Stress Corrosion Cracking in Hot Water Tank of Type 304 Steel caused from a Weld Defect

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Other Title
  • 溶接不良によるステンレス製給湯タンクの腐食割れ
  • ヨウセツ フリョウ ニ ヨル ステンレスセイ キュウトウ タンク ノ フショク

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Description

Stress corrosion cracking was found in Type 304 steel tank for hot water with Cl- content of 19ppm and temperature of 80°C. It was learned that poor penetration in butt welding left a gap of 40μm in the tank wall, which would behave as a corrosion crevice to initiate cracks under residual stresses.

Journal

  • CORROSION ENGINEERING

    CORROSION ENGINEERING 35 (9), 521-523, 1986

    Japan Society of Corrosion Engineering

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