ANSI/BHMA A156.18-2020

technical standard for metal finishes

Some hardware manufacturers specify finishes by the standard’s codes.

Sample Codes

Code Description Base Category Nearest US Standard
605 Bright Brass, clear coated Bronze A US3
612 Satin bronze, clear coated Brass A US10
618 Bright nickel plated, clear coated Brass, Bronze A US14
625 Bright chromium plated over nickel Brass, Bronze A US26
620 Satin nickel plated, blackened, satin relieved, clear coated Brass, Bronze C US15A