Ferrous materials

Details Ferrous materials Ferrous materials

C - Chemistry, Metallurgy

21

D

148/31

C21D 8/00 (2006.01) C21D 1/30 (2006.01) C21D 8/10 (2006.01)

Patent

CA 1178517

Abstract: The ferrous materials of this invention, which are produced in the shape of tubes or bars by subjecting to plastic deformation by drawing and subsequently by sub- jecting to annealing treatment conducted under stated conditions, retain a flattened structure substantially free from recrystallization and acquire a hardness which is greater by 55% to 125% than the hardness acquired by iron and steel materials which are treated by full anneal- ing. The ferrous materials notably excel the conventional products in terms of fatigue strength against bending, vibrations, etc.

373498

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