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

02 Aug

Graphite Density and Graphite Grade

Let's Talk Density of Graphite and Graphite GradesMaybe we’re just a bit dense at Semco, but when the conversation at a party turns from politics or sports to things like graphite density or graphite grades (this never actually happens, but humor us), we get very excited (or we would, if such a thing were ever to happen). There’s a reason for that. In the graphite business, graphite density is an all-important quality that we use to separate a wide variety of graphite materials. Understanding graphite density helps us to categorize most of the graphite grades available today into three broad...

27 Jul

New Hire Matt Millard - Senior Saw Operator

When Semco posts a job, we are often looking for very specific qualifications in possible new hires. Often, we are searching for someone with a background in graphite fabrication. Other times, we need a person who can communicate knowledgeably with graphite suppliers and shipping companies. Recently, we needed someone who was expert in operating large saws like the ones we use on our shop floor. If that sounds like a simple qualification, think again. If you hear the word “saw” and what comes to mind is a wooden handle attached to a one-foot blade, like the one you use to...

16 Jul

From Graphite Blocks to Graphite Component

We’ve covered many details in this blog about our machining of graphite components, including the different types of graphite that we use, design considerations, and some case studies about how we solved particular problems that our clients have run into. In this blog, we would like to provide a grand overview of the process that a block of graphite goes through in our facility to become finished graphite components ready to ship to our customers. More specifically, we want to tell you about the machines that do the cutting, shaping, and finishing of graphite blocks until they become the parts...