Hardness testing to ISO 6508-1
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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.
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.
Specifications | ASTM 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″ |
Length | 3 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 |
Dimensions | ASME 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 |
Threads | METRIC, BSW, UNC, UNF, BSF or as required |
Hex Nuts Forming | Hot Forged Hex Nuts & Cold Forged Hex Nuts |
UTS – Unified Thread Standard | UNC, 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.
To preserve the high standards of our selection of industrial hex nuts, we have always adhered to a systematic quality management process.
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.
STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
Monel 400 | 2.4360 | N04400 | NW 4400 | NA 13 | МНЖМц 28-2,5-1,5 | NU-30M | NiCu30Fe |
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 |
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 % |
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
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