tailieunhanh - Standard Specification for Pressure Vessel Plates, Alloy Steel, High-Strength, Quenched and Tempered

This specification covers high-strength quenched and tempered alloy steel plates intended for use in fusion welded boilers and other pressure vessels. This specification includes a number of grades as manufactured by different producers, but all having the same mechanical properties and general characteristics. | Designation A517 A517M 10 Reapproved 2015 Standard Specification for Pressure Vessel Plates Alloy Steel High-Strength Quenched and Tempered1 This standard is issued under the fixed designation A517 A517M the number immediately following the designation indicates the year of original adoption or in the case of revision the year of last revision. A number in parentheses indicates the year of last reapproval. A superscript epsilon indicates an editorial change since the last revision or reapproval. This standard has been approved for use by agencies of the . Department of Defense. 1. Scope A578 A578M Specification for Straight-Beam Ultrasonic This specification2 covers high-strength quenched and Examination of Rolled Steel Plates for Special Applica- tempered alloy steel plates intended for use in fusion welded tions boilers and other pressure vessels. 3. General Requirements and Ordering Information This specification includes a number of grades as manufactured by different producers but all having the same Plates furnished to this material specification shall mechanical properties and general characteristics. conform to Specification A20 A20M. These requirements out- line the testing and retesting methods and procedures permit- The maximum thickness of plates furnished under this ted variations in dimensions and mass quality and repair of specification shall be as follows defects marking loading and ordering information. Grade Thickness A B in. 32 mm In addition to the basic requirements of this H S 2 in. 50 mm specification certain supplementary requirements are available P 4 in. 100 mm F in. 65 mm when additional control testing or examination is required to E Q 6 in. 150 mm meet end use requirements. The values stated in either inch-pound units or SI units If the requirements of this specification are in conflict are to be regarded separately as standard. Within the text the with the requirements of Specification A20 A20M the .