Title:
SOFT AUSTENITIC STAINLESS STEEL EXCELLENT IN HOT WORKABILITY
Document Type and Number:
Japanese Patent JP2518795
Kind Code:
B2
Abstract:
PURPOSE: To obtain a soft austenitic stainless steel usable for roof material, etc., to be bent, hardly causing work hardening, and excellent particularly in hot workability.
CONSTITUTION: This steel is a soft austenitic stainless steel which has a composition consisting of ≤0.02% C, ≤0.15% Si, ≤1.5% Mn, 5-15% Ni, 15-25% Cr, 0.3-2.0% Cu, 0.001-0.010% Al, 0.001-0.010% B, ≤0.02% N, ≤0.01% O (oxygen), and the balance Fe with inevitable impurities and satisfying (Al+B)/O=0.5 to 2.0%. Further, one or ≥2 kinds among ≤0.3% Mo, ≤0.5% Ti, and ≤0.5% Nb are incorporated into the above composition.
Inventors:
FUJII HIROYUKI
CHINO SHUSEI
TSUDA MASAOMI
CHINO SHUSEI
TSUDA MASAOMI
Application Number:
JP20017293A
Publication Date:
July 31, 1996
Filing Date:
July 21, 1993
Export Citation:
Assignee:
NIPPON YAKIN KOGYO CO LTD
International Classes:
C22C38/00; C22C38/54; (IPC1-7): C22C38/00; C22C38/54
Domestic Patent References:
| JP2179850A | ||||
| JP472038A | ||||
| JP5129085B1 |
Attorney, Agent or Firm:
Tadashi Hagino (3 outside)