The following applications of various thicknesses of coating are submitted for information purposes only and are not to be construed as mandatory requirements in the use of this specification:

a. ASTM B545 outlines thicknesses for various service conditions in section 6, paragraph 6.1.

b. 0.0001 to 0.00025 inch (2.5 to 6.4 µm) for "tin flashing" of articles to be soldered.

c. 0.0002 to 0.0004 inch (5 to 10 µm) for articles to prevent galling or seizing.

d. 0.0003 inch (7.6 µm) minimum for articles generally plated to prevent corrosion of basis metals.

e. 0.0002 to 0.0006 inch (5 to 15 µm) for articles to prevent formation of case during nitriding.