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,,(,150046)MAGNETICPARTICLEINSPECTIONOFTHEFILLETWELDSINTHEHEATSURFACESEALINGPLATESOFABOILERZHANGPing,ZHANGSu-zhen,MENGLing-qing(HaperbinBoilerCompanyLimited,Haperbin150046,China):TG115.28+4:B:100026656(2001)0220079203,,300MWö600MW,600(TP304HTP347H),,CE70T91,9Cr1Mo,VNb,,,625TP304H80T91,1990T91300MW,,,,,11.1T9110%,,750790[1](1):2000207203,(2),,T91[2]13CrMoV43,51mm7mm,51mm8mm,63mm4mm,3175060029723220012NDTVol.23No.2Feb.2001©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.3(TIG),4mmT91,172A,25V,145mmömin,T91,T91,2002501.2,CYE22()CY21000(),LCT22,,150V,120A,(4),4,5A,25mm60mm,12s,23s,5A44N,A2,,(5,6),,,546202(1)51815100%,90%(2),,(3),,,,(4),50%,1.52.0mm,,575mm735(5),,08:©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,(6)7507901h,,3,,,,,,,,,,,,,:[1].[M].:,1979.[2],.T91T91[A].[C].1996.(63)Xn2F2-1e-AXnt-e-BXnt(t0)A=F-F2-1B=F+F2-1tXmax=1Xn1-F2arctg1-F2FXmax=Xne-FXntXmax[3],,22(PID),,,,5%,5%,40ms5,CEW210000,,:[1].[A].[C].:1991.[2].[M].:,1987.[3],.[M].:,1981.(78),,(1)13(1),(2)30mm,100mm,(3),,,,,,18:©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.
本文标题:锅炉受热面密封板角焊缝的磁粉检测
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