简介：Ferriticstainlesssteel(FSS)forvariousapplicationswasdevelopedonthebasisofThermo-calcsimulation.Alloydesign,precipitateanalysisandprocessingparametersoptimizationwerecarriedoutonthebasisofthesimulationresultsaccordingtothetechnicalrequirementsoftheapplications.Thesedevelopedproductshaveoutstandingproperties,suchasmechanicalstrength,ductility,formability,weldabilityandcorrosionresistance.BaosteelhasformedaseriesofFSSproductswhichwillincreasetheprofitofthecompanyandenhancetheproductvarietyofstainlesssteel.

简介：Thesurfacetreatmenttechnologycanimprovethecorrosionresistanceofsteelsheetsandincreasethevalueofsteelapplication.ThesurfacetreatedsteelsheetsinBaosteelincludezincgalvanizedsteelsheets,singalvanizedsteelsheets,chromiumgalvanizedsteelsheets,andcolourcoatingsteelsheetswiththeapplicationintheareafromconstructiontoautomobiles,appliance,package,etc.Thedevelopment,applicationandmanufacturingtechniqueoftheseproductshavebecomethecorecompetitionpowerofBaosteel.ThearticlereviewsthedevelopmentsofsurfacetreatedsteelsheetsandsurfacetreatmenttechnologiesinBaosteelin10years,especiallyhotdipgalvanizedhighstrengthsteelproductsusedinvehicles.ThearticlealsolooksforwardintofurtherdevelopmentsofsurfacetreatmentsteelproductsandtechnologiesinBaosteel,whichwillfocuson:①thenewproductsofhotdipgalvanizedadvancedhighstrengthsteels;②moreenvironmentalfriendlyproductsorfunctionalcoatingproducts;③thedevelopmentofsurfacetreatmenttechnologiestomeettherequirementofhighersurfacequalityinthemarcket;④newtypeofsurfacetreatmentandcoatingtechnologies.

简介：Highfunctionalitygiventosteelproductsresultsinanincreaseofenvironmentalloadsinthesteelmakingstage.However,atthestageoftheirutilization,thehigh-functionalsteelproductsprovetobemoreenvironmentallyfriendlythantheirconventionalcounterpartsinmanycases.Inviewofthiscontradiction,theevaluationonthecontributionofsteelproductstoenvironmentalimprovementrequiresamoreintegratedapproach-LifeCycleAssessment(LCA),whichincorporatestheeffectsovertheproducts'entirelifecycles.Thispaperdiscussestherelationshipbetweentheimprovementofsteelproducts'performanceandtheaccordingenvironmentalimpactfromtheentirelifecycleperspectives.Howtoevaluateandassessthecontributionofhigh-functionalsteelproductstoenvironmentalimprovementusingLCAmethodisexplainedindetail.TwocasestudiesofBaosteelaregiventosubstantiatetheeffectivenessofLCAasascientificandsystematicmethodforeco-materialevaluationoreco-design:①Forapowertransformer,byreplacingsiliconsteelB30G130withB30P110,thecarbondioxideemissionswerereducedby15.1%overthelifecycleofthetransformer.②TinplatesteelofBaosteelusedfortwo-piecesteelcansexperiencedsixreductionsinthicknessfrom0.28mmto0.225mm,whichresultsina14.5%emissionreductionoverthelifecycleoftwo-piecesteelcans.

简介：Thehistoryofthedevelopmentofthetube&pipedivisionofBaosteelwasreviewedinthearticle,focusingontheprocessoftechnicalinnovationandtheproductcategoryenrichment.Thankstothetechnicalinnovation,theφ140productlinehasbecomethemostefficientoneintheworld.Withtheadvanceofconglomeracyandtheconstructionofthemostadvancedweldpipelineandtheφ460premiumqualityfinishing(PQF)line,thecatalogueofBaosteeltube&pipeproductshascoveredtheextensiverangefromthehotrolltocoldroll,theseamlesstothewelded,andalloftheproductdimensionscopefrom25.4mmto610mm.Tomeettherequirementsofrelevantindustriessuchasenergy,transportation,machinery,ammunitionandotherrelevantindustries,theproductvarietyisdivertingfromcarbonsteeltoalloysteel,stainlesssteelandspecialalloys.AstheBaosteelSteelTubingPlantincreaseditsnumberofproductionunits,expandeditsproductioncapacityanddevelopednewproducts,ithasgrownintoapipeandtubesupplierwithglobalcompetitiveness.