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

25 Jul

Debriefing Graphite Company Business

When a job for a set of graphite plates, or any other graphite components, comes into our office, many parts of this graphite company are set in motion. At Semco, little is wasted (our scrap rate is at an all-time low), especially not time. So when the office receives a request for a job, our staff communicates the specs of the job to the machinists. Our warehouse delivers the graphite plates or blocks to the shop floor. The cuts are then made by our skilled machinists, the components are tested and inspected, and the delivery department gets the components out...

15 Jul

Giving Graphite Definition an International Meaning

Semco is proud to be an American company, headquartered in Lorain, Ohio. Like many successful American companies, we have both domestic and international clientele for the components we machine from various graphite grades. Our international clients are important to our business. So far (and we plan for this to continue), our clients across borders have given Semco a graphite grade of A. Our excellent sales team does its marketing of Semco to international clients primarily through travel to numerous trade shows. After making relationships at these shows and detailing Semco’s track record as a graphite machining shop, we contact these...

06 Jul

So What is Graphite Used For, Anyway?

Working at Semco most days means we are rarely around people who ask “what is graphite used for?” But during the summer holidays, our employees do get asked this question. It gets posed during a polite exchange at a fireworks show or at a campsite, when the talk among the recently acquainted adults turns to “so, where do you work?” When we tell folks at a neighborhood barbeque or at a public lake shore that we work at a graphite machining shop, the question “what is graphite used for?” is likely to be raised. We often wonder if people who...