At Adinox Overseas, we take pride in offering premium quality Monel 400 Fasteners, which are widely recognized for their exceptional performance in harsh and corrosive environments. These fasteners are manufactured in accordance with ASTM B164 specifications and carry the universal designation UNS N04400, ensuring global standardization and consistent quality. Monel 400 is a solid-solution alloy primarily composed of nickel and copper, which provides outstanding resistance to seawater, acidic and alkaline environments, and stress corrosion cracking.

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Monel 400 Fasteners supplied by Adinox Overseas are extensively used in industries such as marine engineering, chemical processing, heat exchangers, oil refineries, and power generation plants. The exceptional toughness and strength of these fasteners, even at sub-zero temperatures, make them a preferred choice for critical applications. Whether you're looking for Monel 400 bolts, nuts, washers, screws, studs, or threaded rods, our inventory is designed to meet diverse industrial fastening needs.

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These Monel Alloy 400 Fasteners exhibit excellent mechanical properties such as high tensile strength, good weldability, and ductility. Their resistance to hydrochloric acid, hydrofluoric acid, and alkalis is unmatched compared to other conventional stainless steel grades. In seawater applications, they maintain their structural integrity and are unaffected by salt-induced corrosion, making them ideal for offshore and coastal projects.

The chemical composition of Monel 400, which typically contains about 63% nickel and 28-34% copper, gives it a unique combination of corrosion resistance and thermal conductivity. This makes our UNS N04400 Fasteners suitable for both oxidizing and reducing environments. Industries such as marine construction, hydrocarbon processing, and chemical plants rely heavily on the robustness of ASTM B164 Monel 400 Fasteners.

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Adinox Overseas ensures timely delivery of Monel 400 fasteners in various sizes and custom specifications, catering to both bulk and small quantity demands. Our experienced team of metallurgical engineers and technical staff are dedicated to assisting clients in selecting the right fastener type that best fits their operational requirements. The superior performance of Monel 400 combined with our manufacturing expertise makes Adinox Overseas the preferred choice for all your critical fastening needs. With international certifications, traceability, and reliable supply chain logistics, we serve global markets with efficiency and precision.

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Specifications Of Monel 400 Fasteners

Specifications	ASTM A479 / ASME SA479
Dimensions	DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3
Size	Bolt / Screw Size : M3 – M56 \| 3/6″ to 2″ \| Custom Sizes Nuts Size : M3 – M56 \| 3/6″ to 2″ \| Custom Sizes Washers Size : M3 – M56 \| 3/6″ to 2″ \| Custom Sizes Machine Screws Size : M1.6 – M12 Self Tapping Screw Size : No.2 – No. 14
Length	3 mm to 200 mm
Threads	UNF, BSW, BSF, METRIC, UNC, or as required
Surface Coating	Ptfe Coating Phosphate Coating Teflon Coating Zinc Coating Hot Dipped Galvanizing Coating Cadmium Coating Xylon Coating

Chemical Composition for Monel 400 Fasteners

Grade	C	Mn	Si	S	Cu	Fe	Ni	Cr
Monel 400	0.30 max	2.00 max	0.50 max	0.24max	28.0-34.0	2.50 max	63.00 min	–

Mechanical Properties Of Monel 400 Fasteners

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 %

Application Of Industries

Power Plants

Aerospace

Refineries

Construction

Oil & Gas

Sugar

Chemical

Petrochemical

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