Steel casting foundry

steel casting

Steel casting is a specialized form of casting involving various types of steel. Steel castings are used when cast iron cannot provide sufficient strength or impact resistance.

Examples of products that are steel castings are wheels of hydroelectric turbines, forging presses, gears, frames of railway carts, valve housings, pump housings, mining equipment, marine equipment, turbochargers, engine cylinder blocks, etc.

Steel casting foundry is divided into two main groups: carbon steel and alloy steel.

Steel casting

steel casting foundry

Steel is more difficult to cast than cast iron. It has a higher melting point and a greater degree of shrinkage, which requires attention when designing the mold. We pay attention to the thickness of the mold cavities since thinner regions will cool faster than thicker regions, which can create points of internal stress that can lead to subsequent destruction.

Molten steel is also less liquid than molten iron, which makes it difficult to cast and fill complex gaps in the mold cavity. Molten steel is also more likely to react with the internal surfaces of the mold, which can lead to more unpredictable results.

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Steel Casting - Features

One of the advantages of cast steel is the flexibility of the design, the product engineer has the greatest freedom to choose the shape and design, especially for complex shapes and hollow parts.

Steel casting also has the advantage of the flexibility of the casting process, you can choose a different chemical composition and control it, adapting to the various requirements of various projects. It is possible to choose different heat treatment options in a wider context of mechanical properties and performance, as well as good weldability and machinability.

Steel castings can be used in various operating conditions, and their mechanical properties are superior to any other casting alloys. Steel castings can withstand high tensile stress or dynamic component loading.

Lost foam technology of steel casting will have a better quality of internal surface, but their price will be much higher than forged cast iron.

metal castings company

Custom steel casting

At the South Mechanic and Foundry Plant, LLC we produce steel castings from a wide range of carbon, low alloy and high alloy steel with special properties. We offer a wide range of different product sizes (from 1 to 2000 kg) to satisfy the specific needs of our customers and unique applications.

We strive to use modern smelting methods, as well as to conduct continuous tests of the chemical and physical properties of the metal to ensure that all steel castings at SMFP are of the highest quality and meet or exceed industry standards.

Customers of our steel casting foundry are top priority and use the services of our plant to obtain reliable service and expert, high-quality steel castings. We pride ourselves in serving a wide range of industries and companies, both domestically and internationally.

Our steel casting foundry produces high-quality certified steel castings and prototypes of complex shapes with tight tolerances for a wide range of steel alloys. Our experience in assisting in the design of parts, the choice of alloy, the proposed heat treatment, and many post-casting operations, such as metal machining, save our customers time and money.

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    Steel Casting Features

    Steel castings can be manufactured with a wide range of properties. The physical properties of cast steel vary significantly depending on the chemical composition and heat treatment. They are selected according to the performance requirements of the intended application.

    Hardness

    The ability of the material to withstand abrasion.

    The carbon content determines the maximum hardness of the resulting steel.

    Strength

    The amount of force required to deform the material.

    Higher carbon content and high hardness form steel with higher strength.

    Ductility

    The ability of a metal to deform under tensile stress.

    Lower carbon content and lower hardness form higher ductility steel.

    Impact resistance

    The ability to withstand impacts.

    Increased ductility is usually associated with better toughness. Impact strength can be adjusted with the addition of alloying metals and heat treatment.

    Wear resistance

    Resistance to abrasion and wear.

    Cast steel has the same wear resistance as forged steel of a similar composition. Adding alloying elements such as molybdenum and chromium can increase wear resistance.

    Corrosion Resistance

    Resistance to oxidation and rust.

    Cast steel has the same corrosion resistance as forged steel. High alloy steels with a high content of chromium and nickel have a high oxidation resistance.

    Machinability

    The ease of changing shape of steel casting.

    Material is removed by machining (cutting, grinding or drilling). Machinability is influenced by hardness, strength, thermal conductivity and thermal expansion.

    Weldability

    The ability of steel casting to weld without defects.

    Weldability primarily depends on the chemical composition of steel casting and heat treatment.

    Heat resistance

    High temperature resistance

    Steels that operate at temperatures above ambient temperature are subject to deterioration of mechanical properties and premature failure due to oxidation, hydrogen damage, scale formation and carbide instability.

    Frost resistance

    Resistance to low temperatures

    The toughness of cast steel is greatly reduced at low temperatures. Alloying and special heat treatments can improve the casting's ability to withstand loads and impacts.

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