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

05 Jul

Graphite Material Property-Coefficient of Thermal Expansion

At Semco Carbon, we are constantly thinking of new, relevant, and useful topics involving graphite materials and graphite applications to share with the readers of this blog. If something has to do with the manufacture of graphite products, we’ve probably got a lot to say, and a story to tell, about it. During a recent meeting, our application engineers were working on a specific issue that one of our customers was having. This customer had been experiencing premature component breakage in a new high temperature process they were testing. After thinking about the specifics of their application, we realized that...

28 Jun

Maintaining graphite production operations during the Covid pandemic

Over the last year, many cherished activities ceased, at least temporarily. Music concerts, gone; indoor dining, gone; dinner parties with family and friends, gone; but graphite manufacturing, at least at Semco, hardly hit a snag. As the world begins to re-open and we assess our lives in this unusual moment, Semco would like to take time to congratulate our employees at every level for their nearly flawless maintenance of graphite production over the course of the COVID pandemic. We feel blessed as a company that the products we make are so integral to various industries, and we feel proud that...

16 Jun

New photovoltaic technology using graphite materials

If you produce graphite materials or machine graphite components, or if you work in the graphite electrodes industry, there are huge opportunities on the horizon. The revolution in clean energy production and electric vehicles is real, and it is here. To produce some of the most important raw materials for the solar and battery industries, such as mono- and multi-crystalline silicon, high purity specialty graphite is essential. At Semco, we have the capacity and capabilities to produce high-purity crucibles and heaters, as well as various components produced out of carbon fiber. We also specialize in graphite fiberboard and felt products...