Inconel 625 tubing is a high-performance nickel-based alloy that is known for its excellent resistance to corrosion, oxidation, and high temperatures. It is used in a wide range of applications across industries, including aerospace, chemical processing, and oil and gas.
Chemical Composition: Inconel 625 tubing is composed of nickel, chromium, molybdenum, and niobium, with small amounts of iron, carbon, and other elements. The chemical composition of Inconel 625 tubing is as follows:
- Nickel: 58.0% min
- Chromium: 20.0-23.0%
- Molybdenum: 8.0-10.0%
- Niobium: 3.15-4.15%
- Iron: 5.0% max
- Carbon: 0.10% max
Applicable Specifications and Standards: Inconel 625 tubing is produced according to a variety of industry specifications and standards, including:
- ASTM B444/B444M – Standard Specification for Nickel-Chromium-Molybdenum-Columbium Alloys (UNS N06625 and UNS N06852) and Nickel-Chromium-Molybdenum-Silicon Alloy (UNS N06219) Pipe and Tube
- ASME SB444 – Specification for Nickel-Chromium-Molybdenum-Columbium Alloys (UNS N06625 and UNS N06852) and Nickel-Chromium-Molybdenum-Silicon Alloy (UNS N06219) Seamless Pipe and Tube
- NACE MR0175 – Petroleum and natural gas industries – Materials for use in H2S-containing environments in oil and gas production
- PED 97/23/EC – Pressure Equipment Directive
- ISO 9001:2015 – Quality management systems
Applications: Inconel 625 tubing is used in a wide range of applications that require high strength, corrosion resistance, and temperature resistance. Some common applications include:
- Aerospace and aircraft components, such as engine exhaust systems and turbine components
- Chemical processing equipment, such as reactor vessels and heat exchangers
- Oil and gas industry equipment, such as downhole tubing and wellhead components
- Marine applications, such as offshore drilling equipment and seawater desalination systems
- Nuclear power generation components, such as steam generator tubing and reactor core components.
Inconel 625 tubing is a high-performance nickel-based alloy that is used in a wide range of applications across industries. Its excellent resistance to corrosion, oxidation, and high temperatures make it an ideal material for harsh environments and critical applications.