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

19 Jun

How Graphite is Revolutionizing Renewable Energy Storage

Graphite is Revolutionizing Renewable Energy StorageThe news about renewable energy can be dizzying. We are moving swiftly through a revolutionary shift from fossil fuels to renewables, says one article. Another asserts that we’re not moving quickly enough. The shift toward renewable energy is happening, and it is revolutionary, but it faces a basic challenge. We’re not sure about your corner of the world, but at Semco HQ in Lorain, Ohio, the sun doesn't always shine, and the wind doesn't always blow. Storing energy when it's abundant and releasing it from a power bank when needed has become the critical puzzle...

12 Jun

Guide to Selecting a Custom Graphite Manufacturer: What to Look For

Selecting a Custom Graphite Manufacturer Synthetic graphite offers high purity and consistent quality, making it ideal for applications like lithium-ion batteries, electric arc furnaces, and nuclear reactors. It has excellent thermal conductivity, chemical stability, and can withstand high temperatures without degrading, outperforming natural graphite in many industrial uses. If your company requires custom graphite components, choosing the right custom graphite manufacturer can make the difference between a successful project and costly delays or performance issues. While we at Semco may be a little biased about this topic, we have over 50 years of graphite machining experience to back up our...

28 May

Synthetic Graphite in Modern Military Applications

Two years ago, we explored in a blog synthetic graphite's role in military equipment, focusing on rocket nozzles and graphite bombs during the early phase of the Ukraine conflict. Today, we're revisiting this topic with fresh insights into how this versatile material continues to serve important functions across various branches of our armed forces, from the National Guards to the Air Force and beyond. The U.S. Military's Graphite Dependency The U.S. Air Force, perhaps more than any other military branch, relies on synthetic graphite components. From the thermal protection systems in hypersonic vehicles to components in aircraft engines, synthetic graphite's...