Tube Monel 400, also known as UNS N04400 or Nickel Copper Alloy 400, is widely used in various industries. With its exceptional corrosion resistance and excellent mechanical properties, it is highly sought after. The ASTM B165 UNS N04400 Tube is a reliable and durable option for applications that require resistance to acidic and alkaline environments.
Manufactured by Monel UNS N04400 Tube, this alloy, with a chemical composition of 2.4360 Monel 400, offers outstanding resistance to reducing conditions. Monel Alloy 400 is known for its resistance to seawater, brine, and various chemicals, making it suitable for marine and chemical processing applications.
When considering Monel 400 Price, it is essential to note its long-term cost-effectiveness. Its corrosion resistance reduces the need for frequent replacements and repairs, making it a cost-effective choice. The availability of reliable Nickel Alloy 400 suppliers ensures that quality tube products are easily accessible.
Monel 400 Seamless Tube offers seamless performance and is often preferred for critical applications, ensuring leak-free operations and efficient fluid transportation. Special Metals, renowned for their expertise in specialty alloys, provide exceptional quality Monel 400 tube products that meet industry standards and specifications.
In conclusion, Monel 400 Tube is a highly reliable and corrosion-resistant material that finds extensive usage in various industries. Its unique properties and availability from reputable suppliers make it a preferred choice for critical applications.
Nickel-copper alloy 400, also referred to as Monel 400 tube or UNS N04400, is an outstanding solution in heavy-duty applications due to its exceptional corrosion resistance and superior performance. Composed of 65-70% nickel, 20-29% copper, and trace amounts of silicon, iron, and manganese, this alloy shows extreme resistance to harsh environments such as marine settings, where it is frequently exposed to saltwater and other corrosive elements. The ASTM B165 UNS N04400 tube is also known for its impressive resistance to both acidic and alkaline media, making it a popular choice in the chemical processing industry. This tubing's exceptional properties make it a valuable material for use in diverse applications.
- ASTM B165 is a standard specification that outlines the requirements for seamless pipes and tubes made from nickel-copper alloy, specifically UNS N04400. This alloy is known for its excellent corrosion resistance properties and high strength.
The purpose of ASTM B165 is to ensure the quality and reliability of nickel-copper alloy seamless pipes and tubes used in various industries such as chemical processing, marine applications, and oil refineries. This standard provides guidelines for the manufacturing process, as well as the dimensions, mechanical properties, and testing requirements.
Nickel-copper alloy UNS N04400, also known as Monel 400, is a solid solution alloy that offers outstanding resistance to corrosion in various environments, including seawater and acidic conditions. It exhibits excellent mechanical properties at both subzero and elevated temperatures. This alloy can be easily fabricated and welded, making it suitable for a wide range of applications.
The seamless pipes and tubes specified in ASTM B165 are produced using a seamless method, ensuring uniformity in wall thickness and excellent surface finish. These pipes and tubes are commonly used in heat exchangers, condensers, and other high-temperature and high-pressure applications.
ASTM B165 covers various aspects of these seamless pipes and tubes, including dimensions, tolerances, chemical composition, mechanical properties, heat treatment, and marking. It also provides guidelines for nondestructive testing, such as hydrostatic or pneumatic testing, to ensure the integrity of the products.
Overall, ASTM B165 ensures that nickel-copper alloy seamless pipes and tubes meet the necessary requirements for their intended applications, providing reliable and durable solutions in industries where corrosion resistance and strength are essential.
- The ASTM B163 is a standard specification that pertains to seamless nickel and nickel alloy tubes used in condensers and heat-exchangers. This specification outlines the requirements for the manufacturing of such tubes to ensure their quality and compatibility with these applications. By following the guidelines set forth in ASTM B163, manufacturers can produce tubes that meet the necessary standards for efficient and effective heat transfer processes. It serves as a reliable reference for the industry, enabling the production of reliable and durable condenser and heat-exchanger tubes.
- ASTM B725 is the industry-standard specification that addresses the requirements for welded nickel and nickel copper alloy pipes. This standard outlines the necessary guidelines and specifications for the manufacturing and quality control of these pipes in various industries.
The purpose of ASTM B725 is to ensure that the welded pipes made from nickel and nickel copper alloys meet the necessary criteria for structural integrity and performance. These pipes are commonly used in applications where corrosion resistance, high temperature resistance, and excellent mechanical properties are essential.
ASTM B725 specifies the dimensions, tolerances, and materials for welded pipes. It covers a range of pipe sizes, from small diameters to large ones, ensuring versatility for different industrial purposes. The standard also provides specific requirements for the chemical composition, mechanical properties, and testing procedures to guarantee the quality and reliability of these pipes.
Manufacturers and suppliers in the industry adhere to ASTM B725 to ensure the highest level of quality for welded nickel and nickel copper alloy pipes. Compliance with this specification assures customers and end-users that the pipes they receive meet the necessary standards for their intended applications. This standard plays a crucial role in maintaining consistency, safety, and performance for these pipes across various industries.

Nickel Copper Alloy 400 Specifications
| Specifications |
ASTM B165 / ASME SB165 ASTM B163 / ASME SB163 ASTM B474 / ASME SB474 ASTM B725 / ASME SB725 |
| Dimensions | ASTM, ASME, and API |
| Size | 15″NB TO 150″NB IN |
| Specialized in | Large Diameter Size |
| Range | We offer a wide range of tube dimensions, ranging from 6.35 mm outer diameter up to 254 mm outer diameter. The thickness of the tubes can be anywhere from 0.6 mm up to 20 mm. Our selection of tubes ensures that we have the right dimensions to meet your specific needs. Whether you require thin-walled or thick-walled tubes, we have you covered. Our tubes are made from high-quality materials and are built to last. Contact us today to learn how we can help you with your tube needs. |
| Type | Seamless / ERW / Welded / Fabricated |
| Form | Round, Hydraulic Etc |
| Length | Single Random, Double Random & Cut Length. |
| End | Plain End, Beveled End, Treaded |
Alloy UNS N04400 Seamless Tubes Pressure Class
| Pipe O.D. | Wall Thickness of Pipe/Tube (inches) | |||||||
| (in.) | 0.028 | 0.035 | 0.049 | 0.065 | 0.083 | 0.095 | 0.109 | 0.12 |
| Working Pressure (psig) | ||||||||
| 1/8 | 7900 | 10100 | ||||||
| 1/4 | 3700 | 4800 | 7000 | 9500 | ||||
| 5/16 | 3700 | 5400 | 7300 | |||||
| 3/8 | 3100 | 4400 | 6100 | |||||
| 1/2 | 2300 | 3200 | 4400 | |||||
| 3/4 | 2200 | 3000 | 4000 | 4600 | ||||
| 1 | 2200 | 2900 | 3400 | 3900 | 4300 | |||
Monel 400 Tube Features:
1. Corrosion Resistance: One of the main reasons for using Monel UNS N04400 tubes is their excellent resistance to a variety of corrosive environments, including seawater, acids, alkalis, and industrial gases.
2. High strength: At high temperatures, the mechanical properties of 2.4360 Monel 400 can be maintained up to about 600°C (1112°F), alloy 400 still maintains good strength and toughness in low-temperature environments, and it can be used in freezing applications.
3. Thermal stability: Monel alloy 400 has good thermal conductivity and a low thermal expansion coefficient, making it suitable for applications involving temperature changes.
4. Non-magnetic: Nickel alloy 400 is non-magnetic even at low temperatures, making it useful in applications where magnetic interference must be minimized.
5. Ease of manufacture: Monel 400 special metals can be easily manufactured into various forms, including pipes, pipes, plates, fittings, and flanges.
2.4360 Monel 400 Pipe Tube Application
One of the main features of the Monel 400 seamless tube is its high strength and toughness, allowing it to withstand high pressure and high-temperature conditions without deformation or cracking. This, combined with its excellent weldability and formability, make Monel 400 tube a popular choice for a wide variety of equipment and machinery requiring high-strength materials, including oil and gas, chemical processing, marine, and aerospace. Its application in the oil and gas industry is especially important due to its resistance to corrosion and erosion caused by the harsh environments associated with drilling and extraction operations.
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