This Part is a service book to the other Code Sections, providing material specifications for ferrous materials adequate for safety in the field of pressure equipment.

These specifications contain requirements and mechanical properties, test specimens, and methods of testing. They are designated by SA numbers and are derived from ASTM "A" specifications.

Requirements for: Steel Pipe; Steel Tubes; Steel Flanges, Fittings, Valves & Parts; Steel Plates, Sheets & Strips for Pressure Vessels; Structural Steels; Steel Bars; Steel Bolting Materials; Steel Billets & Forgings; Steel Castings; Corrosion Resisting & Heat Resisting Steels; Wrought Iron, Cast Iron & Malleable Irons; Methods.