MONEL 400 nickel alloy seamless power pipe
Monel 400 seamless power tubing is a strong, corrosion-resistant nickel-copper alloy known for its durability in harsh conditions such as seawater, acidity, and high temperatures. Due to its high mechanical strength, heat resistance, and non-magnetic properties, it is a versatile material used in power generation, offshore engineering, and chemical processing. Its key properties include its composition, excellent mechanical and thermal properties, and a wide range of applications where corrosion and pressure resistance are crucial.
What is the composition of Monel 400 pipe?
Monel 400 is a nickel-copper alloy (approximately 67% nickel - 23% copper) that is resistant to high-temperature seawater and steam, as well as saline and alkaline solutions. Alloy 400 is a solid solution alloy that can only be hardened by cold working.
Chemical Composition of ASTM B165 MONEL 400 alloy power 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 |
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Mechanical Properties of ASTM B165 MONEL 400 seamless power pipe
| Condition & Size | Tensile Strength, min. ksi [MPa] |
Yield Strength, min. ksi [MPa] |
Elongation, min. % |
|---|---|---|---|
| *A | 70 [480] | 28 [195] | 35 |
| *B | 70 [480] | 25 [170] | 35 |
| *C | 85 [585] | 55 [380] | 15 |
Specification of Monel 400 Pipes
Specifications : ASTM B161, B725 / ASME SB161, SB725
International Standards : ASME, GB, DTD, DIN, JIS, EN, AMS, TOCT, SAE, AISI, NF, DS, ASTM
Seamless Pipe Size : 1/2" NB - 16" NB
ERW Pipe Size : 1/2" NB - 24" NB
EFW Pipe Size : 6" NB - 100" NB
Wall Thickness : SCH 5, SCH 10, SCH 40, SCH 80, SCH 80S, SCH 160 SCH XS, SCH XXS
Length : Single Random, Double Random & Required Length
Form : Round, Square, Rectangular, Oval, Hydraulic Etc
Type : Seamless / ERW / Welded / Fabricated Pipes
End : Plain End, Beveled End, Treaded
Outside Finish : 2B, No.4, No.1, No.8 Mirror Finish for Stainless Steel Pipes, Finish as per customer Requirements
Monel 400 Pipe Sizes in mm
| Nominal Pipe Size (NPS) | Outside Diameter (OD) | |
|---|---|---|
| mm | inch | mm |
| 3 mm | 1/8 Inch | 10.3 mm |
| 6 mm | 1/4 Inch | 13.7 mm |
| 10 mm | 3/8 Inch | 17.1 mm |
| 15 mm | 1/2 Inch | 21.3 mm |
| 20 mm | 3/4 Inch | 26.7 mm |
| 25 mm | 1 Inch | 33.4 mm |
| 32 mm | 1.1/4 Inch | 42.2 mm |
| 40 mm | 1.1/2 Inch | 48.3 mm |
| 50 mm | 2 Inch | 60.3 mm |
| 65 mm | 2.1/2 Inch | 73.0 mm |
| 80 mm | 3 Inch | 88.9 mm |
Applications
Power Generation: Used in heat exchangers, pumps, and manifolds.
Offshore: Suitable for components exposed to seawater, such as brine heaters and seawater scrubbers.
Chemical Processing: Used in handling corrosive chemicals, including the production of perchloroethylene and chlorinated plastics.
Other Industries: Used in applications involving radioactive materials and various other environments, where its strength and corrosion resistance are advantageous.
Manufacturing and Maintenance
Manufacturing: Seamless pipe is formed from hot billets to ensure superior strength and load-bearing capacity.
Quality Control: Reputable manufacturers perform various tests to ensure performance under varying temperatures and pressures.
Maintenance: Proper maintenance includes regular cleaning and protecting the pipe from harsh chemicals or abrasive materials.
Cost: Due to its composition, Monel 400 pipe can cost more than pipe made from other materials.
Gnee Steel specializes in the production of various nickel-based alloys. Gnee Steel's product packaging includes steel strapping: Pipes with an outer diameter of 3 inches or less are typically strapped together with polypropylene film to prevent rust during sea transportation, and then secured with steel strapping. Wooden boxes/crates: Pipes are typically packaged in wooden boxes or crates to protect them during transportation, especially those that are longer or have larger diameters. Seaworthy export packaging: Suppliers typically use standard seaworthy export packaging methods, which may include a variety of materials and techniques to protect the pipes during transportation. Tarpaulin packaging: This prevents rain, seawater, and other external factors from penetrating the export wooden crates during transportation. Gnee Steel specializes in the production and sale of alloy materials. Gnee Steel's products are widely used in aerospace, chemical, power, automotive, and nuclear energy industries, and we can provide customized alloy material solutions based on customer needs. For alloy material pricing inquiries or customized alloy material solutions, please contact us for a quote at ss@gneesteel.com.
