QB/T 3814-1999
Surface examination method of the metal deposits and conversion coatings for the light industrial products (English Version)

Standard No.

QB/T 3814-1999

Language

Chinese, Available in English version

Release Date

1986

Published By

Professional Standard - Light Industry

Latest

QB/T 3814-1999

Scope

This method is suitable for testing the appearance quality of metal coatings and chemically treated layers, including various surface defects, roughness and brightness.

QB/T 3814-1999 history

• 1986 QB/T 3814-1999 Surface examination method of the metal deposits and conversion coatings for the light industrial products