Gary, Indiana

Blast Furnace No. 14 Hearth and Stave Repairs

Client / Owner

United States Steel Corporation




Graycor Industrial

Project Scope

Graycor Industrial’s team performed various repairs to Blast Furnace No. 14 at U.S. Steel’s Gary Works facility. Work for the furnace proper included: rough scale-down; repair and replacement of 64 copper staves and associated piping, hearth wall lining, hearth bottom, tuyere assemblies and coolers, and above burden probes; installation of blow-in lining, and dry-out.

Work for the casthouse included performing structural and refractory repairs to #01 taphole/trough area and repairing and replacing reconditioned mud guns and tap drills.

The project also included installing additional recirculation cooling water pump and associated piping , as well as making numerous shell modifications to the stave.

Graycor’s blasting team also provided hydroblasting, sand blasting and vacuum services on the project to remove a large salamander in the furnace as well as buildup in the dust collector.