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Title: Stress-Corrosion Cracking of Type 347 Stainless Steel And Other Alloys in High Temperature Water

Abstract

An extensive study was conducted on the susceptibility of Type 347 stainless steel to stress-corrosion cracking in high temperature water over wide ranges of chloride concentration, temperature, oxygen concentration, and pH. No cracking was observed at a chloride concentration of 5 ppm, but cracks were observed at 10 ppm and higher at temperatures of 100 deg C and above. Maximum susceptibility was found between 150 and 250 deg C, but no cracking was found below 100 deg C. No pH effect was noted. Various heat treatments and surface preparations showed no appreciable effect. Nickel plating, even with only partial covering of the surface, was found to inhibit stress-corrosion cracking completely while chromate and phosphate in solution were effective only at high concentrations. Five other austenitic stainless steels were similar in behavior to Type 347 stainless steel, and three ferritic stainless steels exhibited only slightly better resistance to cracking. Of five high nickel, high chromium alloys tested, only Inconel exhibited complete immunity to stress-corrosion cracking. Cast chromium-nickel stainless steels were found to be extremely resistant to stress-corrosion cracking as long as they were not subjected to cold- working or plastic deformation. Once stressed above the yield, the resistance to cracking couldmore » not be regained by annealing. A number of the alloys tested in high temperature water were also tested in boiling 32% MgCl 2. It was found that the susceptibility of an alloy to stress-corrosion cracking in boiling 42% MgCl 2 solution is not necessarily a measure of its susceptibility in high temperature water containing relatively small concentrations of chloride ion.« less

Authors:
;
Publication Date:
Research Org.:
Oak Ridge National Lab., Tenn.
Sponsoring Org.:
USDOE
OSTI Identifier:
4629902
NSA Number:
NSA-17-041380
Resource Type:
Journal Article
Journal Name:
Corrosion (Houston)
Additional Journal Information:
Journal Volume: 19; Journal Issue: 10; Other Information: Orig. Receipt Date: 31-DEC-63; Journal ID: ISSN 0010-9312
Country of Publication:
Country unknown/Code not available
Language:
English
Subject:
36 MATERIALS SCIENCE; ACIDITY; ALUMINUM ALLOYS; ANNEALING; AUSTENITE; BOILING; CASTING; CHLORIDES; CHROMIUM ALLOYS; CHROMIUM OXIDES; COLD WORKING; CORROSION; CRACKS; DEFORMATION; FERRITES; HEAT TREATMENTS; IONS; MAGNESIUM CHLORIDES; MEASURED VALUES; NICKEL; NICKEL ALLOYS; NIOBIUM ALLOYS; OXYGEN; PHOSPHATES; PLATING; PREPARATION; QUANTITY RATIO; SOLUTIONS; STABILITY; STAINLESS STEELS; STRESSES; SURFACES; TEMPERATURE; TITANIUM ALLOYS; WATER

Citation Formats

NEUMANN, P. D., and GRIESS, J. C. Stress-Corrosion Cracking of Type 347 Stainless Steel And Other Alloys in High Temperature Water. Country unknown/Code not available: N. p., 1963. Web. doi:10.5006/0010-9312-19.10.345.
NEUMANN, P. D., & GRIESS, J. C. Stress-Corrosion Cracking of Type 347 Stainless Steel And Other Alloys in High Temperature Water. Country unknown/Code not available. doi:10.5006/0010-9312-19.10.345.
NEUMANN, P. D., and GRIESS, J. C. Tue . "Stress-Corrosion Cracking of Type 347 Stainless Steel And Other Alloys in High Temperature Water". Country unknown/Code not available. doi:10.5006/0010-9312-19.10.345.
@article{osti_4629902,
title = {Stress-Corrosion Cracking of Type 347 Stainless Steel And Other Alloys in High Temperature Water},
author = {NEUMANN, P. D. and GRIESS, J. C.},
abstractNote = {An extensive study was conducted on the susceptibility of Type 347 stainless steel to stress-corrosion cracking in high temperature water over wide ranges of chloride concentration, temperature, oxygen concentration, and pH. No cracking was observed at a chloride concentration of 5 ppm, but cracks were observed at 10 ppm and higher at temperatures of 100 deg C and above. Maximum susceptibility was found between 150 and 250 deg C, but no cracking was found below 100 deg C. No pH effect was noted. Various heat treatments and surface preparations showed no appreciable effect. Nickel plating, even with only partial covering of the surface, was found to inhibit stress-corrosion cracking completely while chromate and phosphate in solution were effective only at high concentrations. Five other austenitic stainless steels were similar in behavior to Type 347 stainless steel, and three ferritic stainless steels exhibited only slightly better resistance to cracking. Of five high nickel, high chromium alloys tested, only Inconel exhibited complete immunity to stress-corrosion cracking. Cast chromium-nickel stainless steels were found to be extremely resistant to stress-corrosion cracking as long as they were not subjected to cold- working or plastic deformation. Once stressed above the yield, the resistance to cracking could not be regained by annealing. A number of the alloys tested in high temperature water were also tested in boiling 32% MgCl2. It was found that the susceptibility of an alloy to stress-corrosion cracking in boiling 42% MgCl2 solution is not necessarily a measure of its susceptibility in high temperature water containing relatively small concentrations of chloride ion.},
doi = {10.5006/0010-9312-19.10.345},
journal = {Corrosion (Houston)},
issn = {0010-9312},
number = 10,
volume = 19,
place = {Country unknown/Code not available},
year = {1963},
month = {10}
}