我们出厂的每个产品都要经过严格的调试检验，Boiler Tube产品规格如下：
我厂每一款产品都要经过严格的调试检验，BoilerTube产品规格如下：
Description
ASTMA213AlloySteelChemicalComposition(%,max)
ASTMA213AlloySteelMechanicalproperties:
ASTMA213SteelTubesOutsideDiameterandWallThicknessTolerance
AlloySteelBoilerandHeatExchangerTubes
ASTMA213StandardScope
1.1Thisspecificationcoversseamlessferriticandausteniticsteelboiler,superheater,andheat-exchangertubes,designatedGradesT91,TP304,etc.ThesesteelsarelistedinTables1and2.
1.2Gradescontainingtheletter,H,intheirdesignation,haverequirementsdifferentfromthoseofsimilargradesnotcontainingtheletter,H.Thesedifferentrequirementsprovidehighercreep-rupturestrengththannormallyachievableinsimilargradeswithoutthesedifferentrequirements.
1.3Thetubingsizesandthicknessesusuallyfurnishedtothisspecificationare1/8in.[3.2mm]ininsidediameterto5in.[127mm]inoutsidediameterand0.015to0.500in.[0.4to12.7mm],inclusive,inminimumwallthicknessor,ifspecifiedintheorder,averagewallthickness.Tubinghavingotherdiametersmaybefurnished,providedsuchtubescomplywithallotherrequirementsofthisspecification.
1.4ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Withinthetext,theSIunitsareshowninbrackets.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.Theinch-poundunitsshallapplyunlessthe
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