Answer
Oct 01, 2025 - 12:54 PM
The numbers on flux core wire indicate the wire’s classification and important properties, such as its tensile strength and recommended welding positions. For example, in "E71T-11," "71" refers to a tensile strength of 71,000 psi, "T" means it is a tubular (flux-cored) wire, and "11" specifies the wire's usability and characteristics. These numbers help welders select the right wire for their project.
