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Nickel Alloy Flanges

Stainless Steel Seamless Pipes
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Nickel Alloy Flanges | Inconel, Monel, Hastelloy Flanges Manufacturer in India

STAINLESS INDIA is recognized as a premier manufacturer and exporter of Nickel Alloy Flanges, providing an extensive selection of high-performance flanges made from materials such as Inconel®, Monel®, Hastelloy®, Alloy 20, SMO 254, and Nickel 200/201.

Our flanges are specifically engineered to endure severe corrosion, elevated temperatures, and high pressures, making them suitable for critical industrial applications.
We offer a variety of flanges including weld neck, slip-on, blind, socket weld, threaded, and lap joint types, all adhering to ANSI/ASME B16.5, B16.47, BS 4504, EN 1092-1, DIN, and other international standards. Our flanges are available in pressure classes ranging from 150 to 2500, and we also provide custom sizes and facing types (RF, FF, RTJ).
Our manufacturing process complies with ASTM B564, ASME B16.5, ASME B16.47, DIN, BS, JIS, and EN standards, ensuring 100% testing and export-grade packaging.
All nickel alloy flanges produced by STAINLESS INDIA are crafted under rigorous quality control measures and are accompanied by full EN 10204 3.1 / 3.2 certification, along with options for third-party inspection.

Product Range

Types of Nickel Alloy Flanges We Supply

Standard & Specialized Flanges

Weld Neck (WNRF), Slip-On (SORF), Socket Weld (SWRF), Blind (BLRF), Threaded (THRF), Lap Joint (LJRF), Long Weld Neck (LWN), Spectacle Blind, Orifice, and RTJ Flanges.

Available Pressure Ratings

150#, 300#, 600#, 900#, 1500#, and 2500#.

Face Types

Available in RF (Raised Face), FF (Flat Face), and RTJ (Ring Type Joint).

Technical Data

Grades & Availability

Family Performance & Available Grades
Inconel® Flanges Grades: 600, 601, 625, 718, 800, 825. Features outstanding resistance to heat, oxidation, and corrosion.
Monel® Flanges Grades: 400, K500. Excellent performance in saltwater and marine environments.
Hastelloy® Flanges Grades: C22, C276, B2, B3. Superior resistance to acids, chemicals, and harsh media.
Other Grades Nickel 200/201, Alloy 20, Incoloy 800HT / 825, Alloy 600/625, and Custom Superalloys.

We offer custom CNC-machined flanges and accept drawings for custom machined requirements.

Applications & Industries

Chemical & Petrochemical Processing
Oil & Gas Offshore Rigs
Power Generation (Thermal/Nuclear)
Fertilizer & Acid Manufacturing
Desalination & Marine Equipment
Pulp & Paper Industries
Aerospace & Heat Treatment Furnaces
Heat Exchangers & Boilers

Documentation & Standards

  • EN 10204 3.1 / 3.2 Certificates
  • 100% Radiography, PMI, UT & Hardness Tested
  • ISO 9001:2015 Certified Manufacturing
  • ASME B16.5, B16.47, and MSS-SP-44 Standards
  • BS 4504, EN 1092-1, and DIN 2633/2635 Compliance
Our Advantage

Why Choose STAINLESS INDIA for Flanges?

Precise Tolerances

High Nickel Alloy grades manufactured with precise tolerances and 100% testing.

CNC-Machined Facing

Precision CNC-Machined flanges featuring perfect facing for leak-proof installations.

Worldwide Delivery

Exports to UAE, Saudi Arabia, Europe, Africa, USA, and Asia with fumigated wood packing.

Custom Coatings

Custom sizes, specialized coatings, and marking available upon specific request.

Frequently Asked Questions – Nickel Alloy Flanges

These nickel alloys exhibit exceptional resistance to acids, chlorides, and elevated temperatures, making them suitable for demanding and corrosive industrial settings.

Indeed. We provide seaworthy wooden box packaging, labeling with heat numbers, and comprehensive export documentation, which includes Fumigation, Certificate of Origin, and MTCs.

Certainly. We produce custom flanges according to your specifications or unique dimensional needs, including non-standard pressure ratings.

Type of Nickel Alloy Flanges Available

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hastelloy C276 slip on flange alloy 20 flange stockist threaded nickel alloy flanges
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rf / rtj nickel alloy flanges Inconel flanges Monel flange manufacturer
Hastelloy slip on flanges Nickel alloy flange supplier in India nickel alloy slip-on & weld neck flanges
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Global Export Network

We export to more than 70+ countries:

USA • UK • Germany • Italy • UAE • Saudi Arabia • Qatar • Oman • Kuwait • Singapore • Malaysia • Indonesia • Australia • South Africa • Brazil • Mexico • India

All Shipments Include:
  • Packing List
  • Invoice
  • MTC 3.1 / 3.2
  • Third-Party Inspection (TUV/LR/BV) if required
  • Heat Number Traceability

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Looking for a dependable Nickel Alloy Flanges? We respond within 24 hours.