ASME SB163 Monel 400 Nickel Alloy Tubular Evaporator Applications
Gnee Steel
ASME SB163 Monel 400 Nickel Alloy Tubular Evaporator Applications
ASME SB163 Monel 400 nickel alloy seamless tubing is used in tubular evaporators due to its excellent corrosion resistance, high temperature resistance, and good heat transfer properties. This specification covers tubing used in critical heat transfer applications such as heat exchangers, condensers, and evaporators.
Gnee Steel
What is the maximum operating temperature of Monel 400?
Hot working temperatures range from 1700°F to 2150°F. Optimum working temperature is approximately 2000°F. By properly controlling the amount of hot working and/or cold working and selecting the appropriate heat treatment method, a wide range of mechanical properties can be achieved in the finished product.
Chemical Composition of monel 400 Pipe
| Grade | C | Mn | Si | S | Cu | Fe | Ni | Cr |
|---|---|---|---|---|---|---|---|---|
| Monel 400 | 0.30 max | 2.00 max | 0.50 max | 0.24max | 28.0-34.0 | 2.50 max | 63.00 min | – |
Physical Properties of monel 400 Pipe
| Properties | Metric | Imperial |
|---|---|---|
| Density | 8.8 gm/cm3 | 0.318 lb/in3 |
Equivalent Material Grade Of monel 400 Tubing
| STANDARD | UNS | WERKSTOFF NR. | EN | JIS | GOST | BS | AFNOR |
| Monel 400 | N04400 | 2.4360 | NiCu30Fe | NW 4400 | МНЖМц 28-2,5-1,5 | NA 13 | NU-30M |
Pressure Rating Of UNS N04400 Alloy Pipe
| Monel 400 Pipe O.D. (in.) |
Wall Thickness of Monel 400 Pipe (inches) | |||||||
|---|---|---|---|---|---|---|---|---|
| 0.0035 | 0.0028 | 0.0049 | 0.0083 | 0.0095 | 0.0065 | 0.0109 | 0.0120 | |
| 1/4 | 4800 | 3700 | 7000 | 9500 | ||||
| 1/8 | 10100 | 7900 | ||||||
| 3/8 | 3100 | 4400 | 6100 | |||||
| 5/16 | 3700 | 5400 | 7300 | |||||
| 3/4 | 2200 | 4000 | 4600 | 3000 | ||||
| 1/2 | 2300 | 3200 | 4400 | |||||
| 1 | 2900 | 3400 | 2200 | 3900 | 4300 | |||
Evaporator Application Characteristics
Excellent Corrosion Resistance: Monel 400 is a nickel-copper alloy with excellent corrosion resistance to a wide range of corrosive media, including high-temperature steam, seawater, and a variety of acids and bases. It is particularly resistant to hydrofluoric acid, making it one of the few alloys suitable for such applications.
Resistant to Stress Corrosion Cracking: The alloy is virtually immune to chloride-induced stress corrosion cracking in typical operating environments, which is critical for marine and chemical processing applications.
High Strength Over a Wide Temperature Range: Monel 400 maintains its strength and toughness from sub-zero to high temperatures of 1000°F (538°C).
Good Thermal Conductivity: The alloy has good thermal conductivity, which is essential for efficient heat exchange in evaporator tubes.
Resistant to Specific Corrosion: It offers excellent corrosion resistance in reducing environments common in many chemical processes. Its resistance to salts, degassed acids, and alkaline solutions also makes it a reliable material.
Applications in Evaporators and Related Equipment
The properties of ASME SB163 Monel 400 alloy make it suitable for a variety of evaporators across multiple industries:
Desalination: In offshore and desalination plants, Monel 400 alloy is used in boiler feedwater heaters and other heat exchangers. Its low corrosion rate in fast-moving seawater ensures the longevity of the equipment.
Chemical Processing: Monel 400 alloy is used in evaporators handling corrosive chemicals. For example, it is used in the production of chlorinated solvents and the purification of ethyl chloride, as well as in evaporators handling hydrochloric and hydrofluoric acids.
Salt Production: The alloy's tolerance to neutral and alkaline salts makes it a reliable material for evaporators used in salt production and processes involving residual salt compounds.
Petroleum Refining: Tubular evaporators made of Monel 400 are used in crude oil distillation columns and reboilers, which must withstand high temperatures and corrosive media.
General Industrial Uses: In addition to evaporators, ASME SB163 tubing is also used in condensers, pressure vessels, and other heat exchange equipment requiring a robust material to withstand corrosive process fluids.
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. We also offer customized alloy solutions tailored to customer needs. For alloy pricing inquiries or customized alloy solutions, please contact us for a quote at ss@gneesteel.com.
