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Incoloy 825 Threaded Fittings Manufacturers

06/27/2025

Incoloy 825 threaded fittings are corrosion-resistant alloy components designed for use in high-stress and chemically aggressive environments. Manufactured from a nickel-iron-chromium alloy with molybdenum, copper, and titanium, these fittings offer excellent resistance to acid attack, pitting, and chloride-induced corrosion. Threaded fittings are commonly used in low-pressure pipelines, chemical injection systems, offshore platforms, and marine installations. This article introduces the types of Incoloy 825 threaded fittings, key manufacturers, and their certifications.

Incoloy 825 Threaded Fittings Manufacturers

Types of Incoloy 825 Threaded Fittings

Threaded fittings come in various shapes and sizes to support pipe connections, direction changes, and terminations.

Fitting Type Description Thread Standard
Threaded Elbow (45° / 90°) Changes direction of flow NPT / BSPT / BSPP
Threaded Tee Branches flow into two directions NPT / BSP
Threaded Coupling / Half Coupling Connects two male threaded pipes NPT
Threaded Plug / Cap Closes end of threaded pipe NPT / BSP
Threaded Union Allows disconnection of pipelines NPT / BSP

Top Manufacturers of Incoloy 825 Threaded Fittings

These companies specialize in the production of high-quality Incoloy 825 threaded pipe fittings:

Manufacturer Country Capabilities
Ramesh Steel & Alloys India Forged threaded fittings per ASTM B564
Jiangsu Haohua Industry Group China Custom Incoloy 825 NPT/BSP fittings with inspection
NeoNickel UK / EU Precision-machined threaded components
Special Metals Corporation USA Original alloy developer, OEM-grade components
Rajtilak Metal India Wide range of Incoloy threaded and socket weld fittings

Certifications and Quality Standards

Manufacturers follow international testing and inspection protocols to ensure quality and compliance:

Standard / Certificate Purpose
ASTM B564 Standard for forged nickel alloy fittings
ASME B16.11 Forged fittings dimension and tolerance
EN 10204 3.1 / 3.2 Mill Test Certificate with chemical/mechanical data
PMI Test Material composition verification
ISO 9001 Quality Management System Certification

Applications of Incoloy 825 Threaded Fittings

These fittings are used in piping systems where welding is not feasible or allowed due to site or safety conditions:

Industry Application
Chemical Processing Acid lines, corrosive fluid control systems
Oil & Gas Offshore skids, chemical injection lines
Power Generation Steam and condensate lines
Marine Industry Seawater handling systems

FAQs About Incoloy 825 Threaded Fittings Manufacturers

Do manufacturers offer both NPT and BSP thread types?
Yes, most Incoloy 825 fitting manufacturers support both NPT (American) and BSP (British) thread standards upon request.

Can Incoloy 825 fittings be used in high-pressure systems?
Threaded fittings are suitable for low- to medium-pressure applications; for high-pressure use, socket weld or butt weld fittings are preferred.

Are MTC and third-party inspections available?
Reputable manufacturers provide Mill Test Certificates and offer third-party inspections (like SGS or BV) as per customer requirements.

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