Pitting and crevice corrosion test, ASTM G48

Technical specifications:

• Aging of samples in 10 % FeCl3 solution
• Method A
• Test at 22 and 50 °C or according to the planned operating temperatureTest duration up to 72 h
• Determination of the onset of pitting by instrumented testing
• Characterisation of the corrosion phenomena
• Method C
• Gradual heating by 5 K (0 - 85 °C)
• Determination of the critical pitting temperature (CPT value)
• Application: Materials in chloride-impregnated application areas, higher alloy steels