tailieunhanh - Standard Specification for Alloy Steel Forgings for High-Strength Pressure Component Application

This specification covers requirements for high-strength quenched and tempered alloy steel forgings for pressure vessels, isostatic presses, shock tubes, and similar components. | Designation A723 A723M 10 Reapproved 2015 Standard Specification for Alloy Steel Forgings for High-Strength Pressure Component Application1 This standard is issued under the fixed designation A723 A723M 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. 1. Scope A788 A788M Specification for Steel Forgings General Re- 2 This specification covers requirements for high- quirements strength quenched and tempered alloy steel forgings for pres- Other Standards sure vessels isostatic presses shock tubes and similar com- ASME Boiler and Pressure Vessel Code 4 ponents. 3. Ordering Information and General Requirements These materials are not intended for welded construc- tion. In addition to the ordering information required by Specification A788 A788M the purchaser shall include with Three grades of nickel-chromium-molybdenum steels the inquiry and order a detailed drawing sketch or written and six classes of increasing tensile strength are included. The description of the forging and the method of selecting test strength class section size and configuration of the forging location see . When appropriate the areas of significant will largely dictate the applicable type s of steel. loading in the forging shall be designated. The purchaser may The values stated in either inch-pound units or SI also include appropriate supplementary requirements from metric units are to be regarded separately as the standard. Specification A788 A788M as well as from this specification. Within the text and tables the SI units are shown in brackets. Material supplied to this specification shall conform to The values stated in each system are not exact equivalents the requirements of Specification A788 A788M which out- therefore each