C - Chemistry – Metallurgy – 21 – D
Patent
C - Chemistry, Metallurgy
21
D
C21D 9/00 (2006.01) B65G 39/02 (2006.01) C21D 9/56 (2006.01) C23C 4/06 (2006.01) F27D 3/02 (2006.01) B21B 27/00 (2006.01) B21B 39/00 (2006.01)
Patent
CA 2156952
A hearth roll with a cermet thermal spray coating on the roll surface which is composed of a heat resistant MCrAlY (M: Fe, Ni, Co) alloy where the amount of Al is below 10 at.% and the combined (Al+Cr) amount is between 13-31 at.% and at least one oxide ceramic from the group consisting of MgO, MgAl2O4, and Y2O3.
Praxair St Technology Inc
Sim & Mcburney
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