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[板材质检判定复习题].doc[板材质检判定复****题]ReviewofsheetqualityinspectionFillintheblanks:mondefectofcoilshapeofcoldroll,(tower),pine(flatroll,roll),inflexed,(670)mmormore,canbeconsideredasrerollrevision・alongtailreferstotheheadortailofasteelcoil(tongue)or(fishtail),(clearlyvisible),thereareobvious(colordifference),thereisobviousconcaveandconvexfeelingorunevenfeeling,ismassive,dimpleorfilmappear,theareaisgreaterthan(3mm)・thesteelsectionappears(continuous)orintermittentseparationlayer・Sometimesvisibleinthegapoftheseparationlayer(inclusions),andsomestratificationisnotobvious,onlyafterthesteelplatedeformationcanbefound.(SPHC)steelontheironoxidedefectsintostrictrequirements,,continuouslyorintermittentlydistributesinthesteelplatepartialorentire・Thestripisscratchedinthehightemperaturezoneandscratches(without)metallicluster,andscratches(has)metalliclusteratroomtemperature・thesteelplatesurfacealongtherollingdirectionoftheemergenceofperiodic,irregularappearanceofthepit,knownas(LuoYin).themeatisthesurfaceofthesteelplateappears(periodicallyraised),orthefrontmillproducesabulge,rolledbytherearmillandformed(folded)onthesurfaceofthesteelplate・steelplateintheverticalandhorizontaldirection

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