There are certainly ISTA test protocols available to evaluate what type of physical damage might occur during your shipments. For guidance in selecting the proper testing procedure please reference the following link: http://pkgtestexperts.ista.org/Which-... If you'd like further guidance, please contact A.J. Gruber directly at email@example.com.
As for corrosion, there are several methodologies available for stand-alone water spray tests and salt fog tests:
ASTM G 85 : STANDARD PRACTICE FOR MODIFIED SALT SPRAY (FOG) TESTING
ASTM B 117: STANDARD PRACTICE FOR OPERATING SALT SPRAY (FOG) APPARATUS
ASTM B 368 : STANDARD METHOD FOR COPPER-ACCELERATED ACETIC ACID-SALT SPRAY (FOG)TESTING (CASS TEST)
ASTM D 1193 : STANDARD SPECIFICATION FOR REAGENT WATER
ASTM D 1654 : STANDARD TEST METHOD FOR EVALUATION OF PAINTED OR COATED SPECIMENSSUBJECTED TO CORROSIVE ENVIRONMENTS
Source: A.J. Gruber - ISTA