Custom Rolling & Forming of a Steel Emission Stack for the Utility Industry

Custom Rolling & Forming of a Steel Emission StackA customer in the utility industry approached us with the fabrication of this exhaust stack. The unit was to be used as part of a much larger emission control system. At Sunbelt Fabricators, Inc. we specialize in large scale steel fabrication, and this project was no exception. The stack which was composed of A-36 carbon steel, and measured 62′ in length, it had a diameter of 6′, with material thicknesses of .250″ to .375″.

Each section of the stack was cut with our CNC burning equipment, then rolled and formed. Assembly was done using flux core arc welding (FCAW); each step included visual and dimensional inspections to maintain the dimensional accuracy that the customer required. After assembly the entire unit was painted with urethane paint. For more details on this project, see the table below.

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Highlights of this Custom Rolled & Forming of a Steel Emission Stack

Product Description

This steel stack is used within an emission control application.

Custom Rolled & Forming Capabilities Applied/Processes

CNC Burning

  • Cut Flat Plate to Correct Geometries

FCAW Welding


Overall Part Dimensions

Material Thickness: .250″ to .375″
Height: 62′
Diameter: Ø6′

Material Used

A-36 Steel

Material Finish


In process testing/inspection performed


Industry for Use

Emission Control



Standards Met

Customer supplied print, 2D CAD Drawing
AWS D1.1

Product Name

Emission Stack