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    ASTM A320/A320M-22a

    Standard Specification for Alloy-Steel and Stainless Steel Bolting for Low-Temperature Service
    • 발행일 : 2022-11-01
    • 발행기관 : ASTM
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분야 01.01 : 철강-배관, 튜브, 관이음쇠
적용범위

1.1?This specification2 covers alloy and stainless steel bolting materials and bolting components for pressure vessels, valves, flanges, and fittings for low-temperature service. See Specification A962/A962M for the definition of bolting. The bars shall be hot-wrought and may be further processed by centerless grinding or by cold drawing. Austenitic stainless steel may be solution annealed or annealed and strain-hardened. When strain hardened austenitic stainless steel is ordered, the purchaser should take special care to ensure that Appendix X1 is thoroughly understood.

1.2?Several grades are covered, including both ferritic and austenitic steels designated L7, B8, etc. Selection will depend on design, service conditions, mechanical properties, and low-temperature characteristics. The mechanical requirements of Table 1 indicate the diameters for which the minimum mechanical properties apply to the various grades and classes, and Table 2 stipulates the requirements for Charpy impact energy absorption. The manufacturer should determine that the material can conform to these requirements before parts are manufactured. For example, when Grade L43 is specified to meet the Table 2 impact energy values at ?150 °F [?101 °C], additional restrictions (such as procuring a steel with lower P and S contents than might normally be supplied) in the chemical composition for AISI 4340 are likely to be required.

Note 1:?The committee formulating this specification has included several grades of material that have been rather extensively used for the present purpose. Other compositions will be considered for inclusion by the committee from time to time as the need becomes apparent. Users should note that hardenability of some of the grades mentioned may restrict the maximum size at which the required mechanical properties are obtainable.

1.3?The following referenced general requirements are indispensable for application of this specification: Specification A962/A962M.

1.4?Nuts for use with bolting are covered in Section 10 and the nut material shall be impact tested.

1.5?Supplementary Requirements are provided for use at the option of the purchaser. The supplementary requirements shall apply only when specified in the purchase order or contract.

1.6?This specification is expressed in both inch-pound units and SI units; however, unless the purchase order or contract specifies the applicable M specification designation (SI) units, the inch-pound units shall apply.

1.7?The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.

1.8?This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
국제분류(ICS)코드 77.080.20 : 일반 강철
21.060.01 : 조임쇠 일반
페이지수 8
Edition 22a

이력정보

No. 표준번호 표준명 발행일 상태
1 ASTM A320/A320M-24a상세보기 Standard Specification for Alloy-Steel and Stainless Steel Bolting for Low-Temperature Service 2024-10-15 표준
2 ASTM A320/A320M-24a REDLINE상세보기 Standard Specification for Alloy-Steel and Stainless Steel Bolting for Low-Temperature Service 2024-10-15 표준
3 ASTM A320/A320M-24 REDLINE상세보기 Standard Specification for Alloy-Steel and Stainless Steel Bolting for Low-Temperature Service 2024-03-01 구판
4 ASTM A320/A320M-24상세보기 Standard Specification for Alloy-Steel and Stainless Steel Bolting for Low-Temperature Service 2024-03-01 구판
5 ASTM A320/A320M-22a상세보기 Standard Specification for Alloy-Steel and Stainless Steel Bolting for Low-Temperature Service 2022-11-01 구판
6 ASTM A320/A320M-22a REDLINE상세보기 Standard Specification for Alloy-Steel and Stainless Steel Bolting for Low-Temperature Service 2022-11-01 구판
7 ASTM A320/A320M-22 REDLINE상세보기 Standard Specification for Alloy-Steel and Stainless Steel Bolting for Low-Temperature Service 2022-05-01 구판
8 ASTM A320/A320M-22상세보기 Standard Specification for Alloy-Steel and Stainless Steel Bolting for Low-Temperature Service 2022-05-01 구판
9 ASTM A320/A320M-21a상세보기 Standard Specification for Alloy-Steel and Stainless Steel Bolting for Low-Temperature Service 2021-03-01 구판
10 ASTM A320/A320M-21a REDLINE상세보기 Standard Specification for Alloy-Steel and Stainless Steel Bolting for Low-Temperature Service 2021-03-01 구판
11 ASTM A320/A320M-21상세보기 Standard Specification for Alloy-Steel and Stainless Steel Bolting for Low-Temperature Service 2021-01-01 구판
12 ASTM A320/A320M-18상세보기 Standard Specification for Alloy-Steel and Stainless Steel Bolting for Low-Temperature Service 2018-06-01 구판
13 ASTM A320/A320M-18 REDLINE상세보기 Standard Specification for Alloy-Steel and Stainless Steel Bolting for Low-Temperature Service 2018-06-01 구판
14 ASTM A320/A320M-17b상세보기 Standard Specification for Alloy-Steel and Stainless Steel Bolting for Low-Temperature Service 2017-10-01 구판
15 ASTM A320/A320M-17a상세보기 Standard Specification for Alloy-Steel and Stainless Steel Bolting for Low-Temperature Service 2017-05-01 구판
16 ASTM A320/A320M-17상세보기 Standard Specification for Alloy-Steel and Stainless Steel Bolting for Low-Temperature Service 2017-03-15 구판
17 ASTM A320/A320M-15a상세보기 Standard Specification for Alloy-Steel and Stainless Steel Bolting for Low-Temperature Service 2015-11-01 구판
18 ASTM A320/A320M-15상세보기 Standard Specification for Alloy-Steel and Stainless Steel Bolting for Low-Temperature Service 2015-05-01 구판
19 ASTM A320/A320M-14상세보기 Standard Specification for Alloy-Steel and Stainless Steel Bolting for Low-Temperature Service 2014-05-01 구판
20 ASTM A320/A320M-11a상세보기 Standard Specification for Alloy-Steel and Stainless Steel Bolting for Low-Temperature Service 2011-11-01 구판
21 ASTM A320/A320M-11상세보기 Standard Specification for Alloy-Steel and Stainless Steel Bolting for Low-Temperature Service 2011-05-01 구판
22 ASTM A320/A320M-10a상세보기 Standard Specification for Alloy-Steel and Stainless Steel Bolting for Low-Temperature Service 2010-11-01 구판
23 ASTM A320/A320M-10상세보기 Standard Specification for Alloy-Steel and Stainless Steel Bolting for Low-Temperature Service 2010-05-01 구판
24 ASTM A320/A320M-08상세보기 Standard Specification for Alloy-Steel and Stainless Steel Bolting Materials for Low-Temperature Service 2008-03-15 구판
25 ASTM A320/A320M-07a상세보기 Standard Specification for Alloy-Steel and Stainless Steel Bolting Materials for Low-Temperature Service 2007-09-01 구판
26 ASTM A320/A320M-07상세보기 Standard Specification for Alloy-Steel and Stainless Steel Bolting Materials for Low-Temperature Service 2007-03-01 구판
27 ASTM A320/A320M-05a상세보기 Standard Specification for Alloy-Steel and Stainless Steel Bolting Materials for Low-Temperature Service 2005-07-12 구판
28 ASTM A320/A320M-05상세보기 Standard Specification for Alloy-Steel and Stainless Steel Bolting Materials for Low-Temperature Service 2005-05-01 구판
29 ASTM A320/A320M-04상세보기 Standard Specification for Alloy-Steel and Stainless Steel Bolting Materials for Low-Temperature Service 2004-07-01 구판
30 ASTM A320/A320M-03상세보기 Standard Specification for Alloy-Steel Bolting Materials for Low-Temperature Service 2003-05-10 구판
31 ASTM A320/A320M-02상세보기 Standard Specification for Alloy/Steel Bolting Materials for Low-Temperature Service 2002-03-10 구판
32 ASTM A320/A320M-00b상세보기 Standard Specification for Alloy/Steel Bolting Materials for Low-Temperature Service 2002-03-10 구판
33 ASTM A320/A320M-01상세보기 Standard Specification for Alloy/Steel Bolting Materials for Low-Temperature Service 2002-03-10 구판
34 ASTM A320/A320M-97상세보기 Standard Specification for Alloy/Steel Bolting Materials for Low-Temperature Service 구판

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