DOE Patents title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Delta ferrite-containing austenitic stainless steel resistant to the formation of undesirable phases upon aging

Abstract

Austenitic stainless steel alloys containing delta ferrite, such as are used as weld deposits, are protected against the transformation of delta ferrite to sigma phase during aging by the presence of carbon plus nitrogen in a weight percent 0.015-0.030 times the volume percent ferrite present in the alloy. The formation of chi phase upon aging is controlled by controlling the Mo content.

Inventors:
 [1]
  1. Kingston, TN
Issue Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
OSTI Identifier:
863881
Patent Number(s):
4265983
Assignee:
United States of America as represented by United States (Washington, DC)
Patent Classifications (CPCs):
Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10T - TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
B - PERFORMING OPERATIONS B23 - MACHINE TOOLS B23K - SOLDERING OR UNSOLDERING
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
delta; ferrite-containing; austenitic; stainless; steel; resistant; formation; undesirable; phases; aging; alloys; containing; ferrite; weld; deposits; protected; transformation; sigma; phase; presence; carbon; plus; nitrogen; weight; percent; 015-0; 030; times; volume; alloy; chi; controlled; controlling; content; steel alloy; delta ferrite; alloys containing; volume percent; weight percent; stainless steel; austenitic stainless; steel alloys; alloys contain; weld deposit; /428/219/

Citation Formats

Leitnaker, James M. Delta ferrite-containing austenitic stainless steel resistant to the formation of undesirable phases upon aging. United States: N. p., 1981. Web.
Leitnaker, James M. Delta ferrite-containing austenitic stainless steel resistant to the formation of undesirable phases upon aging. United States.
Leitnaker, James M. Thu . "Delta ferrite-containing austenitic stainless steel resistant to the formation of undesirable phases upon aging". United States. https://www.osti.gov/servlets/purl/863881.
@article{osti_863881,
title = {Delta ferrite-containing austenitic stainless steel resistant to the formation of undesirable phases upon aging},
author = {Leitnaker, James M},
abstractNote = {Austenitic stainless steel alloys containing delta ferrite, such as are used as weld deposits, are protected against the transformation of delta ferrite to sigma phase during aging by the presence of carbon plus nitrogen in a weight percent 0.015-0.030 times the volume percent ferrite present in the alloy. The formation of chi phase upon aging is controlled by controlling the Mo content.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1981},
month = {1}
}