Proven processes, techniques, and procedures for welding aluminum hulls and related ship structures. The information presented applies chiefly to the welding of aluminum hulls that are over 30ft (9m) in length and made of sheet and plate 3/16 in. (4.8 mm) thick and greater. The distinction is made because of the different requirements for welding thin-gauge (less than 3/16 in.) and thick-gauge (1/4 in. and over) aluminum.
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