This part of JIS F 1034-3 specifies requirements for materials intended for use in the construction of ship hulls, superstructures and appendages, in particular the following materials: This part of JIS F 1034-3 applies to boats with a hull length (LH) of 24 m or less according to JIS F 0081. —Normal and high-strength hot-rolled steel plates for welding, wide flat steel, sections and bars. —Austenitic stainless steel processed into plates or profiles. —Wrought aluminum alloys processed as plates, profiles and extrusions. —Processed wood, wood in the form of plywood or veneer. —Other suitable materials.