Overview Of Aluminum Bronze Casting Part

The aluminum bronze casting part is a copper-based alloy with aluminum as the main alloying element, an aluminum bronze containing iron and manganese elements, and a high-strength heat-resistant bronze.

The aluminum content generally does not exceed 11.5%, and sometimes appropriate amounts of iron, nickel, manganese, and other elements are added to further improve performance. The aluminum bronze casting part can be heat-treated and strengthened, and its strength is higher than that of tin bronze, and its resistance to high-temperature oxidation is also better.

It has high strength and good wear resistance. It is used for high-strength screws, nuts, copper sleeves, sealing rings, etc., and wear-resistant parts, and its most outstanding feature is its good wear resistance.

Aluminum bronze casting parts contain iron and manganese elements, with high strength and wear resistance, quenched and tempered to improve hardness, good high-temperature corrosion resistance and oxidation resistance in the atmosphere, freshwater, and seawater corrosion resistance is very good, machinability can be welded not easy to braze, good pressure processing in the hot state.

Main Properties Of Aluminum Bronze Casting Part 

The aluminum bronze casting part has many excellent properties. The aluminum bronze casting part has high strength, hardness, and wear resistance, and is often used to make gear blanks, threads, and other parts. Aluminum bronze has good corrosion resistance, so it can be used to make corrosion-resistant parts, such as propellers, valves, etc. Aluminum bronze does not produce sparks under the impact, so it can be used to make non-sparking tool materials. With excellent thermal conductivity and stable stiffness, as a mold material in the stretching, calendering stainless steel plate heat exchanger will not produce sticky mold, scratch the workpiece and other advantages, has become a new type of mold material. Aluminum bronze has a shape memory effect and has been developed as a shape memory alloy. Aluminum bronze alloy is relatively inexpensive, becoming part of the replacement of some expensive metal materials, such as alternative tin bronze, stainless steel, nickel-based alloys, etc. It is because of the excellent properties that the aluminum bronze casting part has, that it is becoming more and more popular and plays an important role in the civilian and military industries.

Welding Points Of Aluminum Bronze Casting Part

The main difficulty in welding aluminum bronze casting part is the oxidation of aluminum, which generates a dense and refractory Al2O3 film covering the surface of the molten drops and molten pool. It is easy to produce defects such as slag, porosity, and unfused weld. Removal of aluminum oxides and prevention of aluminum oxidation becomes the key to success or failure in welding aluminum bronze casting parts. In addition w (Al) 7% of the single-phase aluminum bronze casting part has thermal embrittlement, in the heat-affected zone prone to cracking, and more difficult to weld. w (A1) ≥ 7% of the single-phase alloy and dual-phase alloy, take some anti-cracking measures is possible to weld.