Title:
GRAIN REFINING METHOD FOR AUSTENITE IN FERRITICAUSTENITIC TWO-PHASES TAINLESS STEEL
Document Type and Number:
Japanese Patent JPS5387921
Kind Code:
A
Abstract:
PURPOSE: To surely carry grain refining of austenite textural grains in the structure of a hollow pipe-shaped material made of two-phase stainless steel by heat treating the material after which it is subjected to plastic deformation by being applied with press. in the axial direction.
Inventors:
HIRAISHI HISASHI
SHIOKAWA HIROYUKI
MORICHIKA TOSHIAKI
SHIOKAWA HIROYUKI
MORICHIKA TOSHIAKI
Application Number:
JP322177A
Publication Date:
August 02, 1978
Filing Date:
January 12, 1977
Export Citation:
Assignee:
KUBOTA LTD
International Classes:
C21D8/00; C21D9/08; (IPC1-7): C21D6/00