ARMY MIL-STD-1907-1989 INSPECTION LIQUID PENETRANT AND MAGNETIC PARTICLE SOUNDNESS REQUIREMENTS FOR MATERIALS PARTS AND WELDMENTS [Superseded ARMY MIL-M-47230 CANC NOTICE 2 ARMY MI零.pdf
《ARMY MIL-STD-1907-1989 INSPECTION LIQUID PENETRANT AND MAGNETIC PARTICLE SOUNDNESS REQUIREMENTS FOR MATERIALS PARTS AND WELDMENTS [Superseded ARMY MIL-M-47230 CANC NOTICE 2 ARMY MI零.pdf》由会员分享,可在线阅读,更多相关《ARMY MIL-STD-1907-1989 INSPECTION LIQUID PENETRANT AND MAGNETIC PARTICLE SOUNDNESS REQUIREMENTS FOR MATERIALS PARTS AND WELDMENTS [Superseded ARMY MIL-M-47230 CANC NOTICE 2 ARMY MI零.pdf(19页珍藏版)》请在麦多课文档分享上搜索。
1、IIIIIIIIIIII IFUHWND 1MILATD-19077 September 19a9SUPJXSEDIKMIL-P-47L58(MI)7 June 1974MIL-M-47230(MT)26 Jily 1974MILrmlw S1ANDAAnINSPECTION, LlC?31DPEiiZTPAhTAND MAGNETIC PAKHCLS,SOUNDNESS REaJIRmm7!s KIR mTmIAM ,PARTS Am vmuMmrsAhi5CN/A AREA NLYmDISTRIBUTIONSTATEMEliTA. Apyov distribution isunlim.it
2、ed.:-.,Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-KtL-sTD-1907mRmm.D1. Tnis Milirary S.wrought prcdticts,areas ckerthan Weldnents - 9allrwable discontinuity sizes (in incke )and distribution; castings - 10USXim.m allrmble discontinuity sizes (in
3、 inches)and distribution; wsldmnts 11. .,.:. ivProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-STD-19071. SX)PE1.1 . This stardarddescribes the discqkinuity limits allc+edunder four quality level classifications for penetrant inspectionend threeq
4、uality level classifitions for mgnetic particle insp6ztion. The mterialsmy be forgings, castings, tubes, sheets, bars, etc. Fabrication stages my bemachined, umechined, welded, or unkelded parts/mterials.1.2 mplicetion guidance. This stax%.rd providee inspection criteria fordetermining mnfornwms to
5、soundness requirements for mterials, par- andW21dmnts . For Puqmses of this standzwd, the term WeMnsnt refers todemsitcxl filler rraterieland one-helf inch of base mtal adiacent to the toeof-the weld.I ems idered asIRx liquid pmetrant inspection,brazd joints-my also beweldmn”ts under this stamiard.1
6、Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-SIW19J7I2. APPLICABLE m2.1 Governmnt dcmnnsnts.2.1.1 Stmdards. The fol.kming stadards foniia part of this dcmmnt tothe extent sp2cifiad herein. Unless otherwise sp=cifiai, the issuesof thesedocumn=
7、are those listed in the issue of t-heKqartmmt of Defense IrKIe%ofSpxificationa and Standards (COOISS)and supplm=nt thereto, cited in thesolicitation(see 6.2).srANoAiu6MIL-SIW109 ity Aesurance Term and Efinitionsm.I.-5?rc-l949 Inspection,t4agneticParticleMIL-STB6866 Inspxtion, Liquid PenetrantUnlesso
8、therwise indicated,copies of fderal and military.spe+iicatio, SdS, and hardbcoka are available fran the NavalPublicationsard Forms CDm”b=, (ATIN: tWX6 ), 5801 *r Aveme,Philadelphia,PA 19i211-5099.)*2.2 Order of precedence. In the event of a conflict between the text oftnisdocent and +? reerencescite
9、d herein, the text ofprecedence. Nathing in this dcmxmnt, hoevec, supersedesrSWlaziOnS u!kss a +scif ic eenption has but, in ameinstzuxes,acmsl se-scions my mar. If present, laminations would beindicatedon the short transverse section of a unit. Short, intermittentlam-inationsmay not be objectiomble
10、 if the unit is ndt subjectsd to high bend-ing sresses. The c.xurrence of laminations usmlly can castings.PypeDiscmtinuityWunetallicincluaion, rounded:SurfaceSUbsurfam a71 *Sss hole.proaity/dcreteShrinkagecavitiesSurfam ,Subwrf ace a71*a71Crac&, hot tears,or cold rimtsShrinkage spmqe areas(ray inclc
11、desmllcavities, CavlCy stringersMicros.hrinkage (micrc-prosity)ktaxti cluster di-tezAlloy or mstallicphase segregationSurf aceSubSurf acea71 Distri&mion aesignatGrade A0.031 diaD-3*0.047 diaD-3*0.031 di.a*D-3*0.047 c3ia*D-3*o0.2500.063D_3*0.1250.25cms signifyGrade B0.047 dieD_3*0.063 diaD_3*0.047 di
12、a*D-3*0.063 dia*&3*o0.3750.183,p3*0.3750.5le following:D-2 Discontinuities no C1OSSC to each othermaxi.mm sizeGrade C0.063 diaD-3*0.094 dieD-3*0.063 dia”D-3*0.094 dia”D-3o0.6230.3133*1.51.5a71*4Grade D0.125 diaz.t4/A0.125*,*D_2*N/A0.25 long*-,1.25 dia*0.375D-3*1.51.5Ian two tin-estheD-3 Discontinuit
13、ies no closer to each other than three tti themaximum sizea71* Ths lM & for g= le ri ty for the individualgradersdo nOt Zqy if tkvoida are leas than one half the mxi.nwm sizes specifid ard are well dispersed.a71 * Shri&ge discontinuitiesme not alk$,+edif within 0.5 inch of an OUter edgeof a casting
14、seccion. * gnetic rticle inspection OiilY.a71* pmeran ins.=ction Only.10:Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-SIW1907TABLE III. &i.num allowibledismntinuicy sizes (in inches) ad distributionweld.mnts.Type DiswntinuityCraclcs, *id, or b
15、ase mtal(longi cudina.1, transverse,scar or crater, underWd,underside,em. )Wdd underctiteingor lack obead-edge fusion:Ease mstal less tn0.183 inch thickBase md O.ldd inchchicx and overWeld mwal voicb orinclusions, roanded:SsSe metal less than0.i&3 inch thickSase metal 0.198 ncnthick and overWald mta
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