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Hastelloy C276 tube is a top-quality alloy primarily composed of nickel. It exhibits exceptional performance in various applications. Notably, its remarkable resistance to corrosion caused by aggressive substances such as acids and chlorides sets it apart. The robust resistance to pitting and crevice corrosion makes Hastelloy C276 tube highly sought-after for heat exchangers that come into contact with corrosive fluids. Moreover, this UNS N10276 tube proves to be an excellent choice for handling chemicals and acidic solutions.
Hastelloy C276 tube standard:
- The ASTM B622 standard, titled "Standard Specification for Seamless Nickel and Nickel-Cobalt Alloy Pipe and Tube," outlines the requirements for seamless pipes and tubes made from nickel and nickel-cobalt alloys. This specification ensures that these pipes and tubes meet certain quality and performance standards.
Seamless pipes and tubes made from nickel and nickel-cobalt alloys are essential in various industries due to their high strength, corrosion resistance, and excellent heat resistance properties. They are commonly used in applications involving extreme temperatures and aggressive environments.
The ASTM B622 standard covers various aspects of the manufacturing process, including the chemical composition, mechanical properties, and dimensional requirements of these pipes and tubes. It also provides guidelines for the heat treatment, testing, and marking of the products.
Manufacturers and suppliers in the industry follow the ASTM B622 standard to ensure the reliability and consistency of their products. Compliance with this specification guarantees that the pipes and tubes are manufactured using high-quality materials and meet the necessary performance criteria.
In summary, the ASTM B622 standard is vital in ensuring the production of seamless pipes and tubes made from nickel and nickel-cobalt alloys that meet industry requirements. Its guidelines cover various aspects, including chemical composition, mechanical properties, and dimensional requirements, ultimately guaranteeing the performance and integrity of these products.
- The standard specification ASTM B474 pertains to electric fusion welded nickel and nickel alloy pipe. This guideline outlines the requirements for the manufacturing process and quality control of such pipes. By adhering to this specification, manufacturers can ensure the reliability and performance of the finished product. The use of electric fusion welding techniques ensures strong and durable joins in the pipe. This standard provides a valuable reference for both producers and users of nickel and nickel alloy pipes, helping to maintain consistency and high-quality standards in the industry.
- Suppliers looking to purchase Hastelloy C276 Tubing can easily obtain a quote from HT PIPE. We strongly encourage you to contact us for highly competitive pricing and excellent customer service. Our team is devoted to meeting your needs and providing top-quality products.

Hastelloy C276 Tube Chemical Composition
| Hastelloy C276 | Ni | C | Mo | Mn | Si | Fe | P | S | Co | Cr |
| Balance | 0.010 max | 15.00 – 17.00 | 1.00 max | 0.08 max | 4.00 – 7.00 | 0.04 max | 0.03 max | 2.5 max | 14.50 – 16.50 |
Hastelloy C276 Tube Mechanical Properties
The remarkable mechanical properties of alloy C276 tube, such as its exceptional strength and ductility, significantly contribute to its numerous advantages.
- The tensile strength of this material is approximately 750 MPa, which is equivalent to about 108,000 psi.
- The yield strength of this material is approximately 350 MPa, which is equivalent to around 50,000 psi. This measurement represents the amount of stress that the material can withstand before it begins to deform permanently. Therefore, it is a crucial factor to consider when designing and selecting materials for structural applications that demand high strength and durability. By knowing the yield strength, engineers can predict how much load a component can withstand without failure and ensure the safety and reliability of the final product.
- Elongation (Elongation): about 50%.
- Hastelloy C276 displays a hardness of approximately 200 HB (Brinell hardness) when measured at room temperature.
When considering applications that require weight reduction, the use of thinner wall sections becomes highly advantageous. In this regard, Hastelloy C276 tubes prove to be a desirable option due to their ability to meet this requirement. Additionally, these tubes offer easy fabrication and welding processes, further enhancing their appeal across various industries such as chemical processing, aerospace, and marine engineering.
ASTM B622 UNS N10276 Tube High-Temperature Resistance
C276 steel tube is also used in high-temperature applications such as chemical reactors and heat exchangers. Hastelloy C276 can be used at temperatures up to 927 degrees Celsius (1700 degrees Fahrenheit) for extended periods of time. In case of brief exposure, Hastelloy 2.4819 is also able to withstand higher temperatures. In general, it can withstand high temperatures of about 1093 degrees Celsius (about 2000 degrees Fahrenheit).
Hastelloy Alloy C276 Tube Customization Requirements
Hastelloy C276 tubes are available in a variety of sizes to suit different applications and requirements. The exact tube size you choose depends on the intended application, pressure, temperature conditions, and flow requirements. Alloy C276 tubes can be customized and fabricated to meet specific project needs. Manufacturers and suppliers of Hastelloy C276 Pipe are available in a variety of sizes and configurations, including seamless and welded.
Hastelloy C276 Tube Sizes
| Types of Hastelloy C276 Tube | Out diameter (OD) | Wall thickness | Length |
| NB Sizes | 1/8” ~ 8” | SCH 5 / SCH 10 / SCH 40 / SCH 80 / SCH 160 | Upto 6 M |
| Hastelloy C276 Seamless Tube | 5.0mm ~ 203.2mm | As per requirement | Upto 6 M |
| Hastelloy C276 Welded Tube | 5.0mm ~ 1219.2mm | 1.0 ~ 15.0 mm | Upto 6 M |
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