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 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...

02 Jun

Semco Carbon and Metal Fabrication Requests

Every machining shop has its choice material. At Semco, that material is carbon graphite. We know the ins and outs of this material and can talk all day about isostatic vs. extruded graphite, or about graphite’s conductive and heat-resistant properties. While we are experts at graphite machining, we generally do not machine metal. Nevertheless, Semco Carbon occasionally receives metal fabrication RRF’s, projects we are not equipped to produce in house. Conversely (if you are a metal machining shop), your facility might receive graphite or carbon RFQ’s, projects that you are not equipped to produce. We would like to start a...

28 May

Tariffs on Chinese Materials Under Fire

Among Semco’s graphite sources and graphite suppliers, China is one of the most, if not the most, important. Several countries, like India, the United States, Germany, France, and Japan produce graphite, but China is the world’s largest synthetic graphite supplier. For the past few years, graphite materials have fluctuated in cost because of the uncertainty in the market for synthetic graphite. This uncertainty was partly the result of the trade war with China begun by the previous administration. Near the end of 2018, we wrote the following about the trade war with China, the tariffs that were part of that...