The Worldwide Leader in Rolled Rings and Cylinders

Manufacturing Perfected

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Iso 9001 2015

Driven by Precision

Millerbernd is an industry-leading fabricator known for producing standard, custom, and innovative rolled rings, cylinders, and accessory components. Established in 1933, we have continuously designed our own equipment and refined our processes to remain at the forefront of the industry. Committed to exceeding customer expectations in service, product quality, delivery, and cost, we adapt to evolving customer needs while positioning ourselves for growth.

Why Millerbernd Should Be Your Next Partner

We deeply engage with each market, gaining a comprehensive understanding of their specific requirements in design, materials, quality, inspections, and certifications. With all manufacturing processes handled internally, we eliminate unnecessary supply channels, ensuring greater accountability and efficiency. Count on us to provide prompt answers to your questions and deliver high-quality products, guaranteeing best-in-class customer service.

Rolled Rings

1/4 up to 5-inch thick bar rolled 
the “Easy Way” or “Hard Way”

Diameters from 6 to 120+ inches

Flash welding from 1/2 up to 
24 square inch cross-sections

Custom CNC machining

Rough machining of all surfaces 
up to 120-inch diameter

CMM Inspection Reports

Rolled Cylinders

Single-piece construction of plate 
widths up to 120 inches

Diameters from 7 up to 144+ inches

Wall thickness from 1/4 up to 
4 or more inches

Custom drilling and boring

Machining of interior and 
exterior surfaces

Our Guarantee

Focusing on circular products, we guarantee the highest quality solutions at the lowest total cost guarantee, by maintaining rigorous quality standards and efficient processes.

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Millerbernd Value — Delivered.

Flash-Welded Rings and Cylinders

Our flash-welding process eliminates waste, resulting in a significant reduction in component costs.

Circular Products for Core Markets

With our precise focus, we have unmatched expertise in manufacturing rolled rings and cylinders.

Scalable to Meet Your Demands

By eliminating unnecessary supply channels, we can easily adapt to your order sizes and shipments.

Innovative Precision Engineering

We continue to invest in the best manufacturing technology to transform your ideas into form-ready specifications.

Flash-Butt Welding

Our process produces 100% full penetration weld to ensure all products have uniform strength and composition.

Quality Assurance Systems

We hold our product tolerance to 0.0625 inches in all dimensions and machined product tolerances of 0.002 inches.

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Please let us know more about the rolled rings or cylinders you need, and we’ll get back to you promptly.

Contact Information

Product Specifications

(OD) In inches
(ID) In inches
In inches
Type of metal