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The different types of investment casting materials available on the market

Casting Parts Manufacturer can cast a wide range of products and prototypes using investment casting, but you must choose the right material for your application in order to achieve the best results. With the right material, you can achieve the desired functionality, save on material costs, eliminate casting defects, and limit the need for secondary processes after casting.

The material you choose determines which properties you can successfully incorporate into your part, such as smooth surfaces, dimensional precision, lighter weight, and thin walls.

Materials used in investment casting

During the material selection process for investment casing, a variety of alloys are available. These include:

1. Low Alloy Steel

Due to their affordability and beneficial mechanical properties, low alloy steels are among the most commonly used steels in the mechanical world. By utilizing heat-treating processes, parts can be engineered to have different properties in different parts of the same piece. Using heat treatments, one surface can be made tough and impact-resistant, while another becomes wear-resistant, for example.

2. Stainless Steel

As a result of its superior durability, stainless steel has become a popular choice for investment casting among designers and engineers. In addition to automotive gearboxes, stainless steel is used in various gears, camp components, and golf club heads, among other applications.

3. Carbon Steel

The carbon steel is a common low-cost material that is classified according to the amount of carbon it contains. Its ferromagnetic properties make it useful for motors and electrical appliances. Heat treatment can enhance the strength, ductility, and performance of carbon steel in industrial applications. As a result, carbon steel is one of the world’s most commonly used alloys because it is safe, durable, and structurally sound.

4. Aluminum Alloy

The aerospace, avionics, electronics, and military industries are the most frequent users of aluminum alloys in investment casting.

Due to the material’s improved strength and the availability of quality castings made from aluminum-silicon-magnesium alloys, castings are now available for demanding applications like airframe components.

5. Copper Alloy

Its corrosion-resistant properties and low wear rates make it a popular choice for propellers for ships and pumps, electrical components, and plumbing parts. The material has more than 400 different properties, making it a versatile material.

It is possible to investment cast many types of parts from copper-based alloys, including bronze and brass. The strongest copper alloy is beryllium-copper, which is similar to high-strength alloy steels but has higher corrosion resistance.

6. Super Alloy

Among the industries that use super alloys based on nickel and cobalt are aerospace, energy, medicine, chemicals, and marine. Compared with nickel-based alloys, cobalt-based alloys have better corrosion, oxidation, and wear resistance than nickel-based alloys. Due to their high rigidity and superior service characteristics, super alloys are increasingly replacing sheet metal.

7. Cast Iron

Known for their high accuracy and affordable prices, iron castings are often made of gray iron and ductile iron. Although ductile iron is strong, heat-resistant, and tough, its production process is more complex than other steels, resulting in a higher production cost.

What is metal fabrication 

To create a final product, metal casting forging machining service involves cutting, burning, welding, machining, forming, and assembling raw metal materials.

The fabrication of metal includes everything from hand rails to heavy machinery and equipment. Forging and stamping is among the specific subsectors of cutlery and hand tools, architectural and structural metals, hardware, springs and wires, screws, nuts, and bolts.

One of the main benefits of metal fabrication shops is that they centralize the many processes that are often required to be carried out simultaneously by a variety of vendors in parallel. It is easier for contractors to complete complicated projects without having to work with multiple vendors when they have a one-stop metal fabrication shop.

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