Monel 400 Hex Nuts, also known as UNS N04400 Hex Nuts, are fasteners made from the Monel 400 alloy. Monel 400 is a nickel-copper alloy known for its excellent corrosion resistance and high mechanical strength. Hex nuts are used in conjunction with bolts and threaded rods to secure components together. Here are some considerations for Monel 400 Hex Nuts:

Corrosion Resistance: Monel 400 is highly regarded for its exceptional corrosion resistance in various environments, including seawater, acids, alkaline solutions, and more. Monel 400 hex nuts are an excellent choice for applications where corrosion resistance is crucial, such as marine and chemical processing industries.
Strength: Monel 400 hex nuts provide good mechanical properties and high tensile strength. This strength is important for securely fastening components, particularly in demanding environments.

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Monel 400 Hex Nuts
  • UNS


  • WNR



    ASTM F468


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Weldability: Monel 400 hex nuts can be welded using appropriate methods, allowing them to be used in various applications that involve fabrication and welding.
Machinability: Monel 400 can be machined, although it can work-harden during the process. Proper machining techniques and tools should be used to achieve accurate dimensions without compromising the material's properties.

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fevicon-logo Monel 400 Hex Nuts Specification

SpecificationsASTM F468
Size Cold Forming process: M2-M24
Hot Forging process: M24-M100, 1-1/2” Dia, up to 1100mm lg
CNC Machining for M100 / 4” Dia, up to 1500mm lg
Manufacturing M2, M3, M3.5, M4, M5, M6, M8, M10, M12, M14, M16, M18, M20, M22, M24, M27, M30, M33, M36, M42, M45, M48 to M160 and Custom Metric Monel Hex Nuts
Hex Nut Sizes Metric Dia: M10 – M110 / Length: 12 – 1200MM
Hex Nuts Size Inch Dia: 1/2″ – 4.0″ / Length: 1/2″ – 52″
Length3 to 200 mm
Types Heavy Hex Nuts, Large Heavy Hex Nuts, Heavy Hex Jam Nut, Heavy Hex Coupling Nut, Heavy Duty Hex Nuts
DIN Standard DIN 934, DIN 982, DIN 985, DIN 936, DIN 929, DIN 1587, DIN 439, DIN 315
DimensionsASME B18.2.2 Heavy Hex Nuts, ASME B18.2.4.6M Metric Heavy Hex Nuts, ASME B18.16.6 / ASME B18.16.4 / ASME B18.2.2
ThreadsMETRIC, BSW, UNC, UNF, BSF or as required
Hex Nuts FormingHot Forged Hex Nuts & Cold Forged Hex Nuts
UTS – Unified Thread StandardUNC, UNF, NPT, UNS, UNEF, NPTF

Heat Treatment: Monel 400 hex nuts are typically used in their annealed condition. Heat treatment is generally not required, as the alloy exhibits good mechanical properties without additional treatment.
Applications: Monel 400 hex nuts are used in various industries and applications, including:
Marine and Offshore: Hex nuts are used in shipbuilding, offshore platforms, and other marine structures due to their resistance to seawater corrosion.
Chemical Processing: In equipment such as pumps, valves, and reactors where resistance to corrosive chemicals is essential.
Aerospace: In certain aerospace applications where corrosion resistance and mechanical strength are critical.
Oil and Gas Industry: Hex nuts are employed in refineries, gas processing plants, components exposed to harsh environments.
Power Generation: In power plants, particularly in components that come into contact with water or steam.
When using Monel 400 hex nuts, it's vital to ensure that they are compatible with the specific requirements of your application, including environmental conditions, load-bearing capacity, and the thread size of the bolts or threaded rods being used.
Proper installation practices, such as torque specifications and tightening procedures, should be followed to ensure the reliability and integrity of the fastened joints.

Quality Assurance

To preserve the high standards of our selection of industrial hex nuts, we have always adhered to a systematic quality management process.

Team OF Experts

Our staff of experts is vibrant and talented, and they have always been our largest supporters and contributors to our success. Our vision is to create a world of hex nuts.

fevicon-logo Equivalent Grades Of Monel 400 Hex Nuts

Monel 400 2.4360 N04400 NW 4400 NA 13 МНЖМц 28-2,5-1,5 NU-30M NiCu30Fe

fevicon-logo Chemical Composition of Monel 400 Hex Nuts

Grade C Mn Si S Cu Fe Ni
Monel 400 0.30 max 2.00 max 0.50 max 0.024 max 28.00 – 34.00 2.50 max 63.00 min

fevicon-logo Mechanical Properties of Monel Alloy 400 Hex Nuts

Element Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
Monel 400 8.8 g/cm3 1350 °C (2460 °F) Psi – 80,000 , MPa – 550 Psi – 35,000 , MPa – 240 40 %

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fevicon-logo Types of Monel 400 Hex Nuts

Hex Nuts

Monel 400 Hexagon Nuts

Heavy Hex Nuts

Monel 400 Heavy Hex Nuts

Hex Weld Nuts

Monel 400 Hex Weld Nuts

Hex Flange Nut

Monel 400 Hex Flange Nut

Hex Coupling Nut

Monel 400 Hex Coupling Nut

Hex Jam Nut

Monel 400 Hex Jam Nut

Slotted Hex Nuts

Monel 400 Slotted Hex Nuts

Hex Nylock Nuts

Monel 400 Hex Nylock Nuts

Hex Nuts Manufacturers In India

  • Hardness testing to ISO 6508-1

  • Nut proof load testing to ISO 898-2

  • Suitability for preloading to EN 14399-2

  • Calibrated gauges and tools

fevicon-logo Other Types Of Monel 400 Hex Nuts

Monel N04400 Hex Nut Monel 2.4360 Hexagonal Nuts
Monel 400 Hex Nut Suppliers 400 Monel Industrial Hex Nuts
Monel 400 Hex Nuts Stockist Nickel Alloy 400 Hex Nut
Alloy 400 Hex Nuts Supplier in Mumbai 400 Monel Hex Nuts Manufacturer
400 Monel Alloy Hex Nuts Manufacturer in India High Quality Monel 400 Hex Nuts
Alloy 400 Hex Nuts Stockist in Mumbai ASTM F468 400 Hex Nut
400 Monel Alloy Hex Nuts Stockist in India 400 Monel Hexagon Dome Nuts
Monel Alloy 400 Hex Nut Supplier in India Monel 400 Hex Thin Nuts
400 Monel Slotted Hex Nuts Monel 400 Hex Nuts Manufacturer in Mumbai

fevicon-logo Monel 400 Hex Nuts Application Industries

Aerospace Industry
Nuclear Industry
MEdical Industry
Marine Industry
Mining Industry
Automotive Industry
Construction Industry
Manufacturing Industry
Nut Bolt