Stainlesssteelfittingsareactuallyproductsthatarenotpronetocorrosion.Unlessinsomeseriouscircumstances,noproductcanresistcorrosion.Ifourstainlesssteelplatesarecorroded,itmayaffecttheirnormaluse.Therefore,inordertoavoidthissituation,westillneedtotakesomepreventivemeasures.Let'sfirstunderstandthecorrosionfactorsofstainlesssteelplates.
Inourdailylife,wecanseeallkindsofhouseholdutensilsmadeofstainlesssteeleverywhere.Stainlesssteelaccessorieshavebecomeanindispensablepartoflife.Thehardwareaccessoriesusedindifferentdevicesarealsodifferent,suchasfurniturecabinets,buildings,etc.So,howmanytypesofstainlesssteelhardwarefittingsarethereintotal?Next,theeditorwillintroducetoyouthetypesofstainlesssteelfittingsusedinvariousindustries.
Theruptureofthesingle-ribreinforcedteeisontheshoulderbranchpipeofthetee.Thisindicatesthatduetotheeffectofthereinforcingstructure,theweakpointofthethree-waypipeshiftsfromtheabdomentotheshoulderbranchpipe.Theweakeningcausedbythemainpipeopeninghasbeenstrengthenedtoacertainextent.However,intermsofendurancestrength,thevalueofthesingle-ribreinforcedteeis0.78,whichhasnotyetreachedthelevelofstrengthequivalenttothatofthestraightpipe.
InthefillingprocessofEPCcasting,masstransferisnotonlythecarrierofheattransferbutalsorestrictedbyheattransfer.Duringthepouringprocessofaluminumalloy6thgeneration:casting,thepatternmainlymeltsafterbeingheatedandrarelydecomposes.Moreover,thetemperaturearoundthemoldingsandisverylow.Theheattransferduringthefillingprocesshaslittleeffectonthedistributionofresidualpyrolysisproductsinthedrysand.Theliquidpyrolysisproductsthatpenetratethecoatinglayeronlyre-decomposeattheinterfacebetweenthecoatingandthedrysandorwithinaveryshortdistancefromthecoatingsurface.Andincastironcasting;Thedegreeofpatterncrackingisrelativelylarge,andthetemperatureofthecastingandmoldishigh.Thepyrolysisproductsthataretransferredmoreslowlywillbecarbonized.Inthepartsofthemoldwherethetemperatureisabove600℃,thealreadycondensedpyrolysisproductswillbeevaporatedagain,causingthemtodiffusefaraway.Itcanbeseenthatheatandmasstransferarebothveryimportantincastironcasting.Thereisalsoaspecialmasstransferphenomenoninthecastironcastingprocess,thatis,atacertaindistancefromthecoatinginthedrysand,thereisanareawithoutpyrolysisproducts.Itsformationisduetothefactthatthetemperatureatthislocationissufficienttoevaporatethecondensedpyrolysisproductsandcausethemtodiffuseoutward,butnottofurthercrackthem.
Theultimategoalofdesigningandmanufacturinganyvalveproductliesentirelyinitsapplication,andtheapplicationeffectisthemostauthoritativeevaluationoftheperformanceofthevalveproduct.Weknowthatvalvesarehighlyversatileproducts.However,evenforthesamevalveproduct,variousprojectswillnotputforwardexactlythesamerequirementsforit.Corrosionisoneoftheseriousproblemsfacedbymostvalvesincompletesetsofequipmentfortheproductionofgeneralpetrochemicalproducts.
