Skid rail

Details Skid rail Skid rail

1989-01-24

1990-02-13

Yuen, Henry C.

Heating

Heating apparatus element having protective cooling structure

Work skid or rail structure

432235, 432236, F27D 302

Patent

active

049002481

ABSTRACT:
Disclosed is an improved skid rail used in furnaces, particularly, the furnaces for heating steel pieces for hot processing. The skid rail uses, as the material of the skid members thereof, an oxide-dispersion reinforced type super alloy which comprises certain amounts of Cr, Fe, Al and Ti, and optionally a certain amount of Co, the balance being Ni, and contains fine particles of a high melting point metal oxide such a Y.sub.2 O.sub.3, ZrO.sub.2 and Al.sub.2 O.sub.3 dispersed in the austenitic matrix of the alloy.

REFERENCES:
patent: 4056351 (1977-11-01), Knaak
patent: 4093760 (1978-06-01), O'Malley
patent: 4368038 (1983-01-01), Bourdon et al.
patent: 4601659 (1986-07-01), Webster et al.
patent: 4604056 (1986-08-01), Jones
patent: 4747775 (1988-05-01), Takagi et al.

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