Mandrel bending is a precise and adaptable method for shaping tubes and pipes without causing them to deform or collapse. This process involves inserting a solid mandrel into the tubing during the bend to support its interior structure. This ensures smooth, consistent bends with minimal distortion, which is essential for applications requiring both high performance and visual accuracy, such as automotive exhaust systems, structural frameworks, and industrial pipelines.
Our mandrel bending services support manufacturers in producing tight-radius curves and complex designs while preserving material integrity. Whether working with aluminized or stainless steel tubing, we apply advanced processes to create precision-formed bends that meet exacting quality and performance standards.

Our mandrel bending services ensure every bend is produced to precise specifications, delivering dependable and efficient solutions across a range of industries. By applying advanced processes, we help manufacturers improve functionality, enhance durability, and achieve a refined finished product.
Mandrel Bending Capabilities
Our mandrel bending services provide high-precision, adaptable solutions to meet a wide variety of manufacturing requirements. Key features include:

Complete Mandrel Bending Solutions
We support a full range of mandrel bending requirements, ensuring precise and consistent bends across all types. The process involves inserting a mandrel into the tube during bending to prevent collapse and maintain a smooth interior finish. This method is essential for fabricating intricate, high-performance components.
Aluminized and Stainless Steel Tubing
Our mandrel bending services support both aluminized and stainless steel tubing. Aluminized steel offers excellent corrosion resistance, while stainless steel provides superior strength and longevity. These materials ensure durability and consistent performance across a variety of applications.
Round Tubing from 1″ to 6″
We support mandrel bending for round tubing with diameters ranging from 1 inch to 6 inches. This versatility allows manufacturers to accommodate a wide range of requirements, from smaller, high-performance designs to larger, heavy-duty applications, while maintaining structural integrity and performance.
Custom Fabrication: Headers, Flares, and Bungs
In addition to standard mandrel bends, we support the production of custom components such as headers, flares, and bungs. These custom parts are essential for optimizing flow and performance in specialized applications. Our expertise ensures manufacturers receive tailored solutions that meet precise project requirements.
Precision Inspection Technology: Faro Arm with 1/1000th-Inch Accuracy
Our mandrel bending services incorporate advanced inspection technologies such as Faro Arm measurement systems. With precision down to 1/1000th of an inch, each component is verified to meet strict tolerances, ensuring consistent performance and reliability.
Advanced Welding Techniques: Orbital, Robotic TIG, and MIG
We support advanced welding requirements using orbital, robotic TIG, and MIG techniques. These methods produce durable, consistent welds that enhance the strength and longevity of bent tubing, helping manufacturers meet demanding industry standards.

Mandrel Bending Material Options
| Tube Diameter (in & mm) |
For Multi-Bend Parts Minimum Straight (in) Required w/o Welds | Center Line Radius (in & mm) |
Tube Diameter (in & mm) |
For Multi-Bend Parts Minimum Straight (in) Required w/o Welds | Center Line Radius (in & mm) |
CONTACT US
United Muffler Corporation
Nationwide Toll Free: 866-229-3402
Emai: umcadmin@unitedmuffler.com
Phone: 519-455-1550
Fax: 519-455-1103
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