1.1 This specification covers magnesium alloys in sheet and plate form designated as shown in Table 1.1.2 The values stated in either inch-pound or SI units are to be regarded separately as standards. The SI units are shown in brackets or in sep This specification covers magnesium-alloy sheet and plate designated as AZ31B in temper types O, H24, and H26. The sheet and plate shall conform to the chemical composition requirements prescribed for magnesium, aluminum, manganese, zinc, calcium, copp