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Prior to 1983, the ASME Boiler and Pressure Vessel Code, Section IX, Welding and Brazing Qualifications [7] was the only widely available standard for aluminum welding. Many aluminum structures other than pressure vessels were welded in accordance with the provisions of the Boiler and Pressure Vessel Code, therefore, due to the lack of an alternative standard. In 1983, the American Welding Society's (AWS) D1.2 Structural Welding Code—Aluminum [21] was introduced as a general standard for welding any type of aluminum structure (e.g., light poles, space frames, etc.). In addition to rules for qualifying aluminum welders and weld procedures, D1.2 includes design, fabrication, and inspection requirements. There are other standards that address specific types of welded aluminum structures, such as ASME B96.1 Welded Aluminum-Alloy Storage Tanks, AWS D15.1 Railroad Welding Specification—Cars and Locomotives, and AWS D3.7 Guide for Aluminum Hull Welding.

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