Copper Casting

Since 1915 Electric Materials has specialized in the casting, fabricating, and machining of copper alloys for a wide variety of industries. Some of the castings we provide are:

Sand CastingsCentrifugal CastingsPermanent Mold Castings

As a copper casting foundry, Electric Materials manufactures fabricated components that encompass a vast array of products for both electrical and mechanical applications that are cast using sand casting, centrifugal casting, and permanent mold casting. With decades of experience, you can count on our component manufacturing process, metal working capabilities, and production methods to be held to the highest standards.

Copper Alloy Casting Capabilities & Products

Electric Materials turnkey manufacturing and product development capabilities are key to achieving the most cost-effective products to meet customer requirements. No matter what the volume is, our staff at Electric Materials are committed to your success by supplying high-quality copper castings, sand castings, centrifugal casting, permanent mold castings including the following:

  • Custom copper alloys
  • Castings weighing a few ounces up to 600 lbs
  • Minimum cast size: Governed by 1/8” minimum thickness in any area
  • Centrifugally Cast Rings up to 44” diameter, max 1000 lbs
  • Small billets cast with custom alloys for extruded products

Some of the common copper casting products Electric Materials cast

Assorted Cast Products

Raw Cast Copper Transformer Bushings

centrifugally cast rings

Machining Centrifugally Cast Copper Rings


Quality Systems

All castings are inspected regularly throughout the manufacturing process. Pre-pour chemistries are evaluated to ensure proper alloy composition and compliance with customer specifications, making Electric Materials a trusted copper casting foundry for your specific casting needs. EM is compliant with the following quality regulations and standards needed for all copper, sand, permanent mold, and centrifugal castings:

  • ISO 9001:2015
  • MIL I 45208
  • U.S. NRC 10 CFR 21 and 10 CFR 50,B

Other In-House resources that support the manufacturing of copper, permanent mold, centrifugal, and sand castings include:

  • Fully equipped lab for chemical and mechanical analysis
  • Certified ingot
  • Metallurgist
  • Heat treat facilities
  • Sand test lab
  • Fully equipped machine shop
  • Optical emission spectrometer
  • Pressure testing
  • Liquid penetrant testing
  • Mechanical fracture testing
  • Silver and tin electroplating
Call Electric Materials Today For All Your Copper Casting Needs