Aluminum Castings Company LLC – QMS Certified to ISO 9001:2015 & PED 2014 with TUV Rheinland of North America

Aluminum Castings Company

Aluminum Castings Company manufactures aluminum castings for OEMs and industrial manufacturers requiring repeatable production, dimensional consistency, and process-controlled manufacturing support. Located in Galesburg, Illinois, we serve manufacturers nationwide with aluminum sand casting and value-added manufacturing capabilities.

Our operation supports projects ranging from prototype castings to long-term production manufacturing. With in-house molding, core making, aluminum melting, machining, inspection, and finishing operations, we help manufacturers maintain production efficiency while meeting demanding quality requirements.

We work directly with engineers, OEM buyers, and manufacturing teams requiring dependable aluminum castings for industrial applications where alloy integrity, dimensional verification, and repeatable production are critical.

Request a quote to discuss your aluminum casting requirements with our team.

What Are Aluminum Castings?

Aluminum castings are metal components produced by pouring molten aluminum into molds that form the required part geometry. Aluminum casting processes allow manufacturers to create complex shapes, internal passages, and durable industrial components used across many industries.

Aluminum castings are commonly selected for applications requiring:

  • Lightweight metal components
  • Corrosion resistance
  • Machinability
  • Structural durability
  • Thermal conductivity
  • Complex geometries

Compared to many other manufacturing methods, aluminum casting allows manufacturers to efficiently produce components with detailed shapes and repeatable dimensional consistency.

At Aluminum Castings Company, we specialize in aluminum sand castings designed for OEM manufacturing and industrial production applications.

Our casting capabilities include:

  • Aluminum metal casting
  • Sand casting
  • Green sand molding
  • Air set molding
  • No-bake molding
  • Shell core production
  • Cold box core making
  • Aluminum melting and alloy control

These manufacturing processes allow us to support both simple and highly cored aluminum castings across a wide range of production requirements.

What Are the Advantages of Aluminum Castings?

Aluminum castings are widely used because they provide manufacturing flexibility and performance advantages across many industrial applications.

Advantages of aluminum castings include:

  • Reduced component weight
  • Corrosion resistance
  • Machinability
  • Thermal conductivity
  • Complex shape capability
  • Repeatable manufacturing consistency

Aluminum castings are commonly used in applications where manufacturers require durable components while maintaining weight reduction and production efficiency.

The casting process also supports complex internal geometries and highly cored designs that may be difficult to achieve through other manufacturing methods.

Who Uses Aluminum Castings?

Aluminum castings are used across multiple industries requiring durable, lightweight, and dimensionally accurate components.

Our aluminum castings support manufacturers in industries including:

  • Agriculture
  • Heavy equipment
  • Mining
  • Marine manufacturing
  • Transportation
  • Power generation
  • Braking systems
  • Defense and military manufacturing
  • Ventilation and compressor systems

These industries often require aluminum components capable of maintaining mechanical performance and dimensional stability in demanding operating environments.

We regularly support projects involving:

  • Prototype castings
  • Production manufacturing
  • Large aluminum castings
  • Highly cored components
  • Machined castings
  • Tight tolerance requirements
  • Long-term production schedules

Our team works directly with customers to support project-specific manufacturing requirements and repeat production programs.

Why Choose Aluminum Castings Company?

Aluminum Castings Company has supplied aluminum castings since 1964. Located in Galesburg, Illinois, our operation supports manufacturers across Illinois, the Midwest, and the United States with process-focused aluminum casting production.

Our manufacturing operation combines experienced foundry production with modern quality verification and inspection systems.

Capabilities include:

  • DISA automated molding
  • Air set molding systems
  • Shell core production
  • Cold box core manufacturing
  • In-house alloy verification
  • CNC machining support
  • CMM inspection
  • X-ray and non-destructive testing
  • Metallurgical control

Our facility operates multiple gas-fired aluminum melting furnaces capable of supporting a wide range of casting sizes and production volumes.

We manufacture aluminum castings using alloys including:

  • 319
  • 355
  • 356
  • 535
  • Almag 35

Custom alloy support may also be available depending on project requirements.

Our in-house spectrometer allows us to verify alloy chemistry and provide material certifications when required. Maintaining alloy integrity and process consistency helps support repeatable manufacturing quality throughout production runs.

In addition to casting production, we provide value-added manufacturing services designed to simplify supply chain coordination and reduce secondary processing requirements.

These services include:

  • CNC machining
  • Drilling and tapping
  • Grinding and trimming
  • Surface finishing
  • Heat treatment coordination
  • Assembly support
  • Tooling and fixturing support

How Are Aluminum Castings Manufactured?

The aluminum casting process involves multiple controlled manufacturing stages designed to produce repeatable and dimensionally accurate components.

Pattern and Mold Preparation

Production begins with tooling and mold preparation used to create cavities matching the required casting geometry.

Depending on project requirements, molds may be produced using:

  • Green sand molding
  • Air set molding
  • No-bake molding processes

The molding process selected depends on casting complexity, production volume, dimensional requirements, and component size.

Core Manufacturing

For castings requiring internal passages or complex features, sand cores are manufactured in-house using shell core and cold box processes.

Internal core production helps improve manufacturing consistency and casting quality throughout production.

Aluminum Melting and Alloy Verification

Aluminum alloys are melted in controlled furnace systems and verified using spectrometer analysis before pouring operations begin.

Maintaining proper alloy chemistry and melt conditions is important for:

  • Mechanical performance
  • Casting integrity
  • Porosity reduction
  • Dimensional stability

Pouring and Solidification

Molten aluminum is poured into prepared molds where the casting solidifies into the required component shape.

Controlled pouring practices help support repeatable manufacturing quality and reduce casting defects.

Cleaning, Finishing, and CNC Machining

After solidification, castings move through cleaning and finishing operations which may include:

  • Grinding
  • Trimming
  • Surface finishing
  • Heat treatment
  • CNC machining

Machining capabilities include:

  • Drilling
  • Boring
  • Tapping
  • 3-axis machining
  • 4-axis machining
  • 5-axis machining

These secondary operations help prepare components for final assembly and application requirements.

Inspection and Quality Verification

Finished castings undergo inspection and dimensional verification based on customer specifications.

Inspection capabilities include:

  • CMM inspection
  • X-ray testing
  • Non-destructive testing
  • Alloy verification
  • Dimensional inspection

These quality control processes help ensure castings meet manufacturing and performance requirements before shipment.

Aluminum Castings Manufactured in Galesburg, Illinois

Aluminum Castings Company is located in Galesburg, Illinois and serves manufacturers nationwide. Our aluminum casting operation supports OEM customers throughout Illinois, the Midwest, and across the United States.

Manufacturers often partner with our team when they require:

  • Domestic aluminum casting production
  • Process-controlled manufacturing
  • Machined aluminum castings
  • Prototype and repeat production support
  • Reliable production schedules
  • Long-term manufacturing partnerships

Our Midwest location allows us to support industrial manufacturers across multiple industries while maintaining direct communication and production oversight throughout the manufacturing process.

Frequently Asked Questions

1. What are aluminum castings used for?

Aluminum castings are used in industrial equipment, transportation systems, machinery, power generation equipment, and OEM assemblies across many industries.

2. What are the advantages of aluminum castings?

Aluminum castings offer lightweight performance, corrosion resistance, machinability, thermal conductivity, and the ability to produce complex component geometries.

3. Can aluminum castings be machined after casting?

Yes. Aluminum castings are commonly CNC machined after production to achieve final tolerances and assembly requirements.

4. What aluminum alloys are commonly used for castings?

Common aluminum casting alloys include 319, 355, 356, 535, and Almag 35 depending on application and performance requirements.

5. Does Aluminum Castings Company support prototype castings?

Yes. We support both prototype casting development and repeat production manufacturing programs for OEM and industrial customers.

Image of Aluminum Castings Support

Request a Quote for Aluminum Castings

Aluminum Castings Company provides aluminum casting solutions for OEM manufacturers requiring aluminum sand casting production, machining support, and process-controlled manufacturing capabilities.

From prototype development to long-term production manufacturing, our team supports industrial customers with dependable aluminum castings designed for repeatable production and industrial performance.

Understanding environmental considerations is an important part of aluminum casting operations, particularly when managing industrial processes and wastewater. The aluminum forming effluent guidelines provide information on applicable environmental standards for these manufacturing activities.

Request a quote today to discuss your aluminum casting project with Aluminum Castings Company.

REQUEST A QUOTE NOW

Your engineered aluminum casting solution starts here.

Call: 309-343-8910 | Email: sales@aluminumcastingscorp.com