Historical
AWS D15.1/D15.1M:2007
Railroad Welding Specification for Cars and Locomotives
This specification establishes minimum standards for the manufacture and maintenance of railroad equipment. Clauses 4 through 17 cover the general requirements for welding in the railroad industry. Clauses 18 through 24 cover specific requirements for the welding of base metals thinner than 1/8 in [3 mm].
American Welding Society [aws]