Ascott Corrosion Test Chambers

Corrosion Testing Standards

The test standard summaries are for general guidance only. Though believed to be accurate at the time of writing, this may change over time. So this information should not be used as a substitute for referring to a complete test standard, at an appropriate revision level.
Note: the terms salt spray, salt mist & salt fog are all in wide spread use within corrosion test standards. In this context they can be considered to be equivalent and interchangeable terms.

ISO 6270 -2 (AHT)

Procedure for exposing test specimens in condensation-water atmospheres.

This test standard replaces and is similar to DIN 50 017*.

Test AHT (condensation atmosphere with alternating humidity & air temperature) requires changing temperature conditions of 40°C to 18-28°C, during which humidity changes from condensation level of c.100%RH towards ambient humidity level.

* The correlation between the above 6270-2 test method and the DIN 50 017 test methods, is:
6270-2 method AHT is equivalent to DIN 50 017 method KFW.

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