AS 1397:2021 pdf free.Continuous hot-dip metallic coated steel sheet and strip一Coatings of zinc and zinc alloyed with aluminium and magnesium. AS 1397 specifies requirements for continuously hot-dip metallic coated sheet steel and strip supplied in thicknesses up to and including 5.0 mm. Requirements for product conformity to this Standard are given in Appndi&B. Requirements covered in this Standard are as follows: (a) Formability grades of steel. (b) Structural grades of steel. (c) Classes of zinc coating, including differential coatings. (d) Classes of zinc coating converted to zinc/iron alloy. (e) Classes of zinc/aluminium coatings. (f) Classes of zinc/aluminium/magnesium alloy coating. (g) Classes of aluminium/zinc alloy coating. (h) Classes of aluminium/zinc/magnesium alloy coating. (i) Surface finish. NOTE 1 Advice and recommendations on information to be supplied by the purchaser at the time of enquiry or order are contained In AppendixA. NOTE 2 The specified requirements apply to the full length and full width of the product supplied, unless otherwise indicated. NOTE 3 Within the description of the classes of coatings, the majority element present is listed first, followed by the next major element and followed by a third element if applicable. 1.2 Normative references The following documents are referred to in the…