1、An American National StandardDesignation:A 240/A 240M-03bNTERNATIONALStandard Specification forChromium and Chromium-Nickel Stainless Steel Plate,Sheet,and Strip for Pressure Vessels and for GeneralApplicationsThis standard is issued under the fixed designation A 240/A 240M;the number immediately fo
2、llowing the designation indicates the yearof 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
3、 for use by agencies of the Department of Defense.1.ScopeJ 1086 Practice for Numbering Metals and Alloys(UNS)61.1 This specification2 covers chromium,chromium-nickel,3.General Requirementsand chromium-manganese-nickel stainless steel plate,sheet,and strip for pressure vessels and for general applica
4、tions.3.1 The following requirements for orders for material1.2 The values stated in either inch-pound units or SI unitsfurnished under this specification shall conform to the appli-are to be regarded separately as standard.The values stated incable requirements of the current edition of Specificati
5、oneach system are not exact equivalents;therefore,each systemA480/A480M.must be used independently of the other.Combining values3.1.1 Definitions;from the two systems may result in nonconformance with the3.1.2 General requirements for delivery:specification.3.1.3 Ordering information;1.3 This specif
6、ication is expressed in both inch-pound and3.1.4 Process:SI units.However,unless the order specifies the applicable3.1.5 Special tests;Mspecification designation(SI units),the material shall be3.1.6 Heat treatment:furnished in inch-pound units.3.1.7 Dimensions and permissible variations:3.1.8Workman
7、ship,finish and appearance;2.Referenced Documents3.1.9 Number of tests/test methods:2.1 ASTM Standards:3.1.10 Specimen preparation;A 370 Test Methods and Definitions for Mechanical Testing3.1.11 Retreatment;of Steel Products3.1.12 Inspection;A 480/A 480M Specification for General Requirements for3.1
8、.13 Rejection and rehearing;Flat-Rolled Stainless and Heat-Resisting Steel Plate,3.1.14 Material test report;Sheet,and Strip3.1.15 Certification;andA 923 Test Methods for Detecting Detrimental Intermetallic3.1.16 Packaging,marking,and loading.Phase in Wrought Duplex Austenitic/Ferritic StainlessStee
9、ls4.Chemical CompositionE 112 Test Methods for Determining Average Grain Size4.1 The steel shall conform to the requirements as toE 527 Practice for Numbering Metals and Alloys(UNS)chemical composition specified in Table 1 and shall conform to2.2 SAE Standard:applicable requirements specified in Spe
10、cification A 480/A480M.5.Mechanical Properties5.1 The material shall conform to the mechanical propertiesThis specification is under the jurisdiction of ASTM Committee A01 on Steel,specified in Table 2.Stainless Steel and Related Alloys and is the direct responsibility of SubcommitteeA01.17 on Flat-
11、Rolled and Wrought Stainless Steel.5.2 When specified by the purchaser,Charpy impact testsCurrent edition approved May 10.2003.Published June 2003.Originallyshall be performed in accordance with Supplementary Require-approved in 1940.Last previous edition approved in 2003 as A 240/A 240M-03a.ment S1
12、.*For ASME Boiler and Pressure Vessel Code applications see related Specifi-cation SA-240 in Section II of that Code.Annual Book of ASTM Standards.Vol 01.03.Annual Book of ASTM Standards,Vol 03.01Available from Society of Automotive Engineers,400 Commonwealth Dr.Annual Book of ASTM Standards,Vol 01.
13、01.Warrendale,PA 15096.*A Summary of Changes section appears at the end of this standard.Copyright ASTM Intemational.100 Barr Harbor Drive.PO Box C700,West Conshohocken,PA 19428-2959.United States.6.Materials for High-Temperature Service6.2 Supplementary Requirement S2 shall be invoked when6.1 The a
14、ustenitic H Types shall conform to an averagenon-H grade austenitic stainless steels are ordered for ASMEgrain size of ASTM No.7 or coarser as measured by TestCode applications for service above 1000F 540C.Methods E 112.xE cOr050Aaool-a005-0A80-0T90-0E900V030091080A8o300XE-CE UXo-d:.8.5F05F002015150
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17、20815000020-08053020890990200230120:550草08-0020070500000.m560626252898283828982838283828382940304130080元:050484048157082215952535202099525258-5704201299990904000405-575,05100202048901531罩01090209020900202030130120908-060310903109031090310907302308303050357565557555654H381020420620525905209208-o8108-08-0608-060-060208020802080207020802020907090595055042089365020805202号09070907090709070920520520202042oO-050062042062042092012512597570889888857055822152100008985700684570818105655989988888888885500888888888月8月3月83888388804g995999999998999999g989899888月8月月888月8月月c63:了