UNS C64200 Silicon-Aluminium Bronze Chemical Properties, Grade, Chart and Document

UNS C64200 is the common type of Aluminium Silicon Bronze Alloy that has successfully achieved optimum corrosion resistance in sea-water and acidic solutions. The alloy compound of these significant elements it is known to have general properties that it can be used as a replacement for the manufacturer’s parts such as propellers, pump parts, and valves. It gets the mark of replacing a conventional improved bronze alloy with a Grade B, which indicates that it will be more robust than that of any currently used brass in the industry. Usually, the chemical properties table containing the amount of copper (Cu) which can be 79-83% and 3.0-4.9% is the amount of silicon (Si), 8.5-11.0% is the amount of aluminum (Al) and 2.0-3.5% is the amount of iron (Fe). In addition, the maximum amount of manganese (Mn) is 2.0%. Manufacturers offer all technical data and mechanical and corrosion resistance reports, therefore, confirming the suitability for industrial and marine applications meeting the most demanding environmental conditions and operating in extreme conditions.

UNS C64200 Silicon-Aluminium Bronze Chemical Composition And Grade Table

UNS C64200 is a high-reputed metal with corrosion rate and low corrosion rate, therefore having great reliability and durability. Its chemical composition which is normally made of 83% to 85% copper, 2.8% to 3.8% aluminum, 5% to 6.5% silicon, 3.0% iron and 0.05% max lead, it has trace amounts of other elements. This composition is what has seen it widely bear within the marine communities for the fact that it withstands what saltwater corrode as well as erode. It is often used in marine equipment, valves, pumps, and other components that have to withstand hydraulic pressure or are prone to corrosion. The special properties give it the ability to be used in the hardest of the engineering projects.

UNS C64200 Silicon-Aluminium Bronze Composition Table
Elements Cu Al
Min (%) - -
Max (%) 91.2 7

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