ASTM B622 is a standard specification that covers seamless nickel and nickel-cobalt alloy pipe and tube. The alloys covered by this specification include UNS N10001, UNS N10276, UNS N10665, UNS N10675, UNS N10629, UNS N08031, UNS N08034, UNS N08036, UNS N08932, UNS N08926, UNS N08354, UNS N08800, UNS N08810, UNS N08811, UNS N08825, UNS N08120, UNS N08904, and UNS N08925.
The ASTM B622 specification defines the requirements for the chemical composition, dimensions, mechanical properties, and other characteristics of seamless nickel and nickel-cobalt alloy pipe and tube. The standard covers both seamless and welded pipes and tubes, with a range of sizes and thicknesses available.
This specification is important for the oil and gas, chemical processing, and petrochemical industries, as well as for other applications that require high-temperature resistance, corrosion resistance, and high-strength materials. The ASTM B622 specification ensures that the pipes and tubes produced from these alloys meet specific requirements and standards for use in these critical applications.
Hastelloy C276 tubing is a high-performance, corrosion-resistant nickel-molybdenum-chromium alloy that is commonly used in a variety of industries and applications, including:
- Chemical Processing Industry: Hastelloy C276 tubing is widely used in the chemical processing industry for applications such as reactor vessels, heat exchangers, and piping systems. Its excellent resistance to corrosion, particularly in acidic environments, make it an ideal material for use in chemical processing applications where corrosive environments are present.
- Oil and Gas Industry: Hastelloy C276 tubing is also commonly used in the oil and gas industry for applications such as tubing hangers, wellhead components, and control lines. Its high resistance to corrosion and ability to withstand harsh and demanding environments make it an ideal material for use in oil and gas applications.
- Power Generation Industry: Hastelloy C276 tubing is used in the power generation industry for applications such as boiler tubes, steam generators, and heat exchangers. Its high strength, excellent resistance to oxidation and corrosion, and ability to withstand high temperatures make it an ideal material for use in high-temperature power generation applications.
- Aerospace Industry: Hastelloy C276 tubing is also used in the aerospace industry for applications such as aircraft exhaust systems, engine components, and heat exchangers. Its high strength-to-weight ratio, excellent fatigue resistance, and high-temperature performance make it an ideal material for use in aircraft and spacecraft applications.
Overall, Hastelloy C276 tubing is a versatile and high-performance material that is used in a wide range of industries and applications where high resistance to corrosion and high temperatures are required.