Over 50 Years Exceeding Customer Expectations

An ISO-9001: 2015 Company

Experts in the Industry

You are experts in your industry, and we are experts in ours. Together, we can create custom solutions to meet your goals, budget, and expectations.

Client Consultations

Our expert client consultations produce specialty pieces. No matter how unique the application, we go straight from sketch to three-dimensional solution.

Huge Inventory

Our huge inventory of raw materials, grades, shapes, and sizes allows us to respond quickly to customer demands, so that we can begin machining your product immediately.

Recycle With Us

Put some green in your pocket by going green with your obsolete carbon and graphite materials! Recycle with us, and you will reduce your liability and your ecological footprint.

Carbon and Graphite Machining and Recycling Facility - Semco Carbon

Custom Carbon & Graphite Machining

Fifty Years of Experience

Our custom carbon and graphite machining capabilities are engineered from the ground up with our client's budget, goals, and expectations in mind. No matter the tolerance, no matter the finish, no matter how specific your need, our years of experience coupled with the most advanced machining resources will keep your organization humming with minimal delay. We aren’t just experts in carbon and graphite machining—we’re also experts in client consultation and collaboration. We’re in the business of creating solutions, no matter how unique the problem.

Carbon & Graphite Material Recycling

We’ll purchase your obsolete carbon and graphite materials for reclamation or proper disposal. Less waste in the landfill, more green in your pocket — just the kind of win-win solution we’re in the business of creating.

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Experience. Knowledge. Service.

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Custom Carbon & Graphite Machining

21 Jul

Recycling Graphite Waste into Usable Graphite Material

Recycling Graphite Graphite is in high demand these days. Its electrochemical properties make it a coveted material in the booming renewable energy and battery sectors, for instance. Companies like Semco are ensuring that graphite waste is not wasted, but rather recycled into new graphite material. We have written about this topic before, notable in this article about graphite found in an Iowa cornfield that we helped a farmer recycle. We have in other blogs described the importance of graphite recycling and some of our recycling services. During the pandemic, when supply lines were strained and graphite from China was harder...

14 Jul

Graphite Use in Precious Metals Processing

Graphite and Precious Metals Graphite plays an essential role in the processing of precious metals, particularly in refining, alloying, and purification processes. Although creating graphite molds for gold ingots or jewelry production doesn’t make up the bulk of our business at Semco, we do think the components we machine for the precious metal industry are pretty cool and exciting. Let’s start by going over some ways graphite is used in the processing of precious metals. Graphite Molds and Graphite Crucibles Graphite molds and graphite crucibles are widely used in the melting and casting of precious metals. Graphite's high melting point...

28 Jun

Happy Retirement to Dave Myers, Semco Materials Manager

In the midst of a busy season of graphite machining, updating equipment, and beginning new initiatives, it is important to take a moment to bid a fond farewell to a valued employee, Dave Myers. After 13 years working for Semco Carbon as a Materials Manager, Dave Myers retired this past week. His contributions to Semco cannot be overstated. Dave will be especially remembered for how he brought stability and predictability to his department. Dave trained many employees, quite a few who are still with us. His management style empowered the personnel in the department to be better and to work...