Hastelloy C-276 Capillary Tube (UNS N10276 / W.Nr. 2.4819)
High-strength corrosion-resistant alloy Capillary Tube for Chemical processing and Pollution control
As a leading Chinese supplier of high-performance nickel alloys, SEATHER TECHNOLOGY manufactures precision-engineered Hastelloy C-276 (UNS N10276) capillary tubes designed for demanding applications requiring exceptional corrosion resistance and tight dimensional control.
Hastelloy C-276 is a nickel-chromium-molybdenum alloy developed with extremely low carbon and silicon content, effectively minimizing welding-related issues. With more than 50 years of proven performance in harsh chemical environments, C-276 remains one of the most reliable materials for resisting a broad spectrum of corrosive media, including strong acids, chlorides, and oxidizing or reducing agents.
Hastelloy C-276 capillary tubes are specialized alloy tubes featuring small diameters, thin walls, and higher processing difficulty. They are manufactured from precision-drawn C-276 coil tubing, then straightened and polished to achieve superior dimensional accuracy and a clean internal surface. These tubes are ideal for applications requiring both high corrosion resistance and strict control of internal geometry.
We offer both seamless and welded Hastelloy C-276 capillary tubes to suit different application needs. During the polishing process, surface finishes such as MP (Mechanical Polish), EP (Electropolish), BA (Bright Annealed), AP (Acid Pickled) and more can be customized upon request.
The capillary tubes we produce feature a refined surface appearance, tight dimensional tolerances, and stable mechanical properties, ensuring reliable performance in critical systems such as instrumentation, chemical sampling, precision flow control, and miniaturized components.
For high-quality Hastelloy C-276 capillary tubes with full customization options, SEATHER TECHNOLOGY is your trusted manufacturing partner.
Hastelloy C-276 Capillary Tube (UNS N10276) Specifications & Srtandard
- OD Range: Φ0.1 – Φ6mm
- Wall Thickness: Φ0.01 – Φ2mm
- Length: 50mm – 30000mm
- Customized size needs to be confirmed with our team
- Grades: C-276 / UNS N10276 / W.Nr. 2.4819
- Standards: ASTM B622
ASTM B626
ASME SB 622
ASME SB 626 - Finish: MP / EP / BA / AP Surface
- Brand: SEATHER TECHNOLOGY, Special Metals(SMC), HAYNES International, VDM Metals, ATI, etc.
Hastelloy C-276 Capillary Tube (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
Hastelloy C-276 Capillary Tube (UNS N10276) Drawing & Formula
Formula: m = (OD – THK) × THK (mm) × L (m) × ρ (g/cm³) × π ÷ 1000
OD = Outside Diameter, THK = Wall Thickness, L = Length
ρ = Density, π = 3.1415926…
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 Capillary Tube (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 Capillary Tube (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 Capillary Tube (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 |
Metal Cutting Service
Custom Metal Cutting Services For Diverse Industries
CNC Machining Services
Custom CNC machining parts in nickel alloy and stainless steel delivery in as fast as 3 days
Sheet Metal Fabrication
SEATHER’s custom sheet metal fabrication services offer a fast and cost-effective solution for your projects.
Metal Welding Service
Seather provides some of the best solutions ranging from custom metal welding and related services.
More Information About Hastelloy C-276 Capillary Tube (UNS N10276)
When you choose to buy Hastelloy C-276 Capillary Tube (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%How to Purchase Hastelloy C-276 Capillary Tube (UNS N10276)
When purchasing alloy capillary tube, 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 bar’s Outer Diameter, Inner Diameter, Wall thickness, Length, Delivery State, finish, 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 round capillary, 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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