Heat treatment methods for annealing cast iron pipes

Details Heat treatment methods for annealing cast iron pipes Heat treatment methods for annealing cast iron pipes

C - Chemistry, Metallurgy

21

D

148/45, 38/5

C21D 9/08 (2006.01) C21D 1/48 (2006.01) C21D 5/00 (2006.01)

Patent

CA 1116057

ABSTRACT A heat treatment method for annealing a spheroidal or lamellar graphite cast-iron pipe. A pipe to be treated is taken in its crude centrifuged state and suspended substantially horizontally so that it is partly immersed in a metal bath. The pipe is then rotated about its own axis.

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