Hastelloy C-276 Pipe Spool (UNS N10276 / W.Nr. 2.4819)
High-strength corrosion-resistant alloy Pipe Spool for Chemical processing and Pollution control
As a leading supplier of nickel-based superalloy custom pipe spools, SEATHER TECHNOLOGY specializes in the production of premium Hastelloy C-276 (UNS N10276) pipe spools engineered for exceptional corrosion resistance, high strength, and long-term reliability.
Hastelloy C-276 is one of the most versatile corrosion-resistant alloys in the nickel-molybdenum-chromium family. It offers outstanding resistance to localized corrosion, stress corrosion cracking, pitting and crevice corrosion, making it suitable for the most demanding chemical processing environments. Its high nickel content provides excellent resistance to chloride-induced corrosion, while molybdenum and chromium enhance performance in both oxidizing and reducing media. The presence of tungsten further boosts the alloy’s mechanical strength and stability at elevated temperatures.
Custom pipe spool fabrication is one of SEATHER’s core manufacturing capabilities. We fabricate complete stainless steel and nickel alloy piping systems—ranging from large industrial projects consisting of thousands of spools to routine maintenance jobs and single-spool orders.
Our production facilities are staffed with highly skilled craftsmen, pipe fitters, welders, and fabricators. Backed by strict quality control, advanced welding processes, and a proven record of safety and precision, we ensure every Hastelloy C-276 pipe spool meets international standards and project-specific requirements. SEATHER is committed to exceeding customer expectations in design accuracy, fabrication quality, delivery schedule, logistics, and cost efficiency.
Hastelloy C-276 Pipe Spool (UNS N10276) Specifications
| Product Name | Hastelloy Alloy C-276 Pipe Spools |
| Raw Materials | Alloy C-276, ASTM B574 UNS N10276, Nickel Alloy C-276 |
| Size | 114mm to 2500mm Diameter (Seamless & Welded, Fabricated), Wall Thickness: 10s/3 mm to XXS/70 mm; Customized or according to your drawing |
| Samples | Sample available |
| Tolerance | +/-5mm to +/-0.005mm |
| Testing Equipment | CMM; Tool microscope; multi-joint arm; Automatic height gauge; Manual height gauge; Dial gauge; Marble platform; Roughness measurement |
| Logo | Custom logo available |
| Surface Treatment | Anodizing, Passivation, Polishing, Plating, Painting, Black Oxide, Powder Coating, Brushing, Heat Treatment, Surface Phosphating, Hot Dip Galvanizing, More Surface Treatment, etc. |
| Color | Silver, black, gold, red, green, blue, purple, etc |
| File Formats | UG, SolidWorks, Pro/E, AutoCAD (DXF, DWG), PDF, TIF, JPG, etc |
| Services | OEM/ODM, Engineering&Design Consulting, Assembly, Finishing, Materials Sourcing, Custom Packaging Services, etc |
| Quality System | ISO9001, SGS, TUV |
Hastelloy C-276 Pipe Spool (UNS N10276) Applications & Usages
Hastelloy alloy C-276 is commonly used for the following applications:
- Chemical process industry
- Flue gas desulfurization units
- Pickling equipment in the steel industry
- Waste incineration plants
- Seawater desalination plants
- Flue gas scrubbing facilities
- Pharmaceuticals
- Heat exchangers
What is Hastelloy C-276 (UNS N10276)
Alloy C-276 also referred to as the UNS N10276/W.Nr. 2.4819 alloy.
It is a very commonly used nickel-chromium-molybdenum alloy.
Among superalloys, it is known for its high molybdenum content.
Alloy C-276 exhibits excellent corrosion resistance in a wide range of severe environments.
Alloy C-276 is widely used in chemical processing, pollution control, pulp and paper production, industrial and municipal waste treatment.
Hastelloy C-276 Pipe Spool (UNS N10276) Chemical Composition
| % | Ni | Cr | Mo | W | Co | C | Mn | Si | P | S | Fe | V |
| Min | Balance | 14.5 | 15 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 |
| Max | Balance | 16.5 | 17 | 4.5 | 2.5 | 0.01 | 1 | 0.08 | 0.04 | 0.03 | 7 | 0.35 |
Hastelloy C-276 Pipe Spool (UNS N10276) Mechanical Properties
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.89 g/cm3 | 1371 °C (2500 °F) | 650-950Mpa | 210-350Mpa | 65% – 55% |
Hastelloy C-276 Pipe Spool (UNS N10276) Physical Properties
| Melting Range | Specific Heat, 20°C (J/(g.K)) | Magnetic Permeability (20°C) | Thermal Conductivity, 20°C (W/(m.K)) | Curie Temperature (°C) |
| 1371 °C (2500 °F) | 440 | <1.0002 | 9.8 | -125 |

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More Information About Hastelloy C-276 Pipe Spool (UNS N10276)
When you choose to buy Hastelloy C-276 Pipe Spool (UNS N10276), there have some important points we need to know before we get started.
Pitting resistance equivalency numbers (PREN) for Hastelloy C-276
Hastelloy C-276 PREN: 68.3
The pitting resistance equivalency number uses the alloy’s chemical makeup to guess its power against pitting corrosion. You check how much chromium, molybdenum, tungsten, and nitrogen are in the alloy. These elements help keep the steel safe. The most used formula is:
PREN = CR% + 3.3 x (MO% + 0.5 x W%) + 16 x N% Features of custom alloy C276 pipe spools
The main features include the following:
High corrosion resistance in a wide range of media.
Excellent resistance in oxidising aqueous media.
High resistance to intergranular corrosion.
Good weldability compared to other alloys in the same family.
How to Purchase Hastelloy C-276 Pipe Spool (UNS N10276)
When purchasing alloy pipe spools, it’s essential to have the right materials and information to ensure a smooth procurement process and to get the products that meet your needs.
Here’s what you need to provide:
1. Material: Specify the grade material, Alloy C-276 (UNS N10276)
2. Size: Specify the pipe’s Outer Diameter, Inner Diameter, Wall thickness, Length, Delivery State, finish, flanges types, etc.
3. Quantity: Provide the exact number of products required for an accurate quotation.
4. Technical specifications: Include technical specifications and drawings. If there are unique design requirements, detailed drawings can be attached.
5. Quality standards: Specify quality standards and inspection requirements, such as the need for third-party inspection, material certification, and inspection reports.
6. Special requirements: Specify any special surface treatment, polishing, corrosion resistance requirements, etc.
7. Packaging requirements: If there are specific packaging needs, such as protective or anti-corrosion packaging, please specify.
8. Delivery time: Specify the expected delivery time and location.
By preparing the above information, you can streamline the process of purchasing strips coils and ensure that you receive high-quality products that meet your requirements.
Conclusion
We have introduced our products briefly. If you want to know more about it, you can check the article here Hastelloy Alloy C-276: Composition, Properties and Applications.
If you need to purchase alloy pipe spool, please get in touch with us immediately.
Trademark Notices:
Inconel®, Incoloy®, and Monel® are registered trademarks of Special Metals Corporation.
Hastelloy® is a registered trademark name of Haynes International, Inc.
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