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TheironercanopyimprovesironerperformancebyhelpingtoretainheatwithintheironerminimizingtemperaturelossandprovidingforamoretemperateworkplaceLightweightandeasytoremovestackandslideThecanopyalsopreventsforeignobjectsfromfallingbetweentherollersanddamagingtheironerchestandpaddingTrulyinsulatedsectionalizedcanopycarryinganR-ValueofR-5.7IRONERCANOPYDIFFERENCECompetitorsPoly-carbonatenon-insulatedcanopywithminimalR-ValueresultinginheatlossNon-slidinglift-offdesignRigidWallChestBraunsrigidwallchestisathickwallpolishedsteelchesttestedto425psihydrostaticallyandASMEstampedandcertified.Ifapieceofmetalshouldgothroughtheironerandgougethechestitcanberepaired.CHESTDIFFERENCESCompetitorsFlexChestisaheatedsingle-layerchestsurroundingpaddedrolls.Ahydrauliccylinderandleversystemappliespressureontheendsoftheflexiblechesttowrapthechestaroundtherollstoapplyauniformironingpressureagainsttherollsovertheentirefaceofthechest.Eachflexiblesingle-layerchestisheatedthroughapluralityofparallelsteamtubesaffixedtothebackofthechestatspacedintervals.Theconcernwiththechestdesignisthethickness2-3millimeters.Ifapiecefmetalshouldgothroughtheironerandgougethechestthechestmustbereplaced.FlexChestWrappingEffectRegardlessoftheirmolecularstructurethinnermetalsaremorelikelytolosetheiroriginalshapethanthickermetals.Ingeneralthiscanbeduetofastandcontinuoustemperaturechangesandorchloridestresscorrosioncracking.BothreactionsareexplainedbelowAsamatterofphysicsmetalwillexpandandcontractasthetemperaturechanges.Quickvariationsoftemperaturecreatemetalfatigue.Becausethinmetalsareweakerandthusmorelikelytofatiguetheyarealsolesslikelytoreturntotheiroriginalshape.Injectinglivesteamataminimumof325Fintoathinchestironerwilleventuallyresultinmetalfatigue.StainlesssteelsmaybesusceptibletochloridestresscorrosioncrackingCSCC.Thestandard304304Land316316Lgradesaremostsusceptible.Weknowofseveralplantsthatneededtoreplacetheirthinflexiblechestduetocorrosioncrackingwhichresultedinsteamleaksanotherincidentthatwouldhaveanegativeimpactonproductionandfinishingquality.ConclusionWhenusingathinchestinasteamironerfailureisunpredictablebutverylikely.