This document presents recommendations to Oxyfuel welding, cutting, and heating/brazing torch nozzle manufacturers regarding the identification markings to be permanently applied to the torch nozzle to identify its intended application. The identification will provide information to improve the safe operation and application of nozzles by torch operators. This standard makes use of the International System of Units (SI).
ANSI/AWS C4.5M:2012 history
2012ANSI/AWS C4.5M:2012 Uniform Designation System for Oxyfuel Nozzles (3rd Edition)