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

12 Apr

Graphite Components in Weapons

On February 24 of this year, the Russian military began its unprovoked invasion of Ukraine. Suddenly, war was in the news every day here and around the world. As the Ukrainian people continue to stun the world with their armed and brave resistance to the invasion, we thought this would be an interesting time to explore synthetic graphite’s use in military equipment and weapons. There are, of course, numerous examples where synthetic graphite is used in all the downstream industries that produce components for military equipment, such as in foundries (graphite electrodes) that produce the necessary steel, or in facilities...

01 Apr

Lorain, Ohio: Graphite and Much More

Imagine you’re driving down the coast of Lake Erie and you see a giant sign: “Welcome to Lorain, Ohio. Home of the Graphite Company Semco!” Ok, so there’s no sign like that. While we at Semco like to think of ourselves as integral to the town, there’s a lot more to Lorain, Ohio than machining graphite applications. We invite you to read ahead and learn about this small gem of a city on the Great Lakes. Lorain is located in northeastern Ohio on Lake Erie, at the mouth of the Black River, about 30 miles west of Cleveland. Like a...

29 Mar

Turning Blocks of Graphite into Art

On rare but very fun occasions at Semco, we give our machinists (and our machines) a break from manufacturing graphite parts for industry and task them with turning blocks of graphite into art. The job of conceptualizing the pieces, of course, falls to artists -- our shop floor employees take these plans and machine graphite parts for these independent artists. On these occasions, artists provide us with shapes, profiles, and even solid models of their art work. Graphite is specified by these artists as the actual material for the finished artwork. While Semco prides itself on machining graphite parts used...