ASTM-E45-2011-Standard-Test-Methods-for-Determining-the-Inclusion-Content-of-Steel

Designation:E45-11Standard Test Methods forDetermInlng the Incluslon Content of Steel1opt c,'int快as oftevzon,y9to过上ta.Rmb过n patenthendixat世t达y以上tteappoov1Rp4t年0)ndxates an oditoco]ctarege snoe the上ttEa0cceg0n1T90h%00 oedo Hse byogemo代59D洲X可D4*注子.1.Scope2.Referenced Documents1.1 These test methods cover a number of ecognized2.1 ASTM Srandards?procedures for detemrining the nonmetallic inclusion conentE3 Guide for Peparation of Metalbographic Specimensof wrought seel.Macroscopic methods include macmetch,E7 Terminology Relating to Metallographyfracture step-down,and magnetic particle ests.MicmoscopicE381 Method of Macroetch Testing Seel Bars,Billets,methods include five generally accepted systers of examina-Blooms and Forgingstion.In these micmoscopic methods,inchisions are assigned toE709 Guide for Magnetic Particl Testinga caegory based on similarities in morphology and notE768 Guide for Preparing and Evaluating Specimens fornecessarily on their chemical identity.Metallographic ech-Autoratic Inclusion Assessment of Seelnques that allow simple differentiation between rorphologi.E1245 Practice for Detemining the Inclusion or Second.cally simdilar inchisions are briefty discussed.While the meth-Phase Constituent Content of Metals by Automatic Imageods are primarily intended for rating inclusions constituentsAnalysissuch as carbides ntrides carbonitrides borides and ineme-E1444 Practice for Magnetic Particle Tstingtallic phases may be faed using some of the micmoscopicE1951 Guide forCalibrating Retices and Light Micmscopemethods.In some cases,alloys other than steels may be ratedMagnifcationsusing one or more of these methods;the methods will be22 SAE Standogrds:3described in emms of their use on steels.J422 Recormended Practice for Determination of Inclu-1.2 This practice covers procedures to petform JK-typesions in Steelinclusion ratings using automatic inage analysis in accomance23 Aerospace Moteria!Specifications.with micmscopic methods A and D.AMS 2300 Prercium Aimraft-Quality Steel Cleanliness:1.3 Depending on the type of steel and the popertiesMagnetic Particle Inspection Procedureequired,either a macmosoopic or a microsoopic method forAMS 2301,Aimraft Quality Steel Cleanliness:Magneticdeterining the inclusion content or combinations of the twoParticle Inspection Pmoceduremethods,may be found most satisfactory.AMS 2303,Aimraft Quality Seel Cleanliness Martensitic1.4 These test methods deal only with fecommended estCorrosion-Resistant Seels Magnetic Particle Inspectionmethods and nothing in them should be construed as definingPmocedureor establishing limits of acceptability for any grade of steel.AMS 2304 Special Aimeraft-Quality Steel Cleanliness:1.5 The values stated in SI units are o be fegamdled as theMagnetic Particle Inspection Procedurestandard.Values in parentheses ae conversions and are ap-2A ISO Skurnderds.4proximate.ISO 3763,Wmought Steels-Mfacroecopic Methods for As-1.6 Tris skandord doe5otRo时t扣dhe6aG对tsessing the Content of Nonmetal