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

24 Feb

Graphite Availability and Production in 2021

With 2019 and a particularly challenging 2020 in the rearview mirror, Semco Carbon is hoping for good things in 2021. The last couple years have presented multiple challenges regarding graphite, from material acquisition to production. Raw materials have been a particular challenge. Given the 2018 closure of multiple Chinese manufacturers per new green initiatives, many major graphite manufacturers found themselves without enough stock. Then, in 2019, everyone jumped into production and it became a year of oversupply. 2020 was a completely different story. Given the economic slowdown caused by the pandemic, lots of graphite manufacturers decided to shut down production...

15 Feb

Storage of Graphite

If you’ve been reading this blog for a while, you may remember a story we related about a farmer in Iowa who discovered giant graphite blocks (they were actually electrodes in the shape of logs) in his corn field. He called us and we went to Iowa and recycled the electrodes. They were in good shape! And that’s one of the miracles of graphite -- it’s basically impervious to weather and does not deteriorate if left outdoors. Despite this famous quality of graphite, Semco Carbon stores most of its stock of graphite blocks indoors on floorspace and racking. Why? you...

04 Feb

Graphite Parts Shipping

We have all learned many things over the past year. We’ve learned how to meet over Zoom. Many of us learned about sourdough baking. We also learned a lot about the Postal Service and other mail carriers. The political battles over USPS and mail-in voting highlighted the importance of a service that is often taken for granted. At Semco, we do not take shipping for granted. We make a pledge to our customers not only to expertly manufacture custom graphite components, but to get those graphite parts to the customer in perfect condition as quickly as possible. Getting shipping right...