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Designation:A 537/A 537M-08NTERNATIONALStandard Specification forPressure Vessel Plates,Heat-Treated,Carbon-Manganese-Silicon Steel1This standard is issued under the fixed designation A 537/A 537M;the number immediately following the designation indicates the yeaof 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 (g)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*1.4 The values stated in either inch-pound units or SI units1.1 This specification2 covers heat-treated carbon-are to be regarded separately as standard.Within the text,themanganese-silicon steel plates intended for fusion weldedSI units are shown in brackets.The values stated in eachpressure vessels and structures.system are not exact equivalents;therefore,each system is to1.2 Plates fumished under this specification are available inbe used independently of the other without combining values inthe following three classes:any way.YieldTensile2.Referenced DocumentsStrengthStrength,HeatThickness,min,ksimin,ksi2.1 ASTM Standards:3ClassTreatment[MPa][MPa]A 20/A 20M Specification for General Requirements for1Normalized2%in.and5070Steel Plates for Pressure VesselsunderA 435/A 435M Specification for Straight-Beam Ultrasonic【65 mm and1345][48可under]Examination of Steel PlatesOver2收to4in.4565A 577/A 577M Specification for Ultrasonic Angle-Beam[Over 65 to 100310][450Examination of Steel Platesmm]2Quenched2%in.and6080A 578/A 578M Specification for Straight-Beam Ultrasonicand temperedunderExamination of Rolled Steel Plates for Special Applica-【65 mm and415][550tionsunder]Over 2%to 4 in.5575[Over 65 to 100380]5153.General Requirements and Ordering Informationmm]3.1 Plates furnished supplied to this material specificationOver 4 to 6 in.4670[0ver100o1503151][485shall conform to Specification A 20/A 20M.These require-mm]ments outline the testing and retesting methods and procedures;3Quenched2%in.and5580permissible variations in dimensions;and mass,quality,andand temperedunder[65 mm and3801[550repair of defects,marking,loading,etc.underl3.2 Specification A 20/A 20M also establishes the rules forOver 2%to 4 in.5075[Over 65 to 100345]51the ordering information which should be complied with whenmm]purchasing material to this specification.Over 4 to 6 in.40703.3 In addition to the basic requirements of this specifica-[Over 100 to 150275]【485tion,certain supplementary requirements are available whenmm]additional control,testing,or examination is required to meet1.3 The maximum thickness of plates fumished under thisend use requirements.These include:specification is 4 in.[100 mm]for Class 1 and 6 in.[150 mm]3.3.1 Vacuum treatment,for Class 2 and Class 3.3.3.2 Additional or special tension testing,3.3.3 Impact testing,andThis specification is under the jurisdiction of ASTM Committee A0l on Steel,3.3
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