MARTENSITIC S FREE-CUTTING STAINLESS STEEL - NIPPON STEEL STAINLESS STEEL CORP

Title:

MARTENSITIC S FREE-CUTTING STAINLESS STEEL

Document Type and Number:

WIPO Patent Application WO/2019/240209

Kind Code:

A1

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.

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Inventors:

SAKAIZAWA YUTO (JP)
TOHJOH MASAYUKI (JP)
TAKANO KOHJI (JP)
FUKUMOTO SHIGEO (JP)

Application Number:

PCT/JP2019/023437

Publication Date:

December 19, 2019

Filing Date:

June 13, 2019

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Assignee:

NIPPON STEEL STAINLESS STEEL CORP (JP)

International Classes:

C22C38/00; C22C38/60; C21C7/00; C21D8/06

Foreign References:

JP2011184716A	2011-09-22
JP2008111186A	2008-05-15
JPH08193249A	1996-07-30

Attorney, Agent or Firm:

TANAI Sumio et al. (JP)

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