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PITTING CORROSION

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PITTING CORROSION

PITTING CORROSION

PITTING CORROSION

PITTING CORROSION

PITTING CORROSION

PITTING CORROSION NH3

CREVICE CORROSION

CREVICE CORROSION

CREVICE CORROSION

CREVICE CORROSION

CREVICE CORROSION

CREVICE CORROSION

CREVICE CORROSION

OXYGEN CONCENTRATION CELL OF CARBON STEEL

OXYGEN CONCENTRATION CELL OF CARBON LOW STEEL

GALVANIC SERIES