Monel is a group of nickel alloys, primarily composed of nickel (up to 67%) and copper, with small amounts of other elements such as iron and manganese. Monel alloys are known for their excellent corrosion resistance, particularly in highly corrosive environments. Monel pipes and tubes are widely used in industries where resistance to seawater, chemical corrosion, and high temperatures is essential.

Monel Pipes

Here are some key features and applications of Monel pipes and tubes:

  • Corrosion Resistance: Monel alloys exhibit exceptional resistance to corrosion, making them suitable for use in marine environments, chemical processing, and applications where exposure to corrosive substances is a concern.
  • High Strength: Monel pipes and tubes retain their strength at elevated temperatures, making them suitable for applications where strength and durability are critical.
  • Versatility: Monel alloys are versatile and find applications in various industries, including marine engineering, chemical processing, oil and gas, and more.
  • Excellent Ductility: Monel exhibits good ductility and can be easily fabricated into different shapes, making it suitable for various manufacturing processes.
  • Weldability: Monel is generally weldable, although proper welding techniques should be employed to maintain the material's corrosion resistance and mechanical properties.
  • Common Grades: The most common grades of Monel used for pipes and tubes include Monel 400 (Alloy 400) and Monel K-500. Monel 400 is known for its general corrosion resistance, while Monel K-500 offers additional strength and hardness.

When selecting Monel pipes and tubes, it's important to consider factors such as the specific grade of Monel, the intended application, and the environmental conditions the material will be exposed to. Additionally, compliance with industry standards and specifications is essential to ensure the proper performance of Monel alloys in various applications.



Pipes Specifications ASTM B165 / ASTM B725 / ASTM B163 / ASTM B730 / ASME SB165
Dimensional specification ANSI/ASME B36.19M, ANSI/ASME B36.10M
Seamless Pipe Size 1 / 8" NB - 24" NB
Welded Pipe Size 1 / 8" NB - 24" NB
EFW Pipe Size 6" NB - 48" NB
Outside Diameter 6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB available Ex-stock, OD Size Steel Tubes available Ex-stock
Manufacturing Shapes Hydraulic, Round, Rectangle, Square, Hex, Honed
Manufacturing Techniques Normalized & as Rolled
Schedule Thickness Range SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS
End Types Plain End, Beveled End, Treaded One End, TBE (Treaded Both Ends)
Surface Finish No.1, No.4, No.8 Mirror Finish, 2B
Value Added Services Cutting, Beveling, Polishing, Threading, Destructive, Non Destructive, Ultrasonic Testing
Inspection and Test Reports EN 10204 3.1, Mill Test Certificates, Chemical Reports, PMI Test Reports, Mechanical Reports, Third Party Inspection, NABL Approved Lab, Visual Inspection, Destructive Test and Non Destructive Test Reports
Marking Specification
Nominal Pipe Sizes
Pipe Schedule or Wall Thickness
Manufacturing Method (Seamless / Welded)
Heat Number
Manufacturer’s Name or Custom Logo - on request
Marked Pipe Sample: ANSI B36.19 ASTM A 312 12" NB SCH 40S SEAMLESS HEAT NO. XXXX
Outside Finish 2B, No.4, No.1, No.8 Mirror Finish for Stainless Steel Pipes, Finish as per customer Requirements
Delivery Condition Annealed and Pickled, Polished, Bright Annealed, Cold Drawn
Heat Treatment Normalized, Normalized & Tempered
Packing of Monel Pipes Packed in Wooden Boxes, Plastic Bags, Steel Strips Bundled, or as per Customers Requests
Specials Sizes and Specifications other than above can be on request
Grades 400, 500



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