ASTM B499
Full Name
ASTM B499 – Standard Test Method for Measurement of Coating Thicknesses by the Magnetic Method: Nonmagnetic Coatings on Magnetic Basis Metals
Scope
This test method covers the use of magnetic instruments for the nondestructive measurement of the thickness of nonmagnetic coatings over ferrous or other magnetic base metals.
It is intended to supplement manufacturers’ instructions for the operation of the instruments and is not intended to replace them.
Keywords
coating thickness; magnetic method; nonmagnetic coating; magnetic basis metal; ferrous metal