Tube Fabrication
Company's including OEMs in the automotive industry depend on Leonhardt to fabricate, assemble, and manage the supply chain for tubing and tubular products critical to their manufacturing processes. Tube and tubing fabrication is a core competency at Leonhardt Manufacturing.
With a focus on manufacturing decorative tubing products and tubing fabrications of the highest quality for a wide variety of industrial applications, Leonhardt delivers an extensive range of custom tube fabrication capabilities. From tube bending, end forming, and metal finishing, to supply chain management, prototyping, and design assistance, Leonhardt's abilities go well beyond tube fabrication.
Tube Fabrication Capabilities
- Complicated, Decorative, Shiny, Tubular Assemblies
- Compound Tube Bends / Multi-Radius and Variable Radius Tube Bending
- Tight Tolerance Fabrication
- Chrome Plating, Metal Finishing, and Polishing
- End Forming
- Robotic and Spot MIG and TIG Welding
- Tube Sizes from .25" Outside Diameter to 3" Outside Diameter
- Tubing Length up to 12 Feet
- Sub-Assemblies
- Value Added Services
Engine Guard with Foot Rest
- Multiple Bend Radii
- Sub Assembly of Rubber Foot Rest

Engine Guard with Foot Rest
- Multiple Bend Radii
- Sub Assembly of Rubber Foot Rest
Handle Bar Assembly
- Invisible Metal Finished & Polished Weld Joints
- Machined & Pressed-in Threaded Inserts
- Heat Treated & Polished

Handle Bar Assembly
- Invisible Metal Finished & Polished Weld Joints
- Machined & Pressed-in Threaded Inserts
- Heat Treated & Polished
Mounting Bracket with Compound Bending
- Welded Mounting Brackets
- Chrome Plated & Polished

Mounting Bracket with Compound Bending
- Welded Mounting Brackets
- Chrome Plated & Polished
Motorcycle Tour Pack Assembly
- Robotically Welded Stampings
- Complex Geometric Assembly

Motorcycle Tour Pack Assembly
- Robotically Welded Stampings
- Complex Geometric Assembly
Stainless Steel Vent Tube
- 5/16 Diameter X .035 Wall Thickness
- 304 Stainless Material
- End Forming Includes Swaged, Beveled, and Beaded

Stainless Steel Vent Tube
- 5/16 Diameter X .035 Wall Thickness
- 304 Stainless Material
- End Forming Includes Swaged, Beveled, and Beaded
Stainless Steel Vent Tube
- 5/16 Diameter X .035 Wall Thickness
- 304 Stainless Material
- End Forming Includes Swaged, Beveled, and Beaded

Stainless Steel Vent Tube
- 5/16 Diameter X .035 Wall Thickness
- 304 Stainless Material
- End Forming Includes Swaged, Beveled, and Beaded
Hydraulic Oil Tube Assembly
- Pressure Tested to 100 PSI
- 4 Components Include Flex Hose w/Ferrules, Machined Component, and Bent Tubular Parts
- Beaded End Forming

Hydraulic Oil Tube Assembly
- Pressure Tested to 100 PSI
- 4 Components Include Flex Hose w/Ferrules, Machined Component, and Bent Tubular Parts
- Beaded End Forming
Hydraulic Oil Tube Assembly
- Pressure Tested to 100 PSI
- 4 Components Include Flex Hose w/Ferrules, Machined Component, and Bent Tubular Parts
- Beaded End Forming

Hydraulic Oil Tube Assembly
- Pressure Tested to 100 PSI
- 4 Components Include Flex Hose w/Ferrules, Machined Component, and Bent Tubular Parts
- Beaded End Forming
Hydraulic Oil Tube Assembly
- Pressure Tested to 100 PSI
- 4 Components Include Flex Hose w/Ferrules, Machined Component, and Bent Tubular Parts
- Beaded End Forming

Hydraulic Oil Tube Assembly
- Pressure Tested to 100 PSI
- 4 Components Include Flex Hose w/Ferrules, Machined Component, and Bent Tubular Parts
- Beaded End Forming
Hydraulic Oil Tube Assembly
- Pressure Tested to 100 PSI
- 4 Components Include Flex Hose w/Ferrules, Machined Component, and Bent Tubular Parts
- Beaded End Forming

Hydraulic Oil Tube Assembly
- Pressure Tested to 100 PSI
- 4 Components Include Flex Hose w/Ferrules, Machined Component, and Bent Tubular Parts
- Beaded End Forming
Motorcycle Luggage Rack
- Multiple Bend Radii
- TIG Welded Mounting Brackets (Stamped In-house)
- TIG Welded Coped Tubes
- Chrome Plated & Polished
- 100% Leak Tested

Motorcycle Luggage Rack
- Multiple Bend Radii
- TIG Welded Mounting Brackets (Stamped In-house)
- TIG Welded Coped Tubes
- Chrome Plated & Polished
- 100% Leak Tested
Motorcycle Luggage Rack
- Multiple Bend Radii
- TIG Welded Mounting Brackets (Stamped In-house)
- TIG Welded Coped Tubes
- Chrome Plated & Polished
- 100% Leak Tested

Motorcycle Luggage Rack
- Multiple Bend Radii
- TIG Welded Mounting Brackets (Stamped In-house)
- TIG Welded Coped Tubes
- Chrome Plated & Polished
- 100% Leak Tested
Handle Bar Assembly
- Invisible Metal Finished & Polished Weld Joints
- Machined & Pressed-in Threaded Inserts
- Heat Treated & Polished

Handle Bar Assembly
- Invisible Metal Finished & Polished Weld Joints
- Machined & Pressed-in Threaded Inserts
- Heat Treated & Polished
Handle Bar Assembly
- Invisible Metal Finished & Polished Weld Joints
- Machined & Pressed-in Threaded Inserts
- Heat Treated & Polished

Handle Bar Assembly
- Invisible Metal Finished & Polished Weld Joints
- Machined & Pressed-in Threaded Inserts
- Heat Treated & Polished
Handle Bar Assembly
- Invisible Metal Finished & Polished Weld Joints
- Machined & Pressed-in Threaded Inserts
- Heat Treated & Polished

Handle Bar Assembly
- Invisible Metal Finished & Polished Weld Joints
- Machined & Pressed-in Threaded Inserts
- Heat Treated & Polished
Motorcycle Handle Bar
- 1" Tube Inserted into 1 ¼" Tube
- Induction Brazed Tubes
- Knurled
- Chrome Plated & Polished

Motorcycle Handle Bar
- 1" Tube Inserted into 1 ¼" Tube
- Induction Brazed Tubes
- Knurled
- Chrome Plated & Polished
Motorcycle Handle Bar
- 1" Tube Inserted into 1 ¼" Tube
- Induction Brazed Tubes
- Knurled
- Chrome Plated & Polished

Motorcycle Handle Bar
- 1" Tube Inserted into 1 ¼" Tube
- Induction Brazed Tubes
- Knurled
- Chrome Plated & Polished
Motorcycle Handle Bar
- 1" Tube Inserted into 1 ¼" Tube
- Induction Brazed Tubes
- Knurled
- Chrome Plated & Polished

Motorcycle Handle Bar
- 1" Tube Inserted into 1 ¼" Tube
- Induction Brazed Tubes
- Knurled
- Chrome Plated & Polished
Motorcycle Handle Bar
- 1" Tube Inserted into 1 ¼" Tube
- Induction Brazed Tubes
- Knurled
- Chrome Plated & Polished

Motorcycle Handle Bar
- 1" Tube Inserted into 1 ¼" Tube
- Induction Brazed Tubes
- Knurled
- Chrome Plated & Polished
Motorcycle Handle Bar
- 1" Tube Inserted into 1 ¼" Tube
- Induction Brazed Tubes
- Knurled
- Chrome Plated & Polished

Motorcycle Handle Bar
- 1" Tube Inserted into 1 ¼" Tube
- Induction Brazed Tubes
- Knurled
- Chrome Plated & Polished
Closed Loop Engine Guard
- Single Continuous Bend Process
- Invisible Weld Seams are MIG Welded, Ground, and Polished

Closed Loop Engine Guard
- Single Continuous Bend Process
- Invisible Weld Seams are MIG Welded, Ground, and Polished
Closed Loop Engine Guard
- Single Continuous Bend Process
- Invisible Weld Seams are MIG Welded, Ground, and Polished

Closed Loop Engine Guard
- Single Continuous Bend Process
- Invisible Weld Seams are MIG Welded, Ground, and Polished
Closed Loop Engine Guard
- Single Continuous Bend Process
- Invisible Weld Seams are MIG Welded, Ground, and Polished

Closed Loop Engine Guard
- Single Continuous Bend Process
- Invisible Weld Seams are MIG Welded, Ground, and Polished
Closed Loop Engine Guard
- Single Continuous Bend Process
- Invisible Weld Seams are MIG Welded, Ground, and Polished

Closed Loop Engine Guard
- Single Continuous Bend Process
- Invisible Weld Seams are MIG Welded, Ground, and Polished
Motorcycle Stabilizer Bar
- Powder Coated
- Threaded Inserts Each End
- Assembled Eye Bolts

Motorcycle Stabilizer Bar
- Powder Coated
- Threaded Inserts Each End
- Assembled Eye Bolts
Motorcycle Stabilizer Bar
- Powder Coated
- Threaded Inserts Each End
- Assembled Eye Bolts

Motorcycle Stabilizer Bar
- Powder Coated
- Threaded Inserts Each End
- Assembled Eye Bolts
Motorcycle Stabilizer Bar
- Powder Coated
- Threaded Inserts Each End
- Assembled Eye Bolts

Motorcycle Stabilizer Bar
- Powder Coated
- Threaded Inserts Each End
- Assembled Eye Bolts
Motorcycle Tour Pack Assembly
- Robotically Welded Stampings
- Complex Geometric Assembly

Motorcycle Tour Pack Assembly
- Robotically Welded Stampings
- Complex Geometric Assembly
Engine Guard with Foot Rest
- Multiple Bend Radii
- Sub Assembly of Rubber Foot Rest

Engine Guard with Foot Rest
- Multiple Bend Radii
- Sub Assembly of Rubber Foot Rest
Engine Guard with Foot Rest
- Multiple Bend Radii
- Sub Assembly of Rubber Foot Rest

Engine Guard with Foot Rest
- Multiple Bend Radii
- Sub Assembly of Rubber Foot Rest
Engine Guard with Foot Rest
- Multiple Bend Radii
- Sub Assembly of Rubber Foot Rest

Engine Guard with Foot Rest
- Multiple Bend Radii
- Sub Assembly of Rubber Foot Rest
Crane Jib Assembly
- 30 Feet in Length
- 150 Total Parts
- 460 Separate Welds
- 1500 Pounds Complete

Crane Jib Assembly
- 30 Feet in Length
- 150 Total Parts
- 460 Separate Welds
- 1500 Pounds Complete
Crane Adapter
- 89 Total Parts
- 170 Separate Welds
- 350 Pounds Complete

Crane Adapter
- 89 Total Parts
- 170 Separate Welds
- 350 Pounds Complete
Stamping
- Blanking
- Flattening
- Notching
- Piercing
- Punching
- Slotting

Stamping
- Blanking
- Flattening
- Notching
- Piercing
- Punching
- Slotting
Metal Finishing
- Anodizing
- Brazing
- Painting
- Powder Coat
- Zinc Plating

Metal Finishing
- Anodizing
- Brazing
- Painting
- Powder Coat
- Zinc Plating
Metals
- Aluminum
- Steel
- Stainless Steel
- Copper
- Cold Rolled Electric Weld

Metals
- Aluminum
- Steel
- Stainless Steel
- Copper
- Cold Rolled Electric Weld
Decorative Light Fixture Cover
- Hand Polished
- Gold Plated

Decorative Light Fixture Cover
- Hand Polished
- Gold Plated
Precision Quality Control
- Coordinate Measuring Machine (CMM)
- Rigorous Visual Inspection

Precision Quality Control
- Coordinate Measuring Machine (CMM)
- Rigorous Visual Inspection
From design and prototyping through manufacturing and supply chain managment, Leonhardt delivers.

From design and prototyping through manufacturing and supply chain managment, Leonhardt delivers.
Precision flattening and trimming in a multi-station stamping die.

Precision flattening and trimming in a multi-station stamping die.
A worker stacks a run of stamped and punched metal tube.

A worker stacks a run of stamped and punched metal tube.
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Job Story
Manufacturer of Industrial Cranes Relies on Leonhardt for Contract Manufacturing of Large Jib and Welded Assembly