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Blast Furnace

Tuyeres, Tuyere Coolers, Stack Cooling
Plates, Cigar Coolers, and Staves

Foundry Cupola Furnace

Tuyeres

Electric Arc Furnace (EAF)

Burner Tips, Burner Blocks, and
Cooling Panels

Basic Oxygen Furnace (BOF)

Oxygen Lance Tips

Smelting Furnace

Troughs, Panels, and Plates

DOWNLOADABLE PAPERS

“A Practical Engineering Approach to Improving the Reliability of Blast Furnace Tuyeres”

by C. Copeland and S. Street, SeverstalDearborn, chosen AIST 2012 Gold Reliability Achievement Award winner, and presented at AISTech 2013, Pittsburgh, PA USA, May 2013

“High Conductivity Copper in the Blast Furnace”

by T. Shellhammer, TVR Technologies LLC and R. Walsh, Alabama Copper & Bronze, presented at AISTech 2010, Pittsburgh, PA USA, May 2010

“Copper, Calorizing and Metallurgical Vessels”

by T. Shellhammer, TVR Technologies LLC , and A. Park, Quantum Ceramalloy, presented at Conference of Metallurgists, Toronto, Canada, August 2015

Calorized Copper Microstructure

Microstructure and properties

Calorized Copper Microstructure & Properties

Top Layer Aluminia
VH 125

Layer 2 Intermetallic
VH 120

Layer 3 Cu/Al diffused layer
VH 103

Base Copper
VH 30

VH = Vickers Hardness

Photograph of a calorized sample as received and a mounted and polished cross-section for metallurgical examination. Note uniform thickness of the calorized layer in the cross-sectioned sample.

Molten Iron Splash Testing Calorized Sample

Poured on Copper Blocks 6” x 6” x 1” thick

Plain Copper

Inconel Coated Copper

Calorized Copper

	Plain Copper	Inconel Coated Copper	Calorized Copper
Weight of iron poured	12 lbs.	16 lbs.	130 lbs.
Pour duration	2 min. 50 sec.	3 min. 30 sec.	14 min. 0 sec.
Result	Complete penetration	Complete penetration	Surface undamaged