Hoskins 405 and 426 Alloys for Type C Extension Wire

Concept Alloys now manufactures the extension wire combination developed by Hoskins Manufacturing Company, known as 405/426, for use with the W5Re/W26Re thermocouple wires.  These compensating extension wires, when used as a pair, match the W5Re/W26Re thermocouple curve to within ±0.110 millivolts from 32°F to 1600°F.  They are both nickel base alloys and offer excellent ductility and good resistance to oxidation over the entire guaranteed range.

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