The demand for high-performance alloys like Inconel 625 and Inconel 825 has surged in industries that require excellent resistance to heat, corrosion, and pressure—such as oil & gas, chemical processing, and marine engineering. These pipe fittings play a crucial role in connecting and managing high-temperature and corrosive fluid systems. With India emerging as a global manufacturing hub for nickel-based alloys, finding the right supplier is essential for ensuring quality, reliability, and compliance.

In this blog, we’ll take a closer look at the top suppliers of Inconel 625/825 pipe fittings in India, with a spotlight on Arham Alloys, a trusted name in the industry. We will also introduce special grades like 253MA and HK40, known for their specific applications and superior performance.

Why Inconel 625 and Inconel 825 Pipe Fittings?

Before we dive into the supplier list, here’s why Inconel 625 and Inconel 825 are highly sought-after:

Inconel 625:

• Composition

  : Nickel-Chromium-Molybdenum alloy

   

• Features:
  • Excellent fatigue and thermal-fatigue strength
  • Exceptional resistance to oxidation and scaling
  • High strength and toughness across wide temperature ranges
  • Ideal for marine, chemical processing, aerospace, and nuclear applications

Inconel 825:

• Composition: Nickel-Iron-Chromium alloy with molybdenum, copper, and titanium
• Features:
  • High resistance to sulfuric and phosphoric acids
  • Excellent stress corrosion cracking resistance
  • Widely used in pollution control, pickling operations, and oil & gas recovery

Top Suppliers of Inconel 625/825 Pipe Fittings in India

1. Arham Alloys – Trusted Excellence in High-Performance Alloys

Arham Alloys has established itself as a leading manufacturer and exporter of Inconel pipe fittings, flanges, and tubes, including Inconel 625 and Inconel 825 grades. Known for its uncompromised quality, prompt delivery, and wide product range, Arham Alloys serves clients across industries such as petrochemicals, pharmaceuticals, defense, and offshore exploration.

Why Choose Arham Alloys:

• Extensive inventory of Inconel 625/825 pipe fittings, elbows, tees, reducers, and flanges
• Custom fabrication and precision machining capabilities
• Export-ready packaging and compliance with ASTM, ASME, and DIN standards
• Responsive customer support and project-based solutions
• Also stocks and supplies special grades like 253MA and HK40

Special Offerings:

• 253MA Pipe Fittings and Flanges: Perfect for high-temperature structural components
• HK40 Pipes: Suitable for carburizing and oxidizing environments in heat treatment furnaces

Visit Arham Alloys to explore their complete product portfolio.

2. Rajendra Industrial Corporation

A prominent supplier in Mumbai, Rajendra Industrial Corporation specializes in a broad range of nickel alloys and stainless steels. Their Inconel 625/825 range is known for dimensional accuracy and corrosion resistance, used extensively in refineries and desalination plants.

3. Mumbadevi Steel India (MSI)

MSI is known for supplying quality-assured pipe fittings in Inconel, Monel, and Hastelloy. Their stringent quality checks and material traceability systems make them a reliable source for critical projects.

4. Metalfed Engineering India Pvt. Ltd.

Metalfed is one of the fast-growing suppliers with a global clientele. They offer a wide selection of Inconel 625/825 pipe fittings, including seamless and welded variants. They also support custom orders with short lead times.

5. Neo Impex Stainless Pvt. Ltd.

With over 30 years of experience, Neo Impex offers precision-made Inconel pipe fittings and flanges. They cater to international projects and are ISO and PED certified, ensuring quality assurance.

Special Grades to Watch: 253MA and HK40

253MA (UNS S30815) – For Pipes, Fittings, and Flanges

• High-temperature oxidation resistance
• Excellent strength at elevated temperatures (up to 1150°C)
• Ideal for heat exchangers, kiln components, and petrochemical reformers

HK40 – For Pipes Only

• A heat-resistant cast alloy with excellent carburization resistance
• Used in furnace components and reformer tubes
• Performs well in cyclic thermal conditions

Arham Alloys offers both these special grades, making them a one-stop solution for high-performance alloys.

Final Thoughts

Choosing the right supplier for Inconel 625 and 825 pipe fittings is critical for industries where failure is not an option. Arham Alloys stands out not only for its comprehensive product line and high-grade materials but also for offering advanced grades like 253MA and HK40, which very few suppliers provide under one roof.

Whether you’re sourcing for a refinery upgrade or a high-temperature furnace, partnering with trusted names like Arham Alloys ensures you get products that meet the highest international standards.

FAQs

Q1: What are the typical applications of Inconel 625 pipe fittings?
A: Inconel 625 is used in aerospace, offshore oil rigs, and marine exhaust systems due to its corrosion and fatigue resistance.

Q2: Can I get custom Inconel 825 fittings from Arham Alloys?
A: Yes, Arham Alloys offers customized fittings and flanges as per client specifications and international standards.

Q3: What’s special about 253MA compared to standard stainless steels?
A: 253MA offers superior high-temperature strength and oxidation resistance, especially in oxidizing and nitrogen-rich environments.

Q4: Is HK40 available in fittings or just pipes?
A: HK40 is primarily available in pipe form and is used in applications requiring resistance to carburizing and oxidizing conditions.