Alloy B2 Tube

B2 Tube, also known as Alloy B2 or Hastelloy B2, is a high-performance alloy commonly used in various industries. With a material number of 2.4617 and UNS N10665 designation, it offers excellent resistance to corrosion, especially in reducing environments. This makes it a popular choice for applications requiring resistance to chemicals such as hydrochloric acid, sulfuric acid, acetic acid, and phosphoric acid.
As a reliable supplier, we offer a wide range of Hastelloy Alloy B2 UNS N10665 tubes, including seamless and welded options. Our tubes are manufactured to meet international standards, ensuring exceptional quality and durability. Whether you require Hastelloy B2 tubes for heat exchangers, reactors, or other critical applications, we can provide the right solution for your needs.
With the versatility of B2 tubes, they find applications in various industries such as chemical processing, petrochemicals, pharmaceuticals, pulp and paper, and waste treatment. The seamless B2 tubes, in particular, exhibit superior strength and resistance to cracking, making them ideal for high-pressure and high-temperature environments.
When it comes to the price of Alloy B2 tubes, it can vary depending on factors such as size, quantity, and specifications. We strive to offer competitive prices without compromising on quality, ensuring that our customers get the best value for their investment.
For seamless Alloy B2 tubes, we provide ASTM B622 UNS N10665 compliant options that guarantee excellent performance and reliability. These tubes undergo rigorous testing and inspection processes to ensure that they meet the highest quality standards.
Whether you require Alloy B2 tubes for their exceptional corrosion resistance or their ability to withstand harsh environments, we can cater to your specific requirements. Contact us today to discuss your needs and benefit from our extensive range of high-quality Hastelloy B2 tubes.

Hastelloy, specifically Alloy B2, is a grade of nickel-molybdenum alloy that is engineered to excel in particular applications. This specialized alloy showcases exceptional resistance to hydrogen chloride gas and reducing environments like sulfuric acid, acetic acid, and phosphoric acid. Its composition incorporating molybdenum not only enhances the tube's hardness and strength at high temperatures but also provides commendable protection against stress corrosion cracking and pitting corrosion. However, it is imperative to note that the cost of Alloy B2 tubes is higher than that of stainless steel due to the elevated molybdenum content.

Hastelloy alloy B2 UNS N10665 standard: 

 

• This specification, ASTM B622, pertains to seamless pipe and tube made of nickel and nickel-cobalt alloys. The content should be rearranged to produce a highly similar output based on the original information.

 

• The Electric Fusion Welded Nickel and Nickel Alloy Pipe is outlined in the ASTM B474 Standard Specification. This specification describes the requirements and guidelines for the manufacturing and testing of electric fusion welded pipes made from nickel and nickel alloys. By rearranging the information from the original text, I have generated the content in a highly similar manner.

 

• The ASTM B619 Standard Specification outlines the requirements for welded pipes made from nickel and nickel-cobalt alloys. This standard sets forth requirements for the general product dimensions, manufacturing processes, material specifications, and testing procedures. The pipe must be manufactured in accordance with the prescribed dimensions and tolerances, and the welding process must be performed using approved methods. The material used must adhere to specific chemical composition parameters and be free from any defects that could affect the performance of the assembly. Testing procedures, including hydrostatic testing, are also outlined in this standard to ensure that the final product meets all specified requirements. Overall, the ASTM B619 standard helps ensure the quality, reliability, and safety of welded nickel and nickel-cobalt alloy pipes.

Hastelloy alloy B2 Chemical Composition

The mechanical properties of Hastelloy Alloy B2 UNS N10665 are as follows:

Material Number 2.4617 Physical Properties

Hastelloy Alloy B2 Features
Hastelloy alloy B2 UNS N10665 has excellent mechanical properties. Including excellent tensile strength, yield strength, elongation, hardness, creep resistance, fatigue strength, impact strength, wear resistance, abrasion resistance, and corrosion resistance in various organic acids and sulfuric acid solutions. Werkstoff 2.4617 also has good oxidation resistance up to 1800°F and good formability at temperatures up to 1400°F – 1900°F.

Alloy B2 Tube Forging
Hastelloy B-2 UNS N10665 is a wrought nickel-molybdenum alloy, HASTELLOY B-2 can be easily forged in the temperature range of 1232-982°C (2250-1800°F). The alloy B2 has excellent resistance to all temperatures and concentrations of hydrochloric acid and is also resistant to hydrogen chloride gas as well as acetic, sulfuric, and phosphoric acids. The low carbon makes ASTM B622 UNS N10665 seamless tube ideal for welding applications and can be used in the "welded" condition.

Uses of Hastelloy Alloy B2
Nickel alloy b2 tube is widely used in chemical processing applications such as pumps, valves, heat exchangers, or storage tanks due to its excellent corrosion resistance to many organic acids as well as sulfuric acid solutions. These nickel alloy tubes are easy to fabricate and form. They also exhibit good ductility and are capable of cold working. Due to its excellent tensile strength or creep resistance, it is also used in the production of pipe fittings including flanges, elbows, tees, reducers, bolt or nut fasteners, etc.

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