Tom Myers is a senior application engineer with 24 years of specialization in flux-cored and stick welding processes for The Lincoln Electric Company, 22800 Saint Clair Avenue, Cleveland, OH 44117-8542, 216-481-8100, www.lincolnelectric.com, tom_myers@lincolnelectric.com. He has served as a technical sales representative, corporate sales training manager and educational services manager responsible for training Lincoln’s technical sales force, many customers and distributors, and coordinating educational programs and services available to public and private welding schools.
Using a higher percentage of argon can increase the weld metal’s tensile strength, but it provides no additional value and may increase the chances of weld cracking. Here’s why.
The variety of shielding gases used in arc welding can be confusing as to when to use which gas for which application. Here are some basic guidelines to follow.
Tom Myers of Lincoln Electric examines the size and type of wire needed to weld out of position with a mild-steel, flux-cored wire as fast as possible.
Tom Myers of Lincoln Electric explains how a hole or divot in the crater of the weld sometimes appears when using flux-cored gas-shielded wire and how to prevent it from occurring.