Premium Shapes, Proven Expertise.

Marmetal has proudly served the heat-exchanger market for over 60 years, delivering copper-nickel and brass tube solutions in alloys C44300, C70600, and C71500. We don’t just sell smooth tubes—we offer enhanced options such as double-wall, finned, and corrugated tubes to meet demanding needs. Serving marine, chemical, and water-treatment industries—and other large sectors relying on copper-nickel and brass tubing—we underscore reliability, quality, and technical expertise to optimize performance across diverse applications. Trust Marmetal for durable, innovative tube solutions.

At Marmetal, we maintain an extensive inventory of sheet products designed to meet diverse requirements with efficiency. With more than 60 years of experience, we are committed to delivering top-quality alloys and exceptional service as your trusted supplier. Our range includes copper-nickel alloys (C70600 90/10, C71500 70/30), copper alloys (C11000, C12200), brass alloys (C23000 Red Brass, C26000 Cartridge Brass, C28000 Muntz, C46400 Naval Brass), aluminum bronze (C61400), phosphor bronze (C51000), and nickel-based alloys (Monel 400, Monel K500). These materials are largely in stock and suitable for a wide array of industrial, structural, and engineering applications. For details on a specific alloy, please see below.

At Marmetal, we offer an extensive inventory of plate alloys, including C26000, C28000, C36500, C46400, C61400, C70600, C71500, Nickel Alloys, and more. Our materials are available in a variety of thickness, size, and temper to meet your specific needs. With over fifty years of experience, we are dedicated to providing exceptional service and reliable solutions tailored to your project. Our advanced processing capabilities allow us to produce custom sizes and shapes that adhere to industry standards, while our trusted sourcing partnerships ensure top-quality materials. Rely on Marmetal for your alloy requirements—where quality, expertise, and precision come together to support your success.

Marmetal’s C23000 Reb Brass Pipe, alongside C70600 and C71500 copper-nickel pipes, delivers a robust combination of corrosion resistance and strength tailored for demanding marine and chemical-processing environments. C23000 Reb Brass offers excellent machinability and good ductility with dependable corrosion resistance in seawater and brine solutions, making it a trusted choice for fittings and piping components. Copper-nickel C70600 and C71500 provide superior resistance to biofouling, high-velocity seawater, and erosive wear, while maintaining favorable mechanical properties and formability. Together, these alloys offer versatile, durable options for piping systems requiring reliability, longevity, and efficient heat transfer in challenging service conditions.

At Marmetal, we pride ourselves on offering a comprehensive range of high-quality copper and nickel forgings to meet diverse industry needs. Our stock includes various forms such as rings, discs, bars, and custom forgings, all manufactured to strict specifications and industry standards. Whether you’re looking for materials for electrical applications, corrosion-resistant components, or specialized industrial parts, our extensive inventory ensures quick availability and reliable performance. For further details about our copper and nickel forging options, please talk to our sales team.

Marmetal offers a diverse selection of high-quality flanges crafted from premium alloy materials. Our product range includes Copper Nickel alloys such as C70600 and C71500, renowned for their excellent corrosion resistance and durability in marine and industrial settings. We also supply C90300 Tin Bronze flanges, valued for their strength and wear resistance, as well as C92200 Leaded Tin Bronze, which provides superior machinability and corrosion resistance. For more information, please contact our sales team.

For six decades, Marmetal has stood as a trusted copper coil distributor, earning a reputation for reliability and technical know-how. We source, stock, and ship high-quality copper coils to meet diverse needs—from electronics and HVAC to industrial manufacturing. Our experienced team partners with customers to specify alloys, finishes, and tolerances, ensuring optimal performance and cost efficiency.

Marmetal is a leading supplier of high-quality cast products, offering an extensive selection of shapes, sizes, and alloys tailored to diverse industry needs. Utilizing various casting methods, we deliver precise and reliable solutions for complex projects. Our experienced team is committed to understanding your specific requirements and providing expert guidance to ensure optimal results. Common applications include bridge plates, wear plates, gear blanks, bushings, bearings, and guides—crucial components across multiple sectors. For detailed insights and best practices, we recommend downloading the Copper Development Association’s Copper Casting Guide, a comprehensive resource that enhances your understanding of casting processes and material selection. Contact us today to discuss your project needs.

Marmetal is your trusted partner for high-quality, DFARS-compliant metal materials. We stock a comprehensive selection of bar sizes in key alloys such as C46400, C63200, C67500, C70600, C71500, Monel 400, and a variety of bronze alloys available on demand. Whether you need round, square, rectangular, or hex bars, we provide precise cuts tailored to your specifications, backed by competitive pricing and top-tier service. In a crowded marketplace, choosing the right supplier is essential—our clients trust Marmetal because we go above and beyond, offering value-added services like custom cutting, machining, and water jetting that save time and reduce costs. Partner with us for dependable quality, expert solutions, and a commitment to helping your projects succeed.