Vacuum Heat Treating and Ionitriding®
Sun Steel Treating provides innovative metal heat treating services backed by exceptional quality, expertise, and timeliness. Whether it’s hardening alloys, carbon steels, tool steels, or high speed specialty steels, our engineers apply the precise metallurgical processes which will yield an optimal material solution.
Dedicated to delivering responsive and sustainable commercial heat treating solutions, Sun Steel Treating continually strives to be the most environmentally responsible heat treating facility throughout Michigan and the greater Midwest.
Our Services
Ionitriding®
Ionitriding® is a unique method of surface hardening that produces a nitrided case using glow discharge technology. This innovative surface treatment can be applied to virtually any ferrous metal products. Sun Steel’s state-of-the-art production facility is capable of performing ion / plasma nitriding services for industrial tooling up to 30 tons.
IonWear®
IonWear® combines the benefits of Ionitriding® and steam treating. This process provides a high degree of wear and corrosion resistance, yielding a ceramic-in-nature structure on virtually any ferrous materials.
Vacuum Hardening
Vacuum processing hardens steel while preserving surface chemistry, preventing oxidation and/or decarburization. Our state-of-the-art vacuum hardening system is capable of reaching up to 12-bar quench pressure and features an 8000-pound capacity capable of accommodating large industrial tooling projects.
Normalizing
Normalizing is a relatively simple metallurgical process that Sun Steel Treating uses mainly to improve the homogenization of the grain structure in metal materials.
Steam Treating
Steam treating achieves significant material benefits for a wide range of metal parts. The process produces an oxide film on the surface of the part, thus enhancing its ability to retain lubricants.
Stress Relieving
Stress relieving reduces the residual stresses in the metal’s microstructure and thus prevents distortion when machining or certain heat treating operations are performed.
Polishing
Heat treatment polishing is designed to remove any remaining impurities from the metal and produce a mirror-like finish. This quality-enhancing process is typically used for metal items that are too difficult to polish by hand.
Annealing
Annealing is a metallurgical process that involves heating metal and maintaining it above its recrystallization temperature. Annealing services increase the ductility and workability of steel parts.
Straightening Services
Sun Steel Treating operates an atmospherically controlled straightening department which consists of 18 screw presses and 3 hydraulic presses with 24-, 75-, and 150-ton capacities. Methods of straightening include press, peen, flame, hammer, and vibro peening.
Industries Served
Aerospace
Automotive
Forging
Medical Instruments
Military Defense
Oil and Gas
Plastic Molding
Power Generation
Tool and Die
Innovative Heat Treating Solutions for the Die Cast Industry
Sun Steel is a leader in the development of heat treating services for ferrous die casted products and tooling. Applying the latest advances in metallurgical engineering to the industrial die casting process, our custom metal treatment solutions help pave the way for higher quality, more durable and dependable cast iron products.
We specialize in high pressure die cast (HPDC) dies which are used in high grade hotwork tool steel for their inserts. These inserts require unique heat treatment cycles as well as very specific heat treat furnaces. Sun Steel Treating has the expertise and equipment to handle any HPDC die insert up to 8,000lbs.
Quality Heat Treating and Surface Hardening Services Since 1958
Sun Steel Treating provides complete, quality-backed metallurgical services engineered to meet the diverse requirements of our customers. Founded in 1958 and based out of South Lyon, Michigan, our company remains one of the leading commercial heat treaters throughout the greater Midwest. Our staff of experts stand ready to tackle your most challenging material applications.