Sep 28, 2025 Leave a message

ASME SB163 Monel 400 Nickel Alloy Seamless Pipe for Chemical Industry

 
 
 
ASME SB163 Monel 400 Nickel Alloy Seamless Pipe for Chemical Industry
ASME SB163 Monel 400 Nickel Alloy Seamless Pipe For Chemical Industry
01.

ASME SB163 Monel 400 Nickel Alloy Seamless Pipe for Chemical Industry

ASME SB163 specifies cold-finished seamless pipe made from Monel 400 nickel-copper alloy (UNS N04400). This alloy is favored by the chemical industry for its excellent corrosion resistance, particularly against seawater and acids, and its exceptional mechanical strength and toughness over a wide temperature range. Its key properties, including high strength, ductility, and stability, make it suitable for high-pressure systems, process vessels, pumps, valves, and heat exchangers in corrosive chemical environments. However, its high cost limits its use to applications where less expensive alternatives are insufficient.

02.

What are the specifications for Monel 400 pipe?

This grade of nickel-copper alloy is available in ASTM B165 and B725 specifications. Pipe is available in seamless, welded, electric-resistance-welded, and fabricated forms. ASME SB165 Monel 400 seamless pipe conforms to ASTM, ASME, and API standards and is available in nominal inside diameters ranging from 15 inches to 150 inches.

Monel 400 Pipe

ASME SB163 Monel 400 Pipe for Chemical Industry Specifications:

 

ASTM B163 Monel 400 Seamless Tubes Specification

 

 

ASTM B163 / ASME SB163 / ASTM B165 / ASME SB165 / ASTM B725 / ASME SB725 / UNS N04400

 

 

ASTM B163 Monel 400 Seamless Tubes Grades

 

 

Monel 400 / MONEL 401 MONEL R-405 / MONEL 404 / MONEL K500 / UNS NO4400

 

 

ASTM B163 Monel 400 Seamless Tubes Type

 

 

to Rolled / Cold Drawn / Welded / ERW

 

 

ASTM B163 Monel 400 Seamless Tubes Outer Diameter Size

 

 

Seamless - 1/4" NB to 6" NB (Nominal Bore Size)
Welded / ERW- 1" NB to 16" NB (Nominal Bore Size)

 

 

ASTM B163 Monel 400 Seamless Tubes Wall Thickness

 

 

Schedule 10 to Schedule 160

 

 

ASTM B163 Monel 400 Seamless Tubes Length

 

 

5 to 7 Meters, 09 to 13 Meters, Single Random Length, Double Random Length And Customize Size.

 

 

ASTM B163 Monel 400 Seamless Tubes Ends

 

 

Plain Ends / Beveled Ends

 

 

ASTM B163 Monel 400 Seamless Tubes Delivery Conditions

 

 

As Rolled, Cold Drawn, Hot Finish, Stress Relieved, Annealed, Hardened, Tempered

 

 

ASTM B163 Monel 400 Seamless Tubes Coating

 

 

Electropolish, Mechanical Polish, Satin Finish, Passivated

 

 

ASTM B163 Monel 400 Seamless Tubes Other Testing

 

 

NACE MRO175, Hardness Test, Flare, Hydrostatic Test, Eddy Current test, Grain Size Test, Eddy Current, Annealed, Tempered, Stress Relieved etc.

 

 

ASTM B163 Monel 400 Seamless Tubes Dimension

 

 

All Pipes Is Manufactured and Inspected / Tested to the Relevant standards including ASTM And ASME

 

Role in the Chemical Industry
Pipes and Vessels: Its excellent corrosion resistance and high-temperature stability make it an ideal choice for process piping, chemical reactors, and storage tanks in chemical plants.
Pumps and Valves: The alloy's toughness and corrosion resistance are fully utilized in high-pressure pumps, valves, and related components.
Heat Exchangers: Due to its corrosion resistance, it is used in heat exchangers, including boiler feedwater heaters and deaerator heaters.

 

Uses
Specialized Applications: Although expensive, Monel 400's unique combination of properties makes it suitable for demanding applications where other materials may fail.
Reliability: Its immunity to certain types of cracking and stable mechanical strength across a wide temperature range ensure reliable performance in critical chemical processes.

 

ASME SB163 Specification
Scope: This standard covers cold-worked seamless nickel-copper alloy tubing, designated UNS N04400 (Monel 400).
Testing: Pipes must meet mechanical property (tensile testing) and chemical composition limits, and undergo testing such as hydrostatic pressure testing and non-destructive electrical testing to ensure quality and performance.

Gnee Steel

 

About Gnee Steel

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.

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