1.1 This specification covers steel sheet, produced by the Twin-Roll Cast Process (see Appendix X2) and zinc-coated (galvanized) by the hot-dip process in coils and cut lengths.
Note 1: See Appendix X2 for a description of the Twin-Roll Cast process.
1.2 The product is produced in various zinc coating weights [masses] or coating designations as shown in Table 1.
1.3 Product furnished under this specification shall conform to the applicable requirements of the latest issue of Specification A924/A924M unless otherwise provided herein.
1.4 The product is available in a number of designations, grades and classes and in the two following general categories that are designed to be compatible with different application requirements.
1.4.1 Steels with mandatory chemical requirements and typical mechanical properties.
1.4.2 Steels with mandatory chemical requirements and mandatory mechanical properties.
1.5 This material is available in the following sizes:
1.5.1 Thickness—up to 0.078 in. [2.0 mm]