Title:
マルテンサイト系Ｓ快削ステンレス鋼
Document Type and Number:
Japanese Patent JP6918238
Kind Code:
B2
Abstract:
This martensitic S free-cutting stainless steel contains, in terms of % by mass, 0.07-0.70% C, 0.01-1.0% Si, 0.1-1.50% Mn, 0.15-0.60% S, 0.010-0.050% P, 10-16% Cr, 0.005-0.15% N, 0.004% or less of Al, 0.0020% or less of Mg, 0.007-0.030% O, 0-1.0% Ni, and 0-3.0% Mo, the remainder comprising Fe and impurities, and contains (Mn, Cr)(S, O)-based inclusions including 0.5% by mass or more of O.
Inventors:
Sakaizawa Hayato
Tojo Masayuki
Koji Takano
Shigeo Fukumoto
Tojo Masayuki
Koji Takano
Shigeo Fukumoto
Application Number:
JP2020525645A
Publication Date:
August 11, 2021
Filing Date:
June 13, 2019
Export Citation:
Assignee:
Nippon Steel Stainless Steel Corporation
International Classes:
C22C38/00; C22C38/60
Domestic Patent References:
| JP2011184716A | ||||
| JP2008111186A | ||||
| JP8193249A |
Foreign References:
| WO2002092869A1 |
Attorney, Agent or Firm:
Sumio Tanai
Mitsuo Teramoto
Tomoo Katsumata
Hiroshi Yamaguchi
Mitsuo Teramoto
Tomoo Katsumata
Hiroshi Yamaguchi