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Copper-Infiltrated Iron And Steel Metal Parts

Our Copper-Infiltrated Iron and Steel parts are designed to broaden your engineering capabilities, offering a range of advantages. Learn more about  the specific  features that make our PM (Powder Metallurgy) copper-infiltrated parts an ideal choice for a variety of applications. 

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What is Copper-Infiltrated Iron and Steel?

Copper-Infiltrated Iron and Steel components are manufactured with admixtures of iron and/or iron copper powders with graphite (carbon) powder in which the porosity or pores are filled through infiltration of a copper-based material. In this process, the iron or iron copper powder (with or without graphite) are first compacted into the desired shape. In the sintering process, the surface-connected pores are then  infiltrated with a copper-based material. Infiltration is the process of filling the pores with a molten metal or alloy of a lower melting point through capillary action. The result is a steel-copper structure unique to the powder metal process.


*Material information provided by the MPIF (Metal Powder Industries Federation), Standard 35, 2020 edition

For more information about material standard or testing methods, please visit

Key Advantages of Copper-Infiltrated Iron and Steel

Improved Plating Surface: Our Copper-Infiltrated Iron and Steel components feature a unique composition that results in an enhanced plating surface. The combination of iron and copper ensures a smooth and uniform surface for applications requiring electroplating finishes.

Appropriate for Medium Pressure Hydraulics: The inherent strength of iron, coupled with the copper infiltration to seal off the pores, makes these parts well-suited for use in medium-pressure hydraulic systems. Expect reliability and longevity in applications where  pressure tightness  is a consideration.

Enhanced Machinability: The carefully engineered composition of Copper-Infiltrated Iron and Steel translates into improved machinability. This feature allows for precise machining as  interrupted cuts (due to porosity) are reduced, thereby, contributing to the efficiency of machining processes and reducing production time.

Assemblies: The assembly of multiple PM parts into one unit can be achieved by compacting the parts separately, then bonding them into one unit through the infiltration process. Bonding processes such as brazing, induction or flame processes or carburizing or carbonitriding are options dependent on the requirements of the part and application.


The versatility of our Copper-Infiltrated Iron and Steel makes it suitable for a wide range of applications, including:

  • Electrical Applications: The electrical conductivity of copper improves the performance of copper-infiltrated iron and steel components, making these parts suitable for various electrical applications.
  • Automotive Manufacturing: The enhanced strength, wear resistance and thermal conductivity of copper infiltrated components are viable options for automotive parts such  as gears, clutch plates and brake components.
  • Fluid-handling systems: The wear and corrosion resistance of copper-infiltrated components are good solutions for fluid-handling systems such as valves and pumps.
  • Precision Machining: The reduction in the interrupted cuts due to the sealed porosity offer enhanced machinability, allowing for intricate designs and precision detailing.

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Explore our offerings today and witness the difference in quality and precision that only Atlas Pressed Metals can provide. Your project deserves the best, and we are here to deliver it.

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contact information

Mailing Address 125 Tom Mix Dr.
P.O. Box P
DuBois, PA 15801


Fax(814) 371-4182


“We have been a long-term customer of Atlas Pressed Metals. They are a highly skilled supplier for our PM needs. They have great service and technical expertise as well as good quality and delivery. They have met all our expectations and we consider them to be the premier PM Supplier in technology and knowledge.  Atlas offers a PM101 seminar which is very helpful to our design engineering team and, when we visit Atlas, they treat us like family.”

- Nick S., Global Supplier Development | Industrial Industry