Mandrel Tube Bending Services mandrel bending mandrel bent tubing stainless

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At RPS Fab, we deliver smooth, wrinkle-free mandrel bends with repeatable accuracy for prototypes and production runs. Our Horn 100MRE mandrel bender produces tight radii and multi-plane geometries in steel, stainless, aluminum, and chromoly—ready for use in performance, industrial, and aerospace applications.

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Spec Range / Details

Tube OD

0.50” – 3.00”

Wall Thickness

0.035” – 0.125” (material-dependent)

Bend Radius (CLR)

As tight as 1.0× OD, custom radii available

Max Bend Angle

Up to 190° per hit

Multi-plane Bends

Complex geometries with high repeatability

Tolerances

Angle ±0.25°, CLR ±0.010–0.020”, twist ±0.5°

Materials

Mild steel, stainless (304/316), aluminum (6061/5052), chromoly, titanium

Finishing

Coping, welding, trimming, bead rolling, deburring, powder coating (in-house & partners)  

Mandrel bending keeps tube walls round, prevents wrinkles, and minimizes distortion—critical for thin-wall tubing and tight-radius bends. Whether for exhaust systems, turbo manifolds, hydraulic lines, or roll cages, mandrel bending ensures durability, fitment, and flow.

• Motorsports & Performance – intake, exhaust, turbo hot-side, roll cages
   
• Aerospace & Defense – precision fluid and air routing
   
• Industrial & Manufacturing – hydraulic lines, structural assemblies
   
• Custom Fabrication – one-off prototypes to low-volume production
   

• Minimum recommended bend radius: 1.0× OD for most materials
   
• Allowable ovality: ≤8% at tight CLR (varies by material)
   
• File formats accepted: STEP, IGES, DXF, SolidWorks
   
• No CAD? Send us a sample part—we can reverse engineer

• First-article inspections
   
• In-process checks on angle, radius, and twist
   
• Optional CMM/laser scan verification
   
• Fixtures for repeatability in production
   

• Standard lead time: 5–10 business days
   
• Rush services available
   

Whether you need a single prototype or repeat production, RPS Fab can bend, finish, and ship parts nationwide.