Question

320 lec 12731 messier > quizzes (quiz#2) smaw - electrode selection a+ started: sep 21 at 10:51pm quiz instructions students will watch the video and then answer the q knowledge they have learned from the video. question 6 what do the first three digits in a five - digit classification stand for? welding position electrode chemical composition tensile strength

Explanation:

In welding - related five - digit classifications, the first three digits typically represent the tensile strength of the electrode. This is a standard in welding electrode classification systems to help welders select appropriate electrodes for different materials and applications based on the required strength.

Answer:

tensile strength