BRASS
Brass is mainly an alloy that consists of copper with zinc added. Brasses can have varying amounts of zinc or other elements added. These varying mixtures produce a wide range of properties and variation in color. Increased amounts of zinc provide the material with improved strength and ductility. Brass can range in color from red to yellow depending on the amount of zinc added to the alloy.
Brass is commonly used for decorative purposes primarily because of its resemblance to gold. It is also commonly used to make musical instruments due to its high workability and durability.
OTHER BRASS ALLOYS
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TIN BRASS
It is an alloy that contains copper, zinc, and tin. These alloys are typically used to make fasteners, marine hardware, screw machine parts, pump shafts and corrosion-resistant mechanical products.
COPPER
Copper is used in a range of products due to its excellent electrical and thermal conductivity, good strength, good formability and resistance to corrosion. From these metals due to their corrosion resistance, pipes and pipe fittings are commonly manufactured. Can be soldered and brazed and they can be polished and buffed to almost any desired texture and luster.
Copper was one of the earliest metals discovered. The Greeks and Romans made it into tools or adornments, and there are even historical details showing the application of copper to sterilize wounds and purify drinking water. Today it is most commonly found in electrical materials such as wiring because of its ability to effectively conduct electricity.
BRONZE
Bronze is an alloy that consists primarily of copper with the addition of other components. In most cases, the ingredients added are typically Tin, but Arsenic, Phosphorus, Aluminium, Manganese, and Silicone that can also be used to produce different properties in the material. These ingredients produce an alloy much harder than copper alone.
Bronze has a characteristic dull-gold color. You can also tell the difference between bronze and brass because bronze will have faint rings on its surface. Bronze is used in the construction of sculptures, musical instruments, and medals and in industrial applications such as bushings and bearings, where its low metal on metal friction is an advantage.
OTHER BRONZE ALLOYS
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PHOSPHOR BRONZE (OR TIN BRONZE)
An alloy typically has a tin content ranging from 0.5% to 1.0%, and a phosphorous range of 0.01% to 0.35%. These alloys are notable for their toughness, strength, low coefficient of friction, high fatigue resistance, and fine grain. Some typical end uses for this product would be electrical products, bellows, springs, washers, corrosion-resistant equipment.
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ALUMINIUM BRONZE
It has an Aluminium content ranging from 6% – 12%, an iron content of 6% (max) and a nickel content of 6% (max). These combined additives provide increased strength, with excellent resistance to corrosion and wear. Manufacturing of marine hardware, sleeve bearings, and pumps or valves materials are commonly used to handle corrosive fluids.
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SILICON BRONZE
Silicon Bronze is an alloy that can cover both brass and bronze (red silicon brasses and red silicon bronzes) – red brass has high strength and corrosion resistance and is commonly used for valve stems. Red bronze is very similar but it has lower concentrations of zinc and is usually used in the manufacturing of pump and valve components.
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NICKEL BRASS (OR NICKEL SILVER)
It is an alloy that contains copper, nickel, and zinc. Nickel gives the material that silver look and has moderate strength and fair-good corrosion resistance. Its typically used to make musical instruments, food and beverage equipment, optical equipment, and other items where the aesthetics are an important factor.
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COPPER NICKEL (OR CUPRONICKEL)
It can contain anywhere ranging from 2% to 30% nickel. This material has a very high corrosion-resistance and has thermal stability. This material also exhibits a very high tolerance to corrosion cracking under stress and oxidation in steam or moist air environment. Higher nickel content in this material will have improved corrosion resistance in seawater and resistance to marine biological fouling. For the making of electronic products, marine equipment, valves, pumps and ship hulls, they use this material.
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