ASTM A131/A131M-19

Detail information

Designation: ASTM A131/A131M-19

Publication date: 01/05/2019

Pages: 8

Country: American technical standard

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Anotation

This specification covers structural steel plates, shapes, bars, and rivets for use in ship construction. Materials under this specification can be categorized as ordinary strength and higher strength. Plates in all thicknesses shall be normalized or thermo-mechanical control processed while shapes and bars in all thicknesses shall be heat treated and rolled. Heat analysis of ordinary strength structural steel shall be used to determine the required chemical composition for carbon, manganese, phosphorus, sulfur, nickel, chromium, molybdenum, silicon, and copper. Same analysis shall be used to higher strength structural steel to determine the required chemical composition for carbon, manganese, phosphorus, sulfur, silicon, vanadium, aluminum, titanium, nickel, chromium, molybdenum, silicon, copper, nickel, and niobium. Materials shall conform to the required metallurgical structure which shall be evaluated by determining the average grain size. Mechanical properties such as elongation and toughness shall be evaluated using tension test and Charpy V-notch impact test.


Keywords:
bars, higher strength, ordinary strength, plates, rivets, shapes, ship construction, steel, structural steel,, ICS Number Code 47.020.05 (Materials and components for shipbuilding)