GB/T6479 Q345D, Q345E Low-Temperature Seamless Steel Pipes

1. Product Description: GB/T6479 Q345D and Q345E Low-Temperature Seamless Steel Pipes are high-quality steel pipes designed for applications requiring performance in low-temperature environments. These pipes are manufactured from carbon and low-alloy steel and are seamless, ensuring uniform wall thickness and excellent mechanical properties. They are specifically engineered to maintain their structural integrity and performance at temperatures as low as -40°C (-40°F).

2. Product Parameters:

3. Mechanical Properties:

4. Chemical Composition:

5. Product Uses:

• Cryogenic Piping: Used for transporting liquefied gases and other substances in cryogenic storage and transportation systems.
• Refrigeration Systems: Ideal for low-temperature refrigeration and freezing systems in industrial and commercial applications.
• Chemical Processing: Suitable for handling chemicals that require low-temperature processing or storage.
• Construction: Utilized in structural applications that demand high strength at low temperatures, such as in cold regions.
• Power and Energy: Employed in power plants and energy sectors for pipelines and equipment operating in cold conditions.

6. Product Grade Standards:

• GB/T6479: The pipes are manufactured in compliance with the GB/T6479 standard, which specifies the technical requirements for seamless steel pipes for low-temperature service.

Conclusion: GB/T6479 Q345D and Q345E Low-Temperature Seamless Steel Pipes offer a combination of high strength, ductility, and corrosion resistance that make them suitable for a range of cold weather applications. Their seamless construction and adherence to GB/T6479 ensure that these pipes provide a reliable and durable solution for various industries operating in low-temperature environments.

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