MONEL 400 Nickel Alloy Steel Seamless Tube for Heat Exchangers
MONEL 400 Nickel Alloy Steel Seamless Tube for Heat Exchangers
Monel 400 alloy seamless tubing is suitable for heat exchangers due to its excellent corrosion resistance in seawater and various acids, high mechanical strength at both high and low temperatures, and good thermal conductivity. Its key properties include its nickel-copper composition, high strength and toughness, good weldability, and resistance to stress corrosion cracking. While its performance is excellent, it's important to note that its high nickel and copper content makes it a relatively expensive material and difficult to process.
What is the heat treatment process for Monel 400 alloy?
Annealing heat treatment temperatures for Monel 400 alloy are generally between 700 and 900°C (1300 and 1650°F), with a recommended temperature of approximately 825°C (1510°F). Rapid air cooling or water quenching is recommended for improved corrosion resistance.
Specification Of Monel 400 Heat Exchanger Tube
| Standard | ASTM B163, B704 / ASME SB163, SB704 |
| Item | Heat Exchanger Tube |
| Heat Exchanger Tube Sizes | 3/8″ OD to 3″ OD (Imperial and Metric sizes) |
| Heat Exchanger Tube Thickness | 0.7mm to 4mm |
| Heat Exchanger Tube Length | 3 MTRS, Custom Length |
| Test Certifcate | EN 10204 3.1 |
Chemical Composition Of Monel 400 Heat Exchanger Tube
| Grade | C | Mn | Si | S | Cu | Fe | Ni |
| Monel 400 | 0.30 max | 2.00 max | 0.50 max | 0.024 max | 28.00 – 34.00 | 2.50 max | 63.00 min |
Mechanical Properties Of Monel 400 Heat Exchanger Tubing
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Monel 400 | 8.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80,000 , MPa – 550 | Psi – 35,000 , MPa – 240 | 40 % |
Monel 400 Heat Exchanger Tube Key Features
Corrosion Resistance: Excellent resistance to seawater, brackish water, and various corrosive agents, including salts, alkaline solutions, and certain acids.
Mechanical Strength: Maintains high strength, toughness, and mechanical properties over a wide temperature range, from cryogenic to elevated temperatures.
Hardenability: A solid solution alloy, it can only be hardened by cold working.
Thermal Conductivity: Excellent thermal conductivity, which is highly advantageous for heat exchanger applications.
Advantages for Monel 400 Heat Exchanger Pipe Applications
Marine and Chemical Processing: Ideal for applications involving seawater, steam, and various chemical solutions encountered in the marine and chemical industries.
High Performance: Exceptional performance in high-stress, high-heat, and highly corrosive environments.
Reliability: Its versatility and reliability make it the material of choice for demanding applications such as heat exchangers and condensers.
Gnee Steel specializes in the production and sale of various nickel-based alloys, including Nickel 201, Nickel 202, Hastelloy C-276, Hastelloy C-22, Hastelloy B, Hastelloy C-4, Inconel Alloy 600, Inconel 625, Inconel 718, Inconel X-750, Incoloy Alloy 800, Incoloy 800H/HT, Incoloy 825, Monel Alloy 400, Monel K500, and high-temperature alloys. Gnee Steel's products are widely used in aerospace, chemical, electric power, automotive, and nuclear energy applications, and we can provide customized alloy solutions tailored to customer needs. For alloy pricing inquiries or customized alloy solutions, please contact us for a quote at ss@gneemetal.com.
