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Silicon Bronze Fasteners

Silicon Bronze Fasteners are more suited to extreme environments than standard Brass components as they offer better corrosion resistance to a wide range of substances. Silicon Bronze is a decorative, non-magnetic, and electrically conductive alloy – primarily composed of around 94-96% Copper and 0.5-6% Silicon. Most alloy compositions include small quantities of other elements such as Tin, Manganese, Iron and Zinc. These fasteners are typically supplied in:

Silicon Bronze 651:
Otherwise known as “Low Silicon Bronze B” or C65100, this alloy has a low Silicon content of 0.8-2%. Silicon Bronze 651 hosts moderate strength and high thermal conductivity, with a relatively high melting point of 1030°C. It also provides good corrosion resistance to freshwater and saltwater – an ideal choice for marine environments both above and below the surface.

Silicon Bronze 655:
“High Silicon Bronze A” or C65500 shares most of the characteristics provided by Silicon Bronze 651, with the major difference being its 2.8-3.8% Silicon content. This provides additional strength and corrosion resistance to a variety of acids, alkalis, and organic chemicals – great for chemical processing applications. However, this does reduce its conductivity and melting point to roughly 970°C.

Available now at Fastenright

We supply a variety of Silicon Bronze Fasteners here at Fastenright. You can find detailed product information, size charts, drawings, and technical specifications by clicking the links below. Our fasteners & fixings come in a range of sizes and grades as standard, available either from stock or to order – typically with short lead times.

Many of our existing products can be manufactured from Silicon Bronze on request. Non-standard sizes, grades and finishes are available to order as specials. Fastenright can also supply bespoke components manufactured to specification and drawings. Minimum order quantities apply.

Make an enquiry about Silicon Bronze Fasteners

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