Ultimate Guide to ASTM B163 UNS N04400 Tube

1. What is ASTM B163 UNS N04400 Tube?

ASTM B163 UNS N04400 Tube is a specification for seamless nickel and nickel alloy condenser and heat-exchanger tubes. It covers tubes made from UNS N04400 (also known as Monel 400), a nickel-copper alloy with excellent corrosion resistance.

2. What are the key features of ASTM B163 UNS N04400 Tube?

- Excellent resistance to corrosion in various environments, including seawater and chemical processing.

- High strength and toughness.

- Good thermal conductivity.

- Suitable for high-temperature applications.

- Easy to fabricate and weld.

3. What are the applications of ASTM B163 UNS N04400 Tube?

ASTM B163 UNS N04400 Tube is commonly used in industries such as chemical processing, marine engineering, oil and gas, and power generation. It is ideal for applications that require resistance to corrosive environments and high temperatures, such as heat exchangers, condensers, and piping systems.

4. How is ASTM B163 UNS N04400 Tube manufactured?

ASTM B163 UNS N04400 Tube is typically produced using seamless cold-drawn or cold-rolled techniques. The material is heated and formed into a hollow tube, which is then cold-worked to achieve the desired dimensions and mechanical properties. The tubes are then annealed to relieve stress and improve workability.

5. What are the chemical composition and mechanical properties of ASTM B163 UNS N04400 Tube?

The chemical composition of ASTM B163 UNS N04400 Tube includes nickel (63% min), copper (28-34%), and small amounts of iron, manganese, carbon, and silicon. The mechanical properties typically include a tensile strength of 70,000 psi (min) and a yield strength of 28,000 psi (min).

6. What are the testing and quality control requirements for ASTM B163 UNS N04400 Tube?

ASTM B163 UNS N04400 Tube must undergo various tests to ensure compliance with the specified requirements, such as hydrostatic testing, non-destructive testing, and dimensional inspections. Quality control measures are also implemented throughout the manufacturing process to maintain the integrity and consistency of the tubes.

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