名称01e1662m standard specification for pressure vessel plaa662压力容器.pdfVIP

Designation:A662/A662M–011

StandardSpecificationfor

PressureVesselPlates,Carbon-Manganese-SiliconSteel,

forModerateandLowerTemperatureService1

ThisstandardisissuedunderthefixeddesignationA662/A662M;thenumberimmediatelyfollowingthedesignationindicatestheyear

oforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.

Asuperscriptepsilon()indicatesaneditorialchangesincethelastrevisionorreapproval.

1NOTE—TableX1.1wasincludededitoriallyinSeptember2002.

1.ScopeA578/A578MSpecificationforStraight-BeamUltrasonic

1.1Thisspecification2coversthreegradesofcarbon-ExaminationofPlainandCladSteelPlatesforSpecial

manganese-siliconsteelplatesintendedprimarilyforserviceinApplications3

weldedpressurevesselswhereimprovedlowtemperature

3.GeneralRequirementsandOrderingInformation

notchtoughnessisimportant.

1.2Theumthicknessofplatesislimitedonlybythe3.1Materialdtothismaterialspecificationshall

capacityofthecompositiontomeetthespecifiedmechanicalconformtoSpecificationA20/A20M.Theserequirements

propertyrequirements;however,currentpracticenormallyoutlinethetestingandretestingmethodsandprocedures,

limitstheumthicknessofplatesfurnishedunderthispermissiblevariationsindimensions,andmass,quality,and

specificationto2in.[50mm].repairofdefects,marking,loading,etc.

1.