High Temperature Corrosion guide line 7[1].0.ppt

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High Temperature Corrosion guide line

description

corrosion types

Transcript of High Temperature Corrosion guide line 7[1].0.ppt

  • High Temperature Corrosion guide line

  • Smooth, tenacious,black, magnetite layer on a well protected boiler tube .

  • Turbine blades corrosion .

  • Severely water born scale in boiler tube

  • Short-Term Overheating

  • Caustic Corrosion

  • Chelant Corrosion

  • Low-pH Corrosion

  • Low-pH Corrosion

  • Oxygen Corrosion

  • Oxygen
    Corrosion

  • Hydrogen Damage

  • Stress Corrosion Crack

  • Impeller Feed Water Pump