Permanent Mold Casting Services
Permanent mold casting is a highly repeatable manufacturing process that utilizes gravity-fed molten metal and reusable steel or iron molds to produce custom metal components with exceptional surface finishes and tight dimensional tolerances. Founded in 1980, The Federal Group USA provides end-to-end casting solutions that seamlessly scale your prototypes into mass production.
Request a QuoteDiverse Materials
At The Federal Group, we specialize in aluminum, copper, iron, magnesium, and zinc materials.
Secondary Services
We provide CNC machining, drilling and tapping, heat treatment, surface finishing, and assembly to deliver production-ready parts.
Advanced Technology
We leverage automated pouring systems, robotics, and advanced simulation tools to enhance precision, efficiency, and scalability.
Proven Expertise
The Federal Group has been manufacturing complex, custom castings since 1980.
Diverse Sectors We Serve
At The Federal Group, we support a wide range of applications with high-quality permanent mold castings tailored to your specific requirements. By focusing on strength, consistency, and precision, we deliver solutions that enhance performance and reliability across demanding industries.
Agriculture
At The Federal Group, we support agricultural equipment manufacturers with durable castings built for demanding environments:
- Gear housings
- Irrigation components
- Hydraulic manifolds
- Hitch and linkage components
Industrial Equipment
We provide precision castings that support performance and reliability across a wide range of industrial applications:
- Machine bases
- Compressor housings
- Motor end bells
- Equipment frames
Oil & Gas
The Federal Group delivers high-performance castings designed for harsh, high-pressure environments:
- Valve bodies
- Pump housings
- Flow control components
- Connectors and fittings
Advanced Technology for Consistent, High-Quality Castings
At The Federal Group, we leverage advanced permanent mold casting technology to improve quality, reduce variability, and increase production efficiency:
- Automated Pouring Systems: Ensure consistent fill rates for improved part quality and reduced defects.
- Tilt Pour Casting: Minimizes turbulence to reduce porosity and improve structural integrity.
- Robotics & Automation: Increase repeatability, reduce cycle times, and ensure consistent production.
- Thermal Control Systems: Maintain optimal mold temperatures for better surface finish and dimensional accuracy.
- Process Simulation Software: Identifies potential issues before production, reducing risk and accelerating timelines.
Materials We Support
At The Federal Group, we specialize in permanent mold casting across a range of high-performance materials including:
- A356 aluminum alloys: This material delivers excellent casting characteristics and high strength when heat-treated, making it ideal for critical structural components.
- 319 aluminum alloys: This alloy provides excellent castability and corrosion resistance for general-purpose industrial equipment housings.
- Copper and brass: These metals provide superior electrical conductivity and corrosion resistance for specialized energy applications.
- Magnesium alloys: This material offers an exceptional strength-to-weight ratio for components requiring weight reduction without sacrificing durability.
- Zinc alloys: Zinc provides excellent dimensional accuracy, smooth surface finishes, and cost-effective production for complex industrial and consumer components.
End-to-End Finishing Capabilities
At The Federal Group, we provide a full range of secondary operations to deliver fully finished, production-ready components:
- Trimming & Cleaning: Removing flash, gates, and excess material for a clean, accurate part.
- CNC Machining: Drilling, tapping, milling, and boring to achieve tight tolerances and critical features.
- Heat Treatment: Enhancing strength, durability, and overall material performance.
- Surface Finishing: Improving appearance and protection through polishing, painting, powder coating, anodizing, or plating.
- Assembly: Delivering complete, ready-to-use components.
Start A Permanent Mold Casting Project Today
Let’s review your part, identify the right process, and deliver a solution that meets your performance, timeline, and cost goals.
Request a quote today to get started.
Frequently Asked Questions
What Is the Main Disadvantage of Permanent Mold Casting?
The primary disadvantage is the high initial tooling cost required to machine the reusable steel molds.
This upfront capital expenditure means the process is generally not cost-effective for very small prototype runs. It becomes highly economical at mass production scale, where the tooling cost is amortized across thousands of parts to drive down the per-part cost.
Is Permanent Mold Casting Better Than Sand Casting?
Permanent mold casting is typically better for achieving a smoother surface finish, lower porosity, and tighter tolerances. Sand casting remains superior for lower production volumes and extremely large component sizes.
How to Make Permanent Mold Casting?
The process follows a highly repeatable sequential workflow designed to maintain thermal consistency.
- Preheating and coating: Operators preheat the reusable mold and apply a specialized refractory coating.
- Mold halves assembly: The mold halves are clamped tightly together to form the mold cavity.
- Gravity metal pouring: Operators gravity pour the molten metal directly into the mold.
- Controlled rate solidification: The metal cools and solidifies at a controlled rate.
- Finished part ejection: The mold opens to safely eject the finished casting.
Is Permanent Mold Casting the Same as Die Casting?
No, they’re distinct processes with different mechanical applications.
Both methods utilize reusable metal molds, but permanent mold casting relies primarily on gravity or low pressure to fill the cavity. Die casting injects molten metal under extreme high pressure, so it allows for much thinner wall thicknesses but requires higher tooling costs and heavier machinery.
Can I Use Vaseline as a Release Agent?
No, you can’t use vaseline for this process.
Vaseline and similar commercial lubricants burn off instantly when exposed to molten metal temperatures. Industrial casting requires specialized refractory mold washes or ceramic coatings to facilitate proper part release, manage thermal transfer, and protect the steel mold from thermal shock.
Client Testimonials
Trustindex verifies that the original source of the review is Google.
Jonathon Lanham2025-09-26Mike Allen and The Federal Group have been an absolute pleasure to work with. From the first day we reached out to them they responded punctually and professionally and helped us with every step of the process. We came to them with a budget conscious challenge and they delivered above and beyond a fitting and accurate solution. A quality finished part that has improved the overall quality of our product, and that's what really counts. Thank you to The Federal Group!Trustindex verifies that the original source of the review is Google.Sean Brockhouse2025-04-20Sandor Holzer has gone above and beyond helping us to get another part ramped up for production, creative getting samples ahead of schedule so we could meet tight timelines. Outstanding customer service!!Trustindex verifies that the original source of the review is Google.Melissa Quiroz2024-08-09Good company, knowledgeable staff, product was exactly what i asked for. Got me out of a jam!Trustindex verifies that the original source of the review is Google.Alex Armstrong2023-12-15Steve was great to work with and was always available when needed.Trustindex verifies that the original source of the review is Google.Jon Ramsey2023-10-07Mike at TFG was tenative to our supply needs and an immense help! Took on a project that was quite large and daunting, only to be resilient through the task challenges. In conclusion, everything was completed successfully and a huge success. Would recommend and I plan to use them for future projects. Thanks again Mike and TFG team.Trustindex verifies that the original source of the review is Google.Nic Robinson2023-10-05Steve Bogdanovich has been critical to our team meeting deadlines with a quality product. The communication and customer service is top notch. We know we can rely on Steve and The Federal Group team to get us a quality product and in a timely manner. We've sent all of our casted parts through them because we know we will get the best service, and they keep us informed through every step in the process.Trustindex verifies that the original source of the review is Google.Sean Connelly2023-06-21The Federal Group was great to work with. Steve was very professional and diligent in providing good advice/feedback as well as following up with me. Look forward to working with them in the future as well!Trustindex verifies that the original source of the review is Google.Sher Stahl2020-07-10The Federal Group is a top-notch supplier of ours. They take quality very seriously and strive to ensure we have exactly what we want and when we need it. Communication is excellent. Service is excellent. I have worked with this supplier directly for better than 7 years now, and still considered one of my best suppliers. We've recently expanded our product line with this company and are excited to partner on this line and on future projects. Words cannot express how grateful I am to have such a responsive company, and rep, Richard, to work with. I highly recommend this supplier.Trustindex verifies that the original source of the review is Google.Marshall2020-06-30Excellent customer service and products!
