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

07 May

Synthetic Graphite in Electric Vehicles

Think back ten years. Do you remember seeing electric vehicles on the road? Hybrids, perhaps, and yes, those featured advanced battery technology. But lithium-ion batteries were not powering many cars. Now, think of your commute today. Chances are, you saw several electric vehicles on your way to work. They have become so common, you probably don’t even notice them. The electric vehicle revolution continues to accelerate, with automakers worldwide transitioning their fleets from internal combustion engines to battery-powered alternatives. Behind this transformation lies a critical material that doesn't often make headlines but plays a significant role in the EV batteries...

17 Sep

Semco Invests in Another Overhead Crane

Last month, we wrote about the installation of a new 2000 lbs Gorbel overhead crane in our lathe department work space. We are excited to share that we have made a similar investment in an overhead crane, or bridge crane, to transport graphite blocks to our milling machines. Concurrently, Semco is investing in OSHA certification for employees who will operate the crane. This overhead crane is 32 ft wide by 50 ft long and, when installed, will be used to transport heavy graphite material to five of our milling machines. This new set-up in our milling department will make loading and...

02 Sep

High School Rocket Team Looks to Graphite

Imagine you are on a high school rocket team trying to solve engineering problems that have bedeviled, well, rocket scientists for decades. What will you use for rocket propellant, and what kind of rocket engine will you employ? Maybe graphite doesn’t immediately come to mind as a material important to the success of your rocket team, but seniors on a Texas high school rocket team would disagree. This year’s senior class at Fredericksburg High School is working to complete a Goddard-level rocket through the Systems Go program to fly at the White Sands missile range in New Mexico. They have...