Nickel Alloy Fittings Supplier, Stockist and Exporter
Table of Contents
Aurico Alloys LLP supplies nickel alloy fittings from ready stock in Mumbai to customers across India and in more than 40 export markets. Fittings carry the same corrosion duty as the pipe they join but see higher stress concentration at every change of direction, so grade traceability and wall thickness at the extrados matter more here than anywhere else in a piping system.
Nickel Alloy covers nickel-base alloys combining high-temperature strength with resistance to oxidising and reducing media. Fittings are supplied with heat-number traceability and can be bevelled, tacked or pre-fabricated into spools on request.
Sizes and Specifications
| Size range | Butt-weld fittings 1/2" to 48" NB in Sch 5S to Sch XXS; forged socket-weld and threaded fittings 1/8" to 4" NB in 3000#, 6000# and 9000# classes. |
|---|---|
| Types and finishes | Elbows (45° and 90°, long and short radius), tees (equal and reducing), reducers (concentric and eccentric), caps, stub ends, couplings, unions, plugs and bushings. |
| Specifications | ASME B16.9 and B16.28 for butt-weld, ASME B16.11 for forged fittings, with material to ASTM B366 / A815 / B363 as applicable. |
| Certification | EN 10204 3.1 mill test certificate; 3.2 and third-party inspection on request |
| Origin | Indian and imported mills, fully traceable by heat number |
Specifications by Grade – Fittings
A specification is written for a product form. The standards below are the ones that cover fittings; the plate, bar and tube specifications for these grades are different documents and are listed on their own pages.
| Grade | UNS | Fittings specification |
|---|---|---|
| Nickel 200 | N02200 | ASTM B366 |
| Nickel 201 | N02201 | ASTM B366 |
| Monel 400 | N04400 | ASTM B366 |
| Inconel 600 | N06600 | ASTM B366 |
| Inconel 625 | N06625 | ASTM B366 |
| Incoloy 825 | N08825 | ASTM B366 |
| Hastelloy C-276 | N10276 | ASTM B366 |
Grades and International Equivalents
| Grade | UNS | Werkstoff (W.Nr.) |
|---|---|---|
| Nickel 200 / 201 | N02200 / N02201 | 2.4066 / 2.4068 |
| Monel 400 | N04400 | 2.4360 |
| Inconel 600 | N06600 | 2.4816 |
| Inconel 625 | N06625 | 2.4856 |
| Incoloy 800H / 800HT | N08810 / N08811 | 1.4958 / 1.4959 |
| Incoloy 825 | N08825 | 2.4858 |
Chemical Composition
Compositions span commercially pure nickel (99.0% Ni min in Nickel 200) through Ni-Cu (Monel 400: 63% Ni, 31% Cu), Ni-Cr-Fe (Inconel 600: 72% Ni, 15.5% Cr) and Ni-Cr-Mo-Nb (Inconel 625: 58% Ni, 21.5% Cr, 9% Mo, 3.6% Nb) systems.
Mechanical and Physical Properties
Tensile strength runs from roughly 380 MPa for annealed Nickel 200 to 830 MPa and above for Inconel 625, with service temperatures reaching 1000°C in the solid-solution-strengthened grades.
Industry Applications
How fittings is used
Fittings are factory-made wrought components to ASTM B366, dimensioned to ASME B16.9 for butt-weld and ASME B16.11 for socket-weld. They are the 45, 90 and 180 degree elbows, tees, reducers, caps and lap-joint stub ends that change direction, branch or change bore in a process line, and they are specified to match the pipe they join in both alloy and schedule so the weld and the corrosion behaviour stay continuous.
| Industry | Typical use |
|---|---|
| Chemical processing | Reactor internals, heat exchangers and transfer piping handling acids, chlorides and caustics. |
| Oil and gas | Downhole tubing, wellhead components and sour-service equipment meeting NACE MR0175. |
| Power generation | Superheater and reheater elements, boiler tubing and flue-gas desulphurisation systems. |
| Aerospace | Engine casings, exhaust systems and airframe fasteners. |
| Marine | Seawater piping, condenser tubing and offshore platform hardware. |
Testing and Certification
Every consignment ships with an EN 10204 3.1 mill test certificate stating heat number, chemical analysis and mechanical properties. Depending on grade and specification we can supply positive material identification (PMI), ultrasonic and dye-penetrant testing, intergranular corrosion testing to ASTM A262 or G28, hydrostatic testing, and third-party inspection release notes from Lloyd's Register, Bureau Veritas, SGS or TUV.
Aurico Alloys LLP operates an ISO 9001:2015 quality management system. Material for sour service can be supplied certified to NACE MR0175 / ISO 15156 where the grade permits.
Frequently Asked Questions
Request a Quotation
Send your grade, size, quantity and specification and we will respond with price and lead time, usually the same working day. Call +91 7977 88 6611 or email info@auricoalloys.com.