Nickel Alloy 400

Nickel Alloy 400

As a leading supplier of high-performance nickel alloys, we present Nickel Alloy 400 (UNS N04400) – a versatile nickel-copper alloy renowned for its excellent corrosion resistance in a wide range of environments. Known interchangeably as MONEL® Alloy 400, this material is also specified globally under various standard designations, making it a universal choice for engineers. Whether you're searching for its European Werkstoff Nr. 2.4360 or Alloy 2.4360, British standards like NA 13, or Japanese JIS NW 4400, you are sourcing the same proven material. Its exceptional resistance to seawater, acids, and alkaline solutions makes it the go-to solution for critical components in marine engineering, chemical processing, and oil and gas applications.

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Seeking a corrosion-resistant nickel copper alloy for demanding applications? Nickel Alloy 400 (UNS N04400) is the industry benchmark. Commonly referred to by its trade name, MONEL® 400, this alloy is recognized worldwide under a common family of names, including Werkstoff Nr. 2.4360 in Europe and JIS NW 4400 in Japan, ensuring consistent performance and availability for your global projects. With superior resistance to seawater, steam, and a variety of acids and alkalis, Alloy 400 is the ideal material for marine shafts, chemical process vessels, heat exchangers, and valve components, offering unparalleled reliability.

MONEL® alloy 400 stands as a versatile corrosion-resistant champion, delivering reliable performance across a broad spectrum of environments. It demonstrates excellent stability in reducing media and outperforms higher-copper alloys in many oxidizing conditions. This balanced capability makes it a universally trusted material for diverse industries. While it boasts exceptionally low corrosion rates in flowing seawater, users should note that stagnant seawater may pose a risk of crevice and pitting corrosion. However, its proven immunity to stress-corrosion cracking and pitting in fresh and industrial waters further solidifies its value. Among its most distinguished attributes is its exceptional resistance to hydrofluoric acid across all concentrations up to the boiling point, ranking it as perhaps the most capable alloy for this severe service. It also maintains strong performance in various concentrations of sulfuric and hydrochloric acids under reducing conditions.

To support your project's success, MONEL® alloy 400 (UNS N04400) is produced in a full spectrum of product forms-from pipe, tube, and sheet to bar, wire, and forgings. Popular sizes are readily available from stock, ensuring quick delivery, while specialty items can be sourced through our network of converters.

This alloy meets the rigorous demands of global industries, holding approvals from key regulatory bodies. It is listed in NACE MR01-75 for sour service and is an ASME Boiler and Pressure Vessel Code approved material for construction up to 900°F. Our products comply with a wide array of international specifications, including:

ASTM/ASME: B127/SB127 (Plate/Sheet/Strip), B164/SB164 (Bar/Rod), B165/SB165 (Pipe/Tube), B564/SB564 (Forgings).

European Standards: DIN 17750, 17751, 17752.

Aerospace & Military: SAE AMS 4544, 4675, 4730; QQ-N-281.

Complete joining solutions are provided through MONEL Filler Metal 60 and Welding Electrode 190, ensuring fabricability matching the alloy's performance.

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