Top 5 Stainless Steel Flanges Manufacturers in India

Finding reliable stainless steel pipe flange manufacturers in India matters for both domestic and international projects. 

India’s flange market will reach USD 616.4 million, growing at 12.56% annually. This local growth reflects the global trend, with worldwide flange markets hitting USD 10.58 billion by 2031.

Rising investments in oil & gas, chemical, and water treatment sectors are driving demand for quality Indian-made flanges.

Let’s examine India’s top manufacturers who’ve proven themselves in both local and export markets.

Best Stainless Steel Flanges Manufacturer in India: 5 Producers To Consider

Here’s a look at the leading stainless steel flange producers in India

1. M S Flange Manufacturing

M S Flange serves critical industries from oil and gas to pharmaceuticals across India.

This stainless steel flanges manufacturer in Mumbai produces metal pipes, industrial flanges and pipe fittings to exact specifications.

Each product undergoes rigorous testing for durability and corrosion resistance.

The company’s range covers varied sizes and surface finishes for industrial applications.

Its products are commonly used in oil & gas, chemical processing, water treatment, and general industrial piping systems.

Location: Mumbai, India 

Founded: 2012

2. Neelam Forge India

This ISO 9001-2015 certified ss flange manufacturer in India runs a 2,500 sq.ft. production facility.

The company specializes in stainless steel SORF and BLRF flanges with custom sizing options.

They maintain one of India’s largest flange inventories with 10% lower market prices.

As one of the largest stainless steel flanges manufacturers in India, Neelam Forge serves clients across 18 countries from their headquarters.

The company supplies stainless steel, duplex, and super duplex flanges for high-pressure and corrosion-resistant applications.

Location: Mumbai, India 

Founded: 2006

3. Metal Forge India

Metal Forge India manufactures threaded flanges and specialized pipe fittings at their Gujarat facility.

Their products include carbon steel, stainless steel and nickel alloy flanges for high-pressure applications.

The company maintains production units in both Mumbai and Gujarat for faster delivery.

They serve global markets through their Houston office with complete technical support.

Its product range includes threaded, weld neck, slip-on, and forged flanges for industrial pipeline systems.

Location: Mumbai & Gujarat, India 

Founded: 1979

4. KMS Multi Engineers

This ISO 9001:2015 certified stainless steel flange manufacturer produces flanges up to 2000 NB with 150+ technical workers.

Their IBR approved facility specializes in forged flanges and socket weld flanges.

The company offers products from ½” to 80″ sizes across multiple material grades.

They maintain advanced testing facilities for quality verification before shipment.

The company provides standard and custom flange solutions for industrial engineering and infrastructure projects.

Location: Gujarat, India 

Founded: 2020

5. Longan Flange

Logan Flange manufactures stainless steel and ASME-standard flanges for India’s industrial sector.

Our state-of-the-art facility produces weld neck, slip-on and blind flanges for high-pressure applications.

The company manufactures products according to ASME, ANSI, DIN, and JIS standards. Its product range includes weld neck flanges, blind flanges, slip-on flanges, and custom stainless steel flange solutions.

The facility operates 16 machining centers and more than 100 CNC lathes to support standard and custom production requirements. Products are commonly used in oil & gas, petrochemical, and industrial pipeline systems.

Location: Wenzhou, China

Location: Wenzhou, China (Ships Worldwide)

Founded: 2011

Indian vs Chinese Flange Manufacturers: What Buyers Should Know

Indian manufacturers are widely used for domestic infrastructure and regional industrial projects, while Chinese manufacturers often provide larger production capacity and broader customization capability.

When comparing suppliers, buyers usually evaluate:

• Production capability
• Material availability
• Lead time
• Export experience
• Custom machining support
• Certification requirements

For large-volume or custom-engineered projects, many international buyers source from both India and China depending on project specifications.

How to Choose a Reliable Stainless Steel Flange Manufacturer

When selecting a flange supplier for industrial projects, buyers should evaluate several important factors beyond pricing alone.

Material Standards

Reliable manufacturers should provide products manufactured according to international standards such as:

• ASME B16.5
• ANSI
• DIN
• EN1092-1
• JIS

Common materials include stainless steel 304/316, ASTM A105 carbon steel, duplex stainless steel, and alloy steel grades.

Quality Inspection

Industrial flanges should undergo proper testing and inspection procedures, including:

• PMI testing
• Dimensional inspection
• Material verification
• Pressure testing
• Surface inspection

Export Experience

Manufacturers with export experience are generally more familiar with international project requirements, shipping standards, and technical documentation.

Conclusion

Need Stainless Steel Flanges for Industrial Projects?

Longan Flange supplies stainless steel flanges and industrial pipe fittings for oil & gas, petrochemical, water treatment, and industrial piping systems.

We support:

• Custom flange manufacturing
• OEM production
• Technical drawing support
• International standards
• Global shipping

Contact our team for quotations, technical specifications, or project support.

Weld Neck Flanges

We Manufacture Stainless Steel Weld Neck Flange from Size 1/2 to 24 NPS, pressure classes from 150 to 2500. Low MoQ, Direct to Factory Price and available for custom bolt hole, size options.

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FAQ

What are stainless steel flanges used for?

Stainless steel flanges are used to connect pipes, valves, pumps, and other equipment in industrial piping systems. They are widely applied in oil & gas, petrochemical, water treatment, marine, food processing, and power generation industries because of their corrosion resistance and durability.

Which stainless steel grade is commonly used for flanges?

The most commonly used stainless steel grades for industrial flanges are SS304 and SS316.

SS304 offers good corrosion resistance and is suitable for general industrial applications.
SS316 provides better resistance to chemicals and saltwater environments, making it suitable for marine and chemical processing systems.

Duplex and super duplex stainless steel grades are also used for high-pressure and highly corrosive environments.

What flange standards are commonly used in India?

Industrial flange manufacturers in India commonly produce flanges according to ASME B16.5, ANSI, DIN, EN1092-1, JIS, and BS standards.

The required standard depends on project location, pressure rating, and engineering specifications.

What is the difference between forged and cast flanges?

Forged flanges are manufactured through high-pressure forging processes, which improve strength, durability, and pressure resistance. They are widely used in industrial and high-pressure piping systems.

Cast flanges are generally more economical but may have lower mechanical strength compared to forged flanges.

Forged flanges are preferred for oil & gas, petrochemical, and critical industrial applications.

How do I choose a reliable stainless steel flange manufacturer?

When selecting a flange manufacturer, buyers usually evaluate manufacturing capability, material standards, certifications, inspection procedures, export experience, and customization capability.

Reliable suppliers should also provide material traceability and inspection reports for industrial projects.

Which industries use stainless steel flanges?

Stainless steel flanges are widely used in oil & gas, petrochemical plants, LNG facilities, water treatment systems, marine engineering, food processing, pharmaceutical manufacturing, and industrial pipeline systems.

Are Indian stainless steel flanges exported internationally?

Yes. Many Indian flange manufacturers export products to the Middle East, Southeast Asia, Europe, and North America for industrial and infrastructure projects.

Export requirements often include compliance with international standards, inspection documentation, and material certificates.

Can stainless steel flanges be customized?

Yes. Many manufacturers provide custom flange solutions based on drawings, pressure ratings, material grades, surface finish, and project specifications.

Custom stainless steel flanges are commonly used in industrial engineering and pipeline projects.