ASTM_A_735_-_A_735M_-_12.pdf

Designation:A735/A735M12Standard Specification forPressure Vessel Plates,Low-Carbon Manganese-Molybdenum-Columbium Alloy Steel,for Moderate andLower Temperature Service1This standard is issued under the fixed designation A735/A735M;the number immediately following 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.1.Scope*1.1 This specification covers low-carbon manganese-molybdenum-columbium alloy steel plates for piping compo-nents and welded pressure vessels.1.2 Four different classes are covered,which provide vari-ous tensile strength properties.A Charpy V-notch energyabsorption requirement of 20 ftlbf 27J at 50F 45C isspecified for all grades.1.2.1 Classes 1 and 2 provide minimum yield strengthlevels of 65 ksi 450 MPa and 70 ksi 485 MPa respectively.Both classes can be provided in the as-rolled condition or in thequenched-and-tempered condition.1.2.2 Class 3 provides a minimum yield strength level of 75ksi 515 MPa.This grade can be provided in the as-rolled andprecipitation heat-treated condition or in the quenched-and-tempered condition.1.2.3 Class 4 provides a yield strength level of 80 ksi 550MPa in the as-rolled and precipitation heat-treated condition.1.3 Current practice limits plate thickness furnished underthis specification.The individual manufacturer should beconsulted on size and thickness limitations.1.4 Welding procedures are of fundamental importance andmust be such as not to adversely affect the properties of thematerial,especially in the heat-affected zone.It is presupposedthat welding procedures will be suitable for the materials beingwelded.1.5 The values stated in either inch-pound units or SI unitsare to be regarded separately as standard.Within the text,theSI units are shown in brackets.The values stated in eachsystem are not exact equivalents;therefore,each system mustbe used independently of the other.Combining values from thetwo systems may result in nonconformance with the specifi-cation.2.Referenced Documents2.1 ASTM Standards:2A20/A20M Specification for General Requirements for SteelPlates for Pressure VesselsA435/A435M Specification for Straight-Beam UltrasonicExamination of Steel PlatesA577/A577M Specification for Ultrasonic Angle-Beam Ex-amination of Steel PlatesA578/A578M Specification for Straight-Beam UltrasonicExamination of Rolled Steel Plates for Special Applica-tions3.General Requirements and Ordering Information3.1 Material supplied to this material specification shallconform to Specification A20/A20M.These requirements out-line the testing and retesting methods and procedures,permit-ted variations in dimensions,and mass,quality and repair ofdefects,marking,loading,and ordering information.3.2 Inadditiontothebasicrequirementsofthisspecification,certain supplementary requirements are availablewhen additional control,testing,or examination is required tomeet end use requirements.The purchaser is referred to thelisted supplementary requirements in this specification and tothe detailed requirements in Specification A20/A20M.3.3 Coils are excluded from qualification to this specifica-tion until they are processed into finished plates.Platesproduced from coil means plates that have been cut toindividual lengths from coil.The processor directly controls,oris responsible for,the operations involved in the processing ofcoils into finished plates.Such operations include decoiling,leveling,cutting to length,testing,inspection,conditioning,heat treatment(if applicable),packaging,marking,loading forshipment,and certification.NOTE1For plates produced from coil and furnished without heattreatment or with stress relieving only,three test results are reported for1This specification is under the jurisdiction of ASTM Committee A01 on Steel,Stainless Steel and Related Alloys and is the direct responsibility of SubcommitteeA01.11 on Steel Plates for Boilers and Pressure Vessels.Current edition approved May 1,2012.Published June 2012.Originallyapproved in 1976.Last previous edition approved in 2007 as A735/A735M 03(2007).DOI:10.1520/A0735_A0735M-12.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1Copyright by ASTM Intl(all rights reserved);each qualifying coil.Additional requirements regarding plates from coilare described in Specification A20/A20M.3.4 If the requirements of this specification are in conflictwith the requirements of Specification A20/A20M,the require-ments of this specification shall prevail.4.Materials and Manu