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Monel Fasteners
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Monel Fasteners

Monel Bolts, Screws, Nuts & Washers

Monel Fasteners are part of a family of Nickel-Copper based alloys – often selected for a range of specialist applications. With a silvery-grey appearance, these fasteners offer impressive strength, toughness, and a varying degree of corrosion and chemical resistance depending on the chemical composition.

One of the most common grades is Monel 400, or Alloy 400 – composed of 63% Nickel and at least 28% Copper, as well as small quantities of Iron, Magnese, Silicon and Carbon. This grade has a melting point of between 1300-1350°C and hosts good mechanical properties over a wide temperature range, even at sub-zero temperatures.

It provides excellent corrosion resistance to rapid flowing brackish water and seawater – perfect for use in some of the most demanding marine applications and environments. With high chemical resistance to hydrofluoric acids and good resistance to other acids e.g. hydrochloric and sulfuric, Monel Fasteners are widely adopted in chemical processing applications.

Available now at Fastenright

We offer a range of Monel Fasteners & Fixings here at Fastenright, available either from stock or to order – typically with short lead times. Our full range can be found below. Clicking on the links will provide detailed product information, size charts, drawings and technical specifications.

Many of our components can be manufactured from Monel on request, with non-standard sizes, grades and finishes available to order as specials. Bespoke parts to specification and drawings can also be supplied. Minimum order quantities apply.

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Monel Screws, Fasteners and Fixings

Monel alloys are nickel-based alloys that contain between 29% and 33% copper, and have been available since 1905.

In the early 1900’s it was used as roofing material, countertops, sinks and a number of other appliances but fell behind once the more versatile stainless steels were introduced in the 1950s.

There are a number of types of Monel, all of which contain up to 67% nickel – with some types containing iron, manganese, carbon or silicon. In some types, additions of aluminium and titanium increase strength.

There are a number of pros to using Monel fasteners, such as high corrosion resistance to acids and alkalis, a high mechanical strength, it’s ease of shaping and forming, as well as a relatively low cost alongside attractive appearance and finishes.

However, there are some disadvantages too. The machinability of Monel is poor because of a tendency to work-harden quickly. It is corrosion resistant under many circumstances.

Monel fasteners can be manufactured in several different grades – all of which we can provide:

Monel 400 hosts excellent corrosion resistance to a range of corrosive environments. It is often used in the seawater and chemical industries as a result.

Monel K500 provides additional strength and hardness due to the addition of aluminium and titanium. This alloy is also used within marine and chemical applications.

When Monel is in contact with metals like aluminium, zinc and iron and severe weather conditions, it will cause said metals to corrode.

If you require more information or would like to order screws or fixings in Monel, please contact us.

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