简介:Abstract:Theoxidescalestructureof443NThot-rolledstripswasanalyzed.Thepicklingof443NTstainlesssteelwassimulatedviathe6σexperimentaldesign.Theresultsindicatethatparabolicrelationsexistbetweenthepicklingscoresandsomeofthepicklinginfluencingfactors,suchasthenitricaciddensity,thehydrofluoricaciddensityandthepicklingtemperature.Effectivepicklingof443NTcanbeachievedbycontrollingthepicklingprocessingparameterswiththeHNO_3densityrangingfrom80g/Lto180g/L,theHFdensityfrom20g/Lto40g/Landthepicklingtemperaturefrom45℃to60℃.