Monel 400 Pipe Manufacturer and Supplier in India
Monel 400 Pipe is a nickel-copper type of material that is designed to work in service environments that include sea water, brine, acidic and alkaline environments. It contains a large percentage of corrosion, erosion and stress corrosion crack resistance, and can be used in aggressive industrial and marine applications which ordinary stainless steel piping cannot withstand. Monel 400 pipes are normally supplied to ASME SB165 and ASTM B165 specifications which are internationally known as the UNS N04400. Equivalent material standards include Werkstoff 2.4360 and EN NiCu30Fe titles that are utilized in the engineering and process industries of the world and permit the similarity of the material to international project documentation.
Monel 400 is more resistant to seawater and hydrofluoric acid corrosion and corrosion by chloride-containing environments than the austenitic stainless steels, such as 316. Its application is typically common when the pitting, crevice corrosion or shorter life of stainless steel is noted particularly in marine, chemical processing and offshore systems. Stellar Alloys is a producer and distributor of the Monel 400 seamless and welded pipes which have enabled it to maintain local and international projects. We provide complete certification and project documentation to our marine systems, chemical plants, heat exchangers, desalination units and oil and gas piping.
Table of Contents
- Monel 400 Pipe Product Range
- Types of Monel 400 Pipes We Supply
- Specifications and Standards of ASTM B165 Monel 400 Pipe
- Dimensions, Sizes and Schedules of Monel 400 Pipe
- Chemical Composition of UNS N04400
- Mechanical Properties of Monel 400 Pipe
- Weight and Pressure Ratings of Monel 400 Pipe
- Heat Treatment and Welding of Monel 400 Pipe
- Testing, Certification and Marking of Monel 400 Pipe
- Monel 400 Pipe Price and Stock Availability
- Monel 400 Pipe Applications
- Related Links
- Frequently Asked Questions About Monel 400 Pipe
Monel 400 Pipe Product Range
Stellar Alloys also supplies Monel 400 pipes in seamless, welded and ERW to satisfy different pressure, corrosion and fabrication needs. Pipes are offered in the precision small-diameter and the large-diameter welded structures of process piping and marine systems. Supply has solution-annealed condition and cut-to-length project execution.
Types of Monel 400 Pipes We Supply
Monel 400 is available in several forms of pipes and tubes, each designed to meet specific operational requirements. The table below summarizes the major types along with their characteristics and typical applications.
Seamless Pipes
Welded Pipes
Seamless Tubes
Welded Tubes
ERW Pipes
ERW Tubes
Square Pipes & Tubes
Rectangular Pipes & Tubes
Threaded Pipes & Tubes
For applications requiring higher mechanical strength, buyers may also evaluate Monel K500 pipes.
Corrosion Resistance and Service Performance of Monel 400 Pipe
Monel 400 pipes are suitable for the sea, brackish water, neutral salts, and alkaline water. The nickel-copper alloy offers great resistance against pitting, erosion corrosion, and stress corrosion fracture. The alloy also does well in the reduction of acids like the hydrofluoric acid, hence it is applicable in chemical processing and in service in the sea.
For environments involving mixed acids or severe reducing conditions, engineers may consider Hastelloy C276 pipes.
Specifications and Standards of ASTM B165 Monel 400 Pipe
ASTM B165 Monel 400 Seamless Pipe Specifications
This specification applies exclusively to ASTM B165 Monel 400 pipes identified as UNS N04400 and does not cover other Monel alloy grades.
Parameter | Range |
Outside Diameter | ½” NB to 8” NB |
Wall Thickness | Sch 5 to Sch XXS |
Length | Single Random, Double Random, Cut Length |
Condition | Solution Annealed |
ASTM B165 Monel 400 Welded and ERW Pipe Specifications
Parameter | Range |
Outside Diameter | ½” NB to 24” NB |
Manufacturing | ERW / EFW |
Finish | Pickled, Polished |
End | Plain, Beveled |
Dimensions, Sizes and Schedules of Monel 400 Pipe
Monel 400 Pipe Size Range
OD Range | Wall Thickness | Length |
6.35 mm – 600 mm | 0.5 mm – 50 mm | Up to 12 m |
Monel 400 Pipe Schedule Chart
Schedule | Typical Use |
Sch 10 | Low pressure |
Sch 40 | Process piping |
Sch 80 | High pressure |
Sch 160 / XXS | Severe service |
Chemical and Mechanical Properties of Monel 400 Pipe
Chemical Composition of UNS N04400
Element | % |
Nickel | ≥ 63.0 |
Copper | 28.0 – 34.0 |
Iron | ≤ 2.5 |
Manganese | ≤ 2.0 |
Mechanical Properties of Monel 400 Pipe
Property | Value |
Tensile Strength | ≥ 550 MPa |
Yield Strength | ≥ 240 MPa |
Elongation | ≥ 40% |
Weight and Pressure Ratings of Monel 400 Pipe
Monel 400 Pipe Weight Chart
OD (mm) | Wall (mm) | Weight (kg/m) |
21.3 | 2.77 | 1.34 |
60.3 | 3.91 | 5.62 |
114.3 | 6.02 | 19.1 |
Pressure Rating
Pressure ratings are governed by pipe schedule, temperature, and ASME B31 design codes. Final allowable pressures must be confirmed against project design conditions.
Heat Treatment and Welding of Monel 400 Pipe
The pipes of Monel 400 are provided in a solution annealed state in order to preserve the corrosion resistance and ductility. The alloy can easily be welded through TIG, MIG, and SMAW welding. Suggested filler material would be ERNiCu-7 electrodes. Critical service is recommended to be cleaned and passivated after welding.
Testing, Certification and Marking of Monel 400 Pipe
Testing and Inspection
- Hydrostatic testing
- PMI (Positive Material Identification)
- Ultrasonic testing
- Dimensional inspection
Certification
- EN 10204 3.1 / 3.2 Mill Test Certificates
- Third-party inspection on request
Monel 400 Pipe Price and Stock Availability
Product Type | Standard | Price |
Seamless Pipe | ASTM B165 | Price on Request |
Welded Pipe | ASTM B165 | Price on Request |
Note: Pricing depends on size, schedule, quantity, testing requirements, and raw material rates.
Monel 400 Pipe Applications
The Monel 400 pipes are mostly used in sectors where there is a need for good corrosion resistance, mechanical stability, and long life of a pipe that operates in aggressive conditions. Some of the most common uses of this material in applications are given below.
- Advanced maritime and offshore piping :
Applied in seawater intake lines, cooling water systems, ballast systems, and offshore platform piping because of high resistance to saltwater corrosion and erosion. - Chemical processing equipment : Appropriate for working with acidic and alkaline chemicals such as hydrofluoric acid, sulfuric acid in a reducing environment, and caustic solution in reactors and transfer lines.
- Condensers and heat exchangers : Used in tube and pipe work where high thermal conductivity is needed, and also lessening the effects of corrosion caused by cooling media.
- Desalination plants : Applied in the brine systems, in evaporators and in seawater piping systems where resistance to chloride and long life durability are important.
- Oil and gas process systems : Used in offshore and onshore process piping, flare systems and utility lines that are susceptible to corrosive media and high flow velocity.
- Power generation facilities : Utilized in condenser piping, feedwater systems, and auxiliary lines operating under corrosive and thermal stress conditions.
- Pulp and paper industry equipment : Used in bleaching plants and chemical recovery systems where resistance to aggressive chemicals is essential.
Related Links:
Explore other corrosion-resistant alloy products and material categories relevant to Monel 400 pipe applications:
Ready Stock Available of Monel 400 Pipes
- Seamless pipes
- Welded and ERW pipes
- Square and rectangular sections
- Custom cut lengths
Why Choose Stellar Alloys for Monel 400 Pipes
Stellar Alloys is a well-known manufacturer and supplier of Monel 400 seamless and welded pipes, which are utilized in industrial, marine, and process industry projects with dependable quality and technical performance.
- Experience in nickel alloy piping : Several decades of experience in providing Monel, Inconel, Hastelloy and other high-performance alloy pipes as the means of critical service provision.
- ASTM-conforming production and supply : All Monel 400 pipes are furnished in compliance with ASTM B165 and ASME SB165 standards, providing dimensional conformity and consistency of materials.
- Large size and form availability : ERW pipes, seamless, welded, round, square, and rectangular pipes, that can satisfy various project and fabrication requirements.
- Traceability and project documentation : Provided with EN 10204 3.1 / 3.2 Mill Test Certificates and inspection documentation in compliance with EPC and exporting.
- Export capability : Knowledge of how to pack, mark, and provide compliance paperwork with international shipments.
- Reactive business and technical services : Help in the choice of materials, specifications, and order preparation of time-sensitive projects.
Frequently Asked Questions About Monel 400 Pipe
The application of Monel 400 is in marine, seawater handling, desalination plants and chemical processing, oil and gas equipment, heat exchangers and high temperature service lines. Its resistance to corrosions and mechanical strength depicts it as fit in the harsh and corrosive conditions.
Approximately sixty three percent nickel and twenty eight to thirty four percent copper mixed with minute quantities of iron, manganese, silicon and other elements compose Monel 400 pipe. This piece is a great corrosion resistant and durable piece in marine and chemical services.
Monel 400 has a much greater resistance to seawater, acidic media and alkaline conditions than stainless steel 316. It works in brackish water, hydrofluoric acid service and high temperature service whereas 316 is cheaper but does not work in highly corrosive or high chloride environments.
Monel 400 pipe is high performance nickel and copper alloy pipe, which is used in industrial conditions involving heavy work. It is available in seamless and welded shapes as per ASTM B165 and ASTM B725 requirements and finds large application in seawater services, chemical units and refinery piping systems.
Monel 400 pipe is high performance nickel and copper alloy pipe, which is used in industrial conditions involving heavy work. It is available in seamless and welded shapes as per ASTM B165 and ASTM B725 requirements and finds large application in seawater services, chemical units and refinery piping systems.
Yes, Monel 400 has an excellent corrosion resistance in salty water, brackish water and neutral salts, alkaline environment and most acidic conditions. It is also a good pitting and stress corrosion cracking and high velocity water flow resistant material.
The monel 400 pipe is capable of working in cryogenic temperatures to the tune of one thousand degrees Fahrenheit. It retains mechanical strength and toughness throughout this wide range of temperature, which is why it can be used in heat exchangers, boilers and in high temperature chemical processing.
EN 10204 3.1 or 3.2 Mill Test Certificate is supplied with Monel 400 seamless and welded pipes along with hydrostatic test, ultrasonic test and PMI reports where necessary. All industrial and project based applications are fully traceable.