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China Factory Special Steel Nickel Alloy High Quality Monel 400 UNS N04400 Seamless Pipes & Tubes for Chemical

Monel 400 is a corrosion-resistant alloy with the largest amount, the widest application and excellent comprehensive properties. UNS N04400 Monel 400 Seamless Pipe has excellent corrosion resistance in hydrofluoric acid and fluorine gas media, and also has excellent corrosion resistance to hot concentrated lye. At the same time, it is resistant to corrosion from neutral solutions, water, sea water, air, organic compounds, etc. An important feature of Monel Alloy 400 Seamless Tube is that it generally does not produce stress corrosion cracks and has good cutting performance.

The metallographic structure of Monel 400:

The structure of Monel400 alloy is a high-strength single-phase solid solution.

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Model: Monel 400 UNS N04400 Seamless Pipe
Brand: Ronsco

Technical Data Sheet of Alloy Seamless Pipe
Product Name

Monel 400 UNS N04400 Seamless Pipes & Tubes

Equivalent MaterialsMonel®400 alloy 400, UNS N04400, W.Nr. 2.4360 and 2.4361, NA13, NiCu30Fe
Type Seamless
ShapeSquare / Rectangular / Round / Special-shaped
Executive StandardASTM B127/ASME SB-127, ASTM B163/ASME SB-163, ASTM B165/ASME SB-165
Available Grades

Stainless steel 301 / 302 / 303 / 304 / 304L / 310S / 316L / 316Ti / 316LN / 317L / 904L / 2205 / 2507 / 321 / 32760 / 253MA / 254SMo / 410 / 420 / 430 / Custom465 / XM-19 / S31803 / S32750 / S32205 / F50 / F60 / F55 / F60 / F61 / F65

Nitronic 30 / Nitronic 32 / Nitronic 33 / Nitronic 40 / Nitronic 50 / Nitronic 60  etc..

Monel 400 / Monel K-500 
Inconel 600 / Inconel 601 / Inconel 625 / Inconel 617 / Inconel 690 / Inconel 718 / Inconel X-750 / Inconel 713C / Inconel 713LC
Incoloy A-286 / Incoloy 800 / Incoloy 800H / Incoloy 800HT
Incoloy 825 / Incoloy 901 / Incoloy 925 / Incoloy 926
Nimonic 75 / Nimonic 80A / Nimonic 90 / Nimonic 105 / Nimonic C263 / L-605
Hastelloy B / Hastelloy B-2 / Hastelloy B-3 / Hastelloy C / Hastelloy C-276 / Hastelloy C-22
Hastelloy C-4 / Hastelloy C-2000 / Hastelloy G-35 / Hastelloy X / Hastelloy N
PH stainless steel 15-5PH / 17-4PH / 17-7PH 
Out diameter Seamless Pipe 6MM - 1174MM or customized
Thickness Seamless Pipe 1mm - 80mm or customized
Max LengthSeamless Pipe 12000mm or customized
Finish 2B, Pickling, Polished, Brushed, Sandblast, BA, EP
Packing waterproof polybag, wooden box, end cap, wooden crame/pallet
Inspection TUV,SGS,BV,ABS,LR and so on
Application Large chemical containers for chemical industry, transportation, natural gas and petroleum industry, paper industry, environmental pollution control equipment, etc.
Processing Service Machining : Turning / Milling / Planing / Drilling / Boring / Grinding / Gear Cutting / CNC Machining  
Deformation processing :  Bending / Cutting / Rolling / Stamping
Delivery Time7-40 days
PaymentT/T, L/C,D/A,D/P, Western Union,MoneyGram,According to customer requirements payments for offline orders.
TransportationBy air, by sea, by train, by truck
WarrantyTrade assurance after sales service

Detailed introduction of Monel®400 alloy 400 Seamless Pipe


Overview of ASTM B165 UNS N04400 Monel 400 Pipe:

Monel 400 alloy (UNS N04400 or MCu-28-1.5-1.8 or Ni68Cu28Fe) is used in seawater, chemical solvents, ammonia sulfur chloride, hydrogen chloride, and various acidic media such as sulfuric acid, hydrofluoric acid, hydrochloric acid, phosphoric acid, and organic acids. Nickel-based alloy materials with good corrosion resistance in alkaline media, salt and molten salt.

Monel 400 alloy also has good mechanical properties, a wide range of use temperatures from low to high temperatures, good welding performance and medium and high strength.

Monel 400 is mainly used in the fields of chemistry, petrochemical, and marine development. It can be used to manufacture various heat exchange equipment, boiler feedwater heaters, petroleum and chemical pipelines, containers, towers, tanks, valves, pumps, reactors, shafts, etc.

Executive standards: ASTM B 164 (rods, wires), ASTM B 564 (forgings), ASTM B 127 (plates, strips), ASTM B 165 (seamless pipes).

Chemical Composition of Monel 400:

Monel 400The smallestmargin28


Physical Properties of Monel 400:

Melting point1300~1390℃

The minimum value of the mechanical properties of Monel 400 alloy at room temperature


Tensile strengt

 Rm N/mm2

Yield strengt

 RP0.2 N/mm2


rate A5%

Solid solution48017035

Application of UNS N04400 Monel 400 Seamless Pipe:

Monel400 alloy is a multi-purpose material that can be used in many industrial fields:

  • Seamless water pipes and steam pipes in power plants

  • Sea water exchanger and evaporator

  • Sulfuric acid and hydrochloric acid environment

  • Crude oil distillation

  • Pump shafts and propellers of equipment used in sea water

  • The nuclear industry is used to manufacture equipment for uranium extraction and isotope separation

  • Manufacture of pumps and valves used in the production of hydrochloric acid equipment

For more information about Monel 400 Alloy (UNS N04400) SeamlessPipesandTubes, please call +86-731-82250427 or send an Email to [[email protected]]

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