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Home » Products » Nickel & Nickel-based Alloys » Nickel Alloy 400 Monel 400 UNS N04400 Nickelvac 400 Nicorros 400

Nickel Alloy 400 Monel 400 UNS N04400 Nickelvac 400 Nicorros 400

Monel 400 is resistant to both steam and seawater as well as highly caustic solutions such as sulfuric, hydrochloric, and hydrofluoric acids when they are deaerated. It exhibits excellent weldability and can withstand very large amounts of pressure and weight. The alloy has great mechanical properties at subzero temperatures, and with a melting point of 2370° – 2460° F, products can be used at temperatures up to 1000° C.

Monel 400 works in a range of acidic and alkaline environments and features excellent ductility and thermal conductivity. Its properties make it perfect for heavy-duty applications and those that require a high melting point and toughness under the harshest conditions.
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Monel 400 is essential in heat exchangers, chemical plant equipment, and boiler feeders. It is ideal in wire or rod form and is excellent for trolling wire due to its resistance to seawater. Monel 400 provide superior quality for different types of mechanical, and general engineering applications. Its toughness lends itself to use in nuclear power plants, mining, cement, and the oil and gas industry.

Industrial applications include:

Heat exchangers

Crude oil distillation towers

Propeller and pump shafts

Oil refinery crude columns

Pickling bat heating coils

Feedwater and steam generator tubing

Valves, pumps, fittings, and fasteners

Crude petroleum stills

Sulfuric acid and hydrofluoric acid alkylation plants

Deaerating heaters

Gasoline and freshwater tanks

Chemical and hydrocarbon processing equipment

Chlorinated solvents

Brine heaters and seawater scrubbers in tanker inert gas systems

Metal instruments

Monel 400 is corrosion resistant to most salts, water, alkalis, organic substances, food products, and atmospheric conditions at both normal and elevated temperatures.

Jiangsu HYT supplies Monel 400 in tube, pipe, sheet, plate, strip, round bar,hexagon bars, forging stock, fittings, flanges and wire forms. Its unique properties offer excellent advantages over other types of metal and make it a staple in chemical, marine, and many other applications.

Contact us for more information regarding our nickel alloy Monel 400 UNS N04400 manufacturing and distribution options, or contact us through and we will gladly answer any questions that you may have. HUI YOU TONG is your trusted supplier for Monel 400 UNS N04400 alloy products.

Chemical Composition of Nickel Alloy 400 Monel 400

Element Content (%)
Nickel, Ni 63-70
Copper, Cu 28-34
Iron, Fe 2.5
Manganese, Mn 2
Silicon, Si 0.5
Carbon, C 0.3
Sulfur, S 0.024

Physical Properties of Nickel Alloy 400 Monel 400

Properties Metric Imperial
Density 8.80 g/cm3 0.318 lb/in3
Melting point 1300-1350°C 2370-2460°F

Mechanical Properties of Nickel Alloy 400 Monel 400

Properties Metric Imperial
Tensile strength (annealed) 517-655 MPa 75-95 ksi
Yield strength (annealed) 276-517 MPa 40-75 ksi
Elongation at break (annealed) 30-45% 30-45%
Brinell hardness 125-215 125-215
Rockwell B hardness 70-96 70-96

Thermal Properties of Nickel Alloy 400 Monel 400

Properties Metric Imperial
Thermal conductivity 22 W/mK 150².°F

Fabrication and Heat Treatment of Nickel Alloy 400 Monel 400


Nickel alloy 400 can be machined at standard rates using conventional machine tools.



The alloy can be welded using conventional welding techniques such as plasma arc welding, gas metal arc welding, gas tungsten arc welding and shielded metal arc welding.


Cold Working

The alloy can be cold-worked by all cold fabrication methods.


Hot Working

Hot forming of nickel alloy 400 can be performed at temperatures 649 - 1177°C (1200-2150°F).

Tables below are some of alloy products HYT can provide. You can type product type, specific sizes and other details in the form below, and then we will give you a free quote within 1 days. 

Customization is also available. If you have special demands on size, shape, etc. Welcome to send us your special requirements.

Main Monel 400 Products:


Monel 400 Pipe


Sch. 5 Sch. 10 Sch. 20 Sch. 40

Sch. 80 Sch. 120 Sch. 160 Sch. XXH

Nominal Diameter (standard)

1 inches ~ 8 inches

Nominal Diameter (Metric)

25 mm ~ 200mm

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Monel 400 Plate


3/16 inches~4 inches


0.1875 inches~4.000 inches

4.7625 mm~101.6 mm


0.319 lbs/in³

8.84 g/cm³

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Monel 400 Round Bar


1 inches ~ 9/32 inches


1 inches ~ 0.281 inches

25.4 mm ~ 7.1374 mm


0.319 lbs/in³

8.82989 g/cm³

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Monel 400 Sheet


0.018 inches~0.134 inches

0.4572 mm~3.4036 mm


Monel 400


0.319 lbs/in³

8.84 g/cm³


(36~48) x (96~120) inches

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Monel 400 Tube


Monel 400


1 inches~9/16 inches

25.40 mm~14.29 mm


0.028 inches~0.065 inches

0.7112 mm~1.6510 mm

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Contact HUI YOU TONG for Monel 400 UNS N04400 Alloy Today

Contact us for more information regarding our Monel 400 UNS N04400 product options, or request a quote for further pricing details today. HUI YOU TONG is your trusted supplier of premium Monel 400 UNS N04400 metal products.


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