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

27 May

Networking and Graphite Production

Networking has always been an integral and important tool for Semco, as for any graphite company. Our network doesn’t just facilitate people-to-people communication, but also people-to-machine. As CNC machining has taken on a bigger role in graphite production at Semco, so has our network, which allows our machinists and engineers to program runs and complex jobs. In early 2020, we thought Semco was a highly networked workplace. Then came March 2020. With COVID restrictions, networking has taken on an even bigger role in our graphite company. Departments that understood in-person work as the bread and butter of what they do...

18 May

Graphite Machining into 2nd Shift

It’s no secret: Semco is growing. Our graphite production business has seen a strong uptick over the last year as demand for graphite machining continues to grow. We maximized production at our Lorain facility in every conceivable way to meet demand, including investing in new state-of-the-art machines, upgrading network capacity and remote conferencing for efficiency, and of course investing in our excellent workforce, the people that make Semco a leader in graphite machining. Our business really took off last year with a big push by our sales department. These initiatives have, so far in 2022, rewarded us with increased sales....

02 May

Oxygen and Synthetic Graphite: A Corrosive Relationship

Synthetic graphite has been a boon for industry and is the preferred material for a majority of graphite components. It can be produced with many specifications in mind and is thus customizable for use in very extreme conditions. While heat and pressure are often no match for this wonder material, synthetic graphite does have a kryptonite or sorts: oxygen. To be fair, lots of materials don’t particularly like too much oxygen, and synthetic graphite and oxygen don’t always dislike each other. But as we shall see, when things heat up, oxygen can wreak havoc upon synthetic graphite components. Synthetic graphite...