Title:
STAINLESS STEEL MATERIAL, SPOT WELDING STRUCTURE AND METHOD FOR MANUFACTURING THE SAME
Document Type and Number:
Japanese Patent JP2023131036
Kind Code:
A
Abstract:
To provide a stainless steel material allowing spot welding and excellent in dimensional accuracy even when subjected to blackening heating.SOLUTION: A stainless steel material includes a base having a composition of by mass, C:0.100% or less, Si:1.00% or less, Mn:0.05-1.00%, P:0.100% or less, S:0.100% or less, Cr:16.00-25.00%, Ni: 1.00% or less, Cu:1.00% or less, Mo:2.00% or less, N:0.100% or less, Al:1.00% or less, Ti: 0.08-0.50% and the remainder consisting of Fe and impurities; and a pretreatment coating formed on the surface of the base and having a thickness of 50-200 nm and a Mn molar fraction of 0.30 or more.SELECTED DRAWING: None
Inventors:
TAI ZENICHI
WAKAMURA MAI
WAKAMURA MAI
Application Number:
JP2022035680A
Publication Date:
September 21, 2023
Filing Date:
March 08, 2022
Export Citation:
Assignee:
NIPPON STEEL STAINLESS STEEL CORP
International Classes:
C23C8/14; C21D9/46; C22C38/00; C22C38/60; C23C8/18
Attorney, Agent or Firm:
Axis International Patent Attorney Corporation