Hardness testing to ISO 6508-1
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Monel 400 Stud Bolts, also known as UNS N04400, are fasteners made from the Monel 400 alloy, which is a nickel-copper alloy known for its corrosion resistance and high strength. Stud bolts are threaded rods that are often used for bolting together flanges, valves, and other equipment in various industrial applications. Here are some considerations for Monel 400 Stud Bolts:
Corrosion Resistance: Monel 400 offers excellent corrosion resistance in a variety of environments, including seawater, acids, alkalis, and more. This makes it suitable for applications where corrosion resistance is critical, such as in marine and chemical processing industries.
Strength: Monel 400 provides good mechanical properties and high tensile strength, contributing to the overall strength of the stud bolts. This is important for applications where high-strength fastening is required.
Weldability: Monel 400 stud bolts can be welded using various methods. Proper welding procedures should be followed to ensure the integrity and corrosion resistance of the welds.
Machinability: Monel 400 can be machined, but it can work-harden during the process. Proper machining techniques and tools are necessary to achieve accurate dimensions without compromising the material's properties.
Heat Treatment: Monel 400 stud bolts 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 stud bolts are used in a variety of applications, including:
Specifications | ASTM F467 / ASME SF467 |
Size | M02 to M160 |
Length | 3 to 200 mm |
Dimensions | DIN 975/976, ASME B18.2.1, B18.31.3, B16.5 |
DIN Standard | B.S. DIN 931, DIN 933, DIN 912, DIN 934, DIN 6923, DIN 603, DIN 7981, DIN 970, DIN916, DIN 7982, DIN 7985, DIN 913 |
UTS | NPT, UNS, UNF, UNC, UNEF, NPTF |
ISO | ISO 4033, ISO 4032, ISO 7380, ISO 4017, JIS standards |
Threads | ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads |
Type | Cold Forged, Hot Forged, Bar Stock Machined, Bar Stock Milling |
Chemical Processing: Stud bolts are used in equipment like pumps, valves, and reactors where corrosion resistance is crucial.
Marine Applications: In shipbuilding and offshore structures where resistance to seawater corrosion is necessary.
Oil and Gas Industry: Stud bolts are used in oil refineries, gas processing plants, and offshore platforms.
Power Generation: Stud bolts may be used in power plants, particularly in components exposed to harsh environments.
Aerospace: In certain aerospace applications where corrosion resistance and strength are important.
When using Monel 400 stud bolts, it's essential to consider the specific requirements of your application and ensure that the material and fastener design meet those requirements. This includes considerations for factors such as thread size, length, and thread pitch. Working with experienced engineers and manufacturers is crucial to ensure that the chosen material and design are suitable for the intended use.
Additionally, proper installation practices, including torque specifications and tightening procedures, should be followed to ensure the reliability and integrity of the fastened joints.
Marine Industry: Inconel 600's resistance to seawater corrosion makes it valuable in marine applications.
To preserve the high standards of our selection of industrial stud bolts, 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 stud bolts.
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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