Historical
AWS C1.4M/C1.4:2009
Specification for Resistance Welding of Carbon and Low-Alloy Steels
This specification establishes welding equipment requirements and welding procedures used to produce welds of acceptable quality in coated and uncoated carbon and low-alloy steels, including mild steels and high strength low-alloy (HSLA) steels
American Welding Society [aws]