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Brass 70/30

Brass 70/30 is an alloy of copper and zinc with a 70% copper and 30% zinc ratio. This ratio combines strength, flexibility, malleability, and corrosion resistance, making it popular for many industrial applications. It is often used for electrical components because it has good electrical conductivity, but it can also be found in other items, such as valves and fittings. Its composition allows it to form complex shapes with minimal machining or tooling required.


Brass 70/30, also known as architectural bronze, is an alloy made of copper and zinc in a ratio of 70:30. It has excellent machinability, ductility and corrosion resistance properties. These properties make it a go-to material for aerospace engineering, electronics manufacturing and construction due to its ability to withstand high temperatures and heavy loads. The superior electrical conductivity is another reason brass 70/30 can be used for electrical components such as contacts and connectors. Furthermore, when luxuriously polished, it is often chosen for ornamental applications like sculptures or decorative doors/windows.

Brass 70/30 Equivalent Grades

No Equivalent Grade Found