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.

Learn More

Experience. Knowledge. Service.

REQUEST A CONSULTATION

Custom Carbon & Graphite Machining

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...

27 Jun

Metal Casting Molds at Semco Carbon

What are Metal Casting Molds?Metal casting is a 7,000-year-old process used in both manufacturing and fine art. Graphite production is now a key part of this very old process. During metal casting, molten metal is transferred from crucibles into metal molds to create positive metal cast objects. After a metal is poured into a mold, both are then cooled and the metal object is removed and finished.Move forward a few thousand years and the place of graphite production in metal casting molds becomes more apparent, especially in the process called continuous casting. Continuous casting is a casting method used in...