Title:
FERRITE-BASED STAINLESS STEEL MATERIAL AND CORROSION RESISTANT MEMBER
Document Type and Number:
WIPO Patent Application WO/2021/241132
Kind Code:
A1
Abstract:
This ferrite-based stainless steel material has a compositional makeup including, in mass basis, 0.001-0.100% of C, not more than 5.00% of Si, not more than 2.00% of Mn, not more than 0.050% of P, not more than 0.0300% of S, less than 2.00% of Ni, 11.00-30.00% of Cr, not more than 6.00% of Mo, not more than 0.60% of Cu, not more than 0.050% of N, and not more than 3.500% of Al, the remaining portion being Fe and impurities, and has excellent corrosion resistance. The surface of the ferrite-based stainless steel material has an arithmetic mean roughness Ra of 0.10-3.00 μm and a 60-degree specular gloss Gs (60°) of 10-100%.
Inventors:
KAWANO AKINORI (JP)
MORITA KAZUNARI (JP)
MORITA KAZUNARI (JP)
Application Number:
PCT/JP2021/017109
Publication Date:
December 02, 2021
Filing Date:
April 28, 2021
Export Citation:
Assignee:
NIPPON STEEL STAINLESS STEEL CORP (JP)
International Classes:
B21B3/02; B21B1/22; B21B45/06; C21D9/46; C22C38/00; C22C38/58; C23G1/08; C23G5/00
Foreign References:
| JP2017179519A | 2017-10-05 | |||
| JP2016196019A | 2016-11-24 | |||
| JP2018145497A | 2018-09-20 | |||
| JP2005302713A | 2005-10-27 | |||
| JPH07188862A | 1995-07-25 |
Attorney, Agent or Firm:
AXIS PATENT INTERNATIONAL (JP)
Download PDF: