不锈钢钢材机械外文文献翻译中英文翻译外文翻译.docx
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不锈钢钢材机械外文文献翻译中英文翻译外文翻译.docx
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不锈钢钢材机械外文文献翻译中英文翻译外文翻译
外文原文:
StainlessSteel
Petro-chemicalindustrywithitsownproductionofsomeofthefeatures,suchasitsoperatingtemperaturerange,low-temperatureconditionsupto-196℃,temperaturescanreachmorethan500℃;operatingpressurethereisexternalpressure,vacuum,atmosphericpressure,mediumpressure,highpressure,ultra-highpressure(morethan100MPa);Inaddition,theoperatingenvironmentinthemediumcomplexity,suchastheexistenceofcorrosion,wearandtear,andflammable,explosive,toxicandothersolid,gaseous,liquidandavarietyofmixedmediachloride,sulfideandothersaltcategory.Therefore,thepetrochemicalindustryintheuseofstainlesssteel,therequirementsofstainlesssteelhasstrongcorrosionresistance,includinganti-chloride,sulfideandothercorrosivesalts;resistanttohightemperatureandlowtemperatureperformance.Amongthem,thepetrochemicalplantat500~600℃,theequipmentandpipematerialsingeneraltochooseavarietyofausteniticstainlesssteel-based,suchas304H,316,321,suchasausteniticstainlesssteelhasbeenwidelyused;andforoilexploration,thedevelopmentofthefieldofstainlesssteelwithanti-calledcarbondioxide,hydrogensulfidecorrosionproperties.Atpresent,China'scrudeoilexploration,developmentismainlyusedin3Cr,9Cr,13Cr,super13CrandcontainingmorethanCr22stainlesssteelthick-walled,non-magneticdrillcollaranddrillpipe.
Atpresent,China'spetrochemicalindustryinthestainlesssteelvarietyofchoice,ingeneralto304mainly,steelplatethicknessof6to22millimeters,themainpolymerusedintheconstructionofstoragetanks,heatexchangershell.Inaddition,somepiecesoftheuseofreactortower316L,TP347,etc.,thethicknessof2~6mm.Glacialaceticacidandliquiddeliveryvehicles(traintanker)Generaluseof304and306plate.Inaddition,productionofthedevicebecauseoftheexistenceofureacarbamateaminecondensate,ahighlycorrosive,generallystripper,separation,andtheuseof316Lstainlesssteelcondenser.Onthestainlesssteelcladplate,suchplatemainlyusedinoilrefiningequipmentreactiontower,commonlyusedfor20R+0Cr13AL,16MnR+0Cr13AL,20R+0Cr13such.Duetothesubstrate,rehabilitationmaterialsandproductionmethods,equipmentlimitations,domesticcompositesteelplatethickness,lengthfarfrombeingabletofullymeetthedemandsofthepetrochemicalindustry.Inaddition,thedomesticstainlesssteelplatesplicing,heattreatment,testingandothermeansyettobeimproved.
Asaresultofawiderangeofstainlesssteel,petrochemicalindustry,currentlyusedforthetypeofausteniticstainlesssteel,ofwhich304brandsofstainlesssteelplate,tubeforgingslargestamount,316,304L,316Loftheplate,tube,forgingalargeramount,ASTMstandardTP321,TP347,TP316brandsofboilertubes,heatexchangerisalsograduallyincreasingdosage.Inaddition,aspecialtwo-waystainlesssteelasaresultofcorrosionresistance,ChiangKai-shekinthepetrochemicalindustryhasbeenrapidpromotionanduse,ofwhichtwo-waygraduallyincreasingtheamountofstainlesssteeltubes.Atpresent,China'spetrochemicalindustryintheuseofstainlesssteelisabout70,000tons,ofwhichstainlesssteelplate(8mmormore)theamountofapproximately10,000tons,stainlesssteelcompositeplateisabout15,000tons,stainlesssteelseamlesssteeltubeisabout40,000tons,stainlesssteelpipeisabout5000tons.
Domesticstainlesssteelinthepetrochemicalfieldofapplicationofthereasonsfornotwidespread
Atpresent,thedomesticstainlesssteelinthepetrochemicalfieldofapplicationisnotextensive,mainlyinthefollowingreasons:
First,donotsupporttheissueofstandards.China'spetrochemicalindustryhasbeenformedtomeetthedevelopmentneedsofthestandardsystem;athomeandabroadforhigh-pressure,high-sulfur,carbondioxidehigh"threehigh"naturalgasproductionequipment,materialsmelting,manufacturing,testing,testingtechnologysubsidiarynormsandstandardsisstillincomplete.Second,productproblems.Inthisregard,mainlystainlesssteelplate,tube,forging,weldingmaterialisnotmatching.Third,theissuesize.Domesticmetallurgicalindustryneedsofthepetrochemicalindustryinthethickwideboard,large-diameter,thick-walledsteelpipeproductioncapacityisverylimited.Fourth,qualityissues,productqualitystainlesssteeltubeinstability.Fifth,researchanddevelopmentproblems.NewvarietiesofthedomesticstainlesssteelR&Dandproductionisstillunabletomeetthepetrochemicalindustry'sdevelopmentneeds.Inaddition,thestainlesssteelresearch,productionandexchangeofinformationbetweenusersoftheexistenceoftheproblempoor.Asaresultofthesefactors,theneedforstainlesssteelandpetrochemicalindustriestherearemanyvarietiesofdomesticenterprisescannotprovide,suchasfourmeterswideoftheheavyplateproductioninChinaisnotyet,therearemanyformsofstainlesssteelequipmentisimported.Inaddition,domesticenterprisesinproductdevelopmentwithforeignenterprisesisstilllaggingbehindcomparedto,forexample,somesteelcompaniesinEuropeeveryyeartolaunchadozennewvarietiesofstainlesssteel,andChineseenterprisesinthisrespect,theworkisnotenough.
Thefivemajortrendsinthepetrochemicalproposednewrequirementsforstainlesssteel
ThefutureofChina'spetrochemicalindustrywillmovetowardsthetopfivetrendsinthedevelopmentofstainlesssteelproductsandhigherrequirements.Firstofall,thefutureofChina'soilandgasfieldexplorationanddevelopmenteffortswillfurtherincrease.Suchascarbondioxidewillbeinjectedbackundergroundwaystoreducecarbondioxideemissionsandimprovetheoilrecoveryrate.Atthesametime,China'snaturalgasexplorationanddevelopmenteffortswillbegreaterthanthecrudeoilexplorationanddevelopment,andtothehighsulfurcontent,carbondioxideareadevelopment(16%hydrogensulfidecontent,carbondioxidecontentofabout8%),andwillfurtherdeepenthedepthofwells,landShamTsengwillexceedthe8000meters.Second,thepetrochemicalplantwillbelargescale.Ethyleneproductionofsingledevicewillexceedonemilliontons;refiningsinglefactoryrefiningcapacitymorethan15milliontons;ofpurifiedterephthalicacid(PTA)productioncapacityofasingleplantmorethan800,000tons;stainlesssteeltankstothelarge-scaledevelopment.Thethirdisrunpetrochemicalplantwillbealong-termdevelopment,andgraduallyoverhaulthecurrentcycleofthetransitionto3years.Fourth,thepetrochemicalproductionwilldiversifythesourceofmaterialsdevelopment.Withtheimprovementoftherequirementsofenvironmentalprotectionandenergyconsumptionstructure,usingnaturalgasasrawmaterialsofchemicalindustryisdevelopingrapidly.Asaresultofnaturalgasatminus160℃canbeachievedundertheconditionsofliquefaction,sotheneedforstainlesssteelstorageandtransportationequipment.Inaddition,asChina'sLNGimportsincreaseincoastalareasneedtoreceivelarge-scaleconstruction,workingcapitalandstoragefacilities,canbeexpectedinthisregardwillbeverylargestainlesssteelconsumption.
Thesepetrochemicalindustrydevelopmenttrendofstainlesssteelproducts,specificationsandvarietieshaveputforwardnewdemands.Fromanti-corrosionrequirements,thepetrochemicalindustryproductiondevicetemperature,pressure,mediaaremajorchangeshavetakenplace,stainlesssteelusedinamoreharshenvironment,anti-corrosionperformancebyasinglechangetothecompositeperformance.Intheprocessingperformance,therequirementsofstainlesssteelahigherintensity,bettertoughness,weldabilityandgoodprocessability.Ingeometry,therequirementsofstainlesssteelproductsandhighprecision,widthincreased,large-diametersteelpipe,steelpipewallthicknessincreased.Inthestandards,stainlesssteelproductionassoonaspossiblewithinternationalstandards.Inaddition,thepetrochemicalindustryasaresultofeachofwells,eachsetofconditionsofservicerefiningdevicethereisadifference,relatedstainlesssteelproductionenterprisesshouldbebasedontheactualsituationintheprovisionofpersonalizedservices.Inaddition,withtheincreasedusageofstainlesssteel,stainlesssteelusedineconomicsisevenmoreimportant.Therefore,thedomesticironandsteelenterprises,especiallythesteelpipeindustryshouldimprovethetechnologicalcontentofproductsandvalue-added,high-endproductmarketoccupation.Atpresent,manyEuropeansteelisnolongertheproductionoflowvalue-addedoilwellpipes,andwillfocusentirelyonhighadded-tube,thepreparationforthesehigh-endproductsoccupiedtheChinesemarket.(
Focus
Recently,ChinaSpecialSteelEnterprisesstainlesssteelbranchofLiCheng,executivepresidentofthestainlesssteelindustryintalkingaboutChina'sproblemsinthedevelopmentpointedoutthatthestainlesssteeltoreplaceimportsfromtheside,althoughcapacityhasbeenabletoachieveself-sufficiency,butinfactonlypartoftoreplaceimports,itisnecessarytofullyorlargelyreplacedbyimports,butalsodependsonourvarietyandqualityproductscanmeetthevariousrequirements.Healsopointedoutthatthemarketoffakeandshoddyproductsthatseriouslyendangerstheusersofstainlesssteel,itisproposedtoincreasetherelevantdepartmentsthecrackdown.
SaidLiCheng,China'sstainlesssteelproductioncapacityfromthealreadyself-sufficiencycanbeachieved,butonlyapartialsubstituteforimports.Commonmarketofthefour
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