Filler Metal F No in Welding Certification: Key Designations Explained
An F-number is a classification for filler metals, which include electrodes and bare wire. It helps streamline welding procedure specifications (WPS) and welder performance criteria. F-numbers group filler metals by their operational characteristics, ensuring welders select the right materials for effective welding. For instance, F No. 1 includes low-carbon steel filler metals, ideal for general-purpose … Read more