Manufacturing Information
| HASTELLOY and HAYNES alloys are manufactured at three separate locations. Bar, billet, wire, remelt materials, plate, sheet, strip and coil are produced in Kokomo, Indiana. Seamless and welded pipe and tubing are manufactured in Arcadia, Louisiana. Wire is produced at a facility in Mountain Home, North Carolina.
The Kokomo mill consists of one-million square feet of covered factory area on 247 acres. The smaller Arcadia facility consists of 125,000 square feet of factory on 47 acres. Some of the equipment, much of it designed specifically for processing high performance alloys, is shown below. |
 Most of the nickel- and cobalt-base alloys, produced at Kokomo, are first melted in the arc furnace. |
 Air-melted alloys are further refined in an argon oxygen decarburization vessel. This process is especially useful for making very-low-carbon content alloys. |
 Alloys containing aluminum, columbium, zirconium or tantalum must be melted in a vacuum furnace. |
 More refining (via double melting) takes place in electroslag remelting furnaces. |
 Hot working hydraulic forge press produces round-cornered squares or slabs. |
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 This 4-high hot mill was part of a $100-million expansion program. It rolls alloys into high-quality coils. |
 The MKW-100 mill cold-reduces hot bands from the 4-high mill down to thin sheet. |
 Weld mills at Arcadia, Louisiana provides welded pipe and tube to the chemical process industries. |
 Pilger mills at Arcadia, Louisiana cold roll alloy hollows into seamless tubing and pipe. |
