OEM Precision Investment Casting Supplier

OEM precision investment casting is a manufacturing process used to produce complex metal parts with strong dimensional accuracy, repeatability, and surface quality for original equipment manufacturers. It is well suited for components that need intricate geometry, reduced secondary machining, and consistent production quality. Marcus supports these programmes with certified quality systems, tooling coordination, machining, finishing, and assembly under one supply partner.

Marcus offers investment castings through its certified partner network in carbon steel, duplex steel, copper alloys, and super alloys. This material range supports applications requiring corrosion resistance, strength, heat performance, or specialized mechanical properties. Material selection is typically aligned to the part’s operating environment, load requirements, finishing needs, and downstream machining or assembly specifications.

Marcus supports investment cast parts up to 120 kg through its partner network. This capacity makes the process suitable for a wide range of OEM components, from smaller precision parts to larger industrial castings. Final feasibility depends on geometry, wall thickness, alloy choice, tolerance requirements, and any secondary operations such as machining, heat treatment, or surface finishing.

Yes. Marcus complements investment casting with in-house CNC machining using more than 20 machining centres, including 3, 4, and 5-axis equipment. This allows cast parts to be delivered with finished bores, threads, sealing faces, and critical mating surfaces. Tight tolerance machining helps OEM customers reduce supplier overlap and receive production-ready components from a single coordinated source.

Yes. Marcus offers in-house surface finishing and treatment options including plating, anodising, powder coating, blasting, polishing, chromation, and heat treatment. Parts are prepared through controlled cleaning and pre-treatment steps before finishing. Testing can include ASTM B117 salt spray, XRF coating thickness, and adhesion checks, with batch certificates provided to support traceability and quality documentation.

Marcus operates under IATF 16949:2016 and ISO 9001 certified quality systems. Depending on programme requirements, the company also applies structured manufacturing controls such as DFM review, APQP, PPAP, and FAIR. Inline inspection, advanced metrology, and documented validation processes help maintain consistency from tooling and trials through full-scale production and shipment.

Yes. Marcus supports new product development with DFM collaboration, simulation-led review, rapid prototyping, T0 and T1 trials, and production validation planning. Its dedicated Tool Room manages tool design, fabrication oversight, maintenance, and engineering changes. This early-stage support helps OEM teams improve manufacturability, reduce launch risk, and move more efficiently toward stable production.

Marcus supports OEM and Tier-1 customers across automotive, EV, aerospace, electronics, healthcare, energy, and industrial manufacturing sectors. These industries often require repeatable quality, documented process control, and the ability to combine casting with machining, finishing, and assembly. Marcus’s integrated model is designed to meet those needs while simplifying multi-process sourcing for global customers.