We provide prompt quotations, technical assistance, and responsive customer service to ensure a smooth purchasing experience.

Competitive Pricing & Flexible Supply

We understand the importance of cost-effective sourcing without compromising on quality. Our pricing is competitive, and we offer flexible payment terms and supply arrangements to meet the budget and scheduling needs of various project types and order quantities.

Request a Quote for Stainless Steel Flanges

Looking for a reliable Stainless Steel Flanges Supplier for your upcoming project? Siddhgiri Overseas supplies a complete range of SS Flanges, including Weld Neck, Slip-On, Blind, Socket Weld, Threaded, Lap Joint, RTJ, Long Weld Neck, and Spectacle Blind Flanges in multiple grades, sizes, pressure classes, and facing types to suit diverse industrial applications.