What Is the Basis of the Series of Letters After

question 10

Multiple Choice

What is the basis of the series of letters after the letter B in the AWS classification system for brazing alloys.

• A) It is the abbreviation of the alloy metals that can be brazed with this rod.
• B) They stand for the initials of the inventor of the alloy.
• C) They are radially selected by a board at the AWS.
• D) They are the atomic symbols of the metals that make up the alloy.