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

16 Nov

Thinking of Machining Graphite In House?

So you have a machine shop and you need a synthetic graphite component? If you’re thinking of machining graphite yourself, our advice would be to give Semco a shot at doing it for you. Machining graphite doesn’t necessarily require a graphite mill, or decades of experience working with synthetic graphite, but these things don’t hurt. We have built Semco on highly specialized knowledge about machining graphite, and we will share some of that knowledge with you here. If you still want to do the graphite machining yourself, you’ll be better equipped to do so. You may also become aware of...

04 Nov

Graphite Fabrication and Metal Casting Molds

Graphite Fabrication and Metal Casting Molds Graphite serves useful functions in various industries and in the production of other materials. We’ve written extensively here about carbon lubricant for industrial machining, and graphite molds used to make things as various as gold ingots and zinc-aluminum alloy components. Metal casting molds, of course, are quite often made of graphite. Some of the graphite fabrication that we do at Semco is machining metal casting molds or graphite molds to shape other materials. Graphite has the lucky and quite unique quality of not sticking easily to many other materials. That quality, along with its...

28 Oct

Carbon Graphite - Anode Material for Batteries

Carbon Graphite in Batteries In this blog, we’d like to explain the advantages of carbon graphite as a negative electrode material in batteries. But first, a quick review for those new to this blog: What is graphite? What is Graphite? Some elements can exist in different forms. These forms are called allotropes. Sulfur, for instance, has many allotropes, more than any other element. Graphite is an allotrope of carbon, and, in fact, is the most stable form of carbon. “Wait!” we hear you saying. “Aren’t diamonds a form of carbon, and how could you get more stable than a diamond?”...