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Cream Ridge, NJ

SIGMA OEM is a leading manufacturer of high-quality investment casting products and services. With over 30 years of experience in the industry, SIGMA OEM is renowned for its expertise in producing investment castings of exceptional quality, durability, and precision.

Investment casting is a process of making metal components by pouring molten metal into a wax pattern, which is then melted and removed to leave a metal part. This process allows for intricate designs and shapes to be created with a high degree of accuracy and repeatability, making it an ideal choice for high-performance and critical applications.

SIGMA OEM offers investment casting services across a wide range of industries, including aerospace, defense, automotive, medical, and many others. The company's investment casting products and services include a comprehensive range of ferrous and non-ferrous alloys, as well as a range of post-casting services such as machining, heat treating, and surface finishing.

At SIGMA OEM, quality is a top priority. The company employs a rigorous quality control system, including extensive testing and inspection, to ensure that every investment casting meets or exceeds the required specifications. SIGMA OEM's commitment to quality is further demonstrated by its certification to the AS9100D and ISO 9001:2015 standards.

The company's investment casting manufacturing capabilities are state-of-the-art, featuring the latest technology in wax injection, shell building, and metal pouring. SIGMA OEM's investment casting process is highly automated, with advanced robotics and computer-controlled systems ensuring consistent quality and repeatability.

In addition to its investment casting products and services, SIGMA OEM also offers value-added services such as engineering support, design assistance, and supply chain management. The company's experienced team of engineers and technicians works closely with customers to develop custom solutions tailored to their specific needs and requirements.

Overall, SIGMA OEM is a trusted and reliable partner for investment casting products and services, offering high-quality, precision-crafted components that meet the most demanding specifications. With its advanced technology, rigorous quality control, and commitment to customer satisfaction, SIGMA OEM is the ideal choice for companies looking for a reliable investment casting partner.

Investment Casting Power Pages

Investment Casting

Investment Casting

Investment casting is a metal working process that uses a ceramic shell built over a wax pattern to produce parts with extraordinarily uniform and smooth surfaces. The wax pattern is produced from an aluminum die.The final products of investment casting are without parting lines, mold half marks, or other deformities...

Lost Wax Casting

Lost Wax Casting

Lost wax casting is a casting process that uses a wax pattern to create a ceramic mold for creating a part or product design. It has been known over the years as lost wax or precision casting due to its accuracy in recreating parts with precise tolerances...

Types of Casting Processes

Types of casting processes

The casting process is an ancient art that goes back several thousand years to the beginning of written history. The archeological record has finds that document the use of the casting process over 6000 years ago around 3000 BC or BCE...

Sand Casting

Sand Casting

Sand casting is a manufacturing process in which liquid metal is poured into a sand mold, which contains a hollow cavity of the desired shape and then allowed to solidify. Casting is a manufacturing process in which...


Forged Part

Forging is a metal working process that manipulates, shapes, deforms, and compresses metal to achieve a desired form, configuration, or appearance outlined by a metal processing design or diagram. Depending on the type of metal and the...

Die Casting

Die Casting

Die casting is a high pressure metal casting process that forces molten metal into a mold. It produces dimensionally accurate precision metal parts with a high quality finish. Its ability to produce detailed parts makes it perfect for the mass production of products...

Castings & Forgings

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