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The Prototyping Blog

the prototyping blog

Why the Engineering Resource Center Sticks With Steel

Posted by Katie Evans on Jul 28, 2016

At the Engineering Resource Center, we are confident in our ability to build durable steel molds to fit your perfect parts. Our expert toolmakers are knowledgeable in creating molds that can last for years to come. Molds are typically constructed from steel or aluminum and the choice of material comes with much consideration. The ERC engineering experts choose steel over aluminum for a variety of reasons. 

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Steel is superior to aluminum due to its strength and durability. Steel molds can handle high heat and pressure, making them superior in terms of wear resistance and lifespan. Steel molds generally cost more to construct but their longer lifespan will offset the higher initial cost over a higher number of parts made before wearing out. At the ERC, we keep your steel mold for production of future parts. And we are confident your steel mold will maintain its durability and shape to create perfect parts any time you may need them.

Some injection molding companies prefer using aluminum for their molds for low-volume production. Aluminum is less expensive than steel and other metals. It is also lighter, making molds easier to transport and handle during the molding process. Parts made in aluminum can be heated and cooled more quickly, allowing fast turnaround rates for products. However, high flexilbility in aluminum molds means they have to be carefully constructed and cleaned after use to prolong their lifespan. If aluminum molds are not made and finished properly, gaps and errors can be accidentally introduced to the parts causing them not to fit with other parts. 

At the Engineering Resource Center, we feel that our steel molds are typically best suited for our customers. We are confident each steel mold we build will handle any size run of product without worry and will offer a longer lifespan that will offset the higher initial cost. We want you to feel confident in your prototype parts and know that you can come back for more perfect parts whenever you may need. 

Contact The Engineering Resource Center for more information or any questions you may have about our mold builds.