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1、-A5523--A5523-Table2ChemicalcompositionWeldablehotrolledsteelsheetpile,Unit:%IntroductionThisJapaneseIndustrialStandardspecifiessteelsheCSiMnpSFreenitrogen(l)I.areexcellentinweldability,andspecifiescarbonequivalent,freenitrogIIabsorbedenergywhicharenotspecifiedinJISA5528
2、.0.18max.0.55max.1.50max.0.04max.0.04max.0.0060max.0.18max.0.55max.1.50max.0.04max.0.04max.0.0060max.1ScopeThisStandardspecifiesthehotrolledsteelsheetpileswill."forsheathing,coffering,structuralfoundationsandothersimilarapplll'",ForsteeIrnatena·If>so.00060%and,,;0.010.0%
3、freet.nitrogen,.dexcellentinweldability.afteradding3%strain,astrainagingCharpyImpacttesIS~a~eoutbthetestspecimenmaintainedat250°Cfor1h,anwen2NormativereferencesThenormativereferencesareshowninAttacl,.Ither:sultconformstoTable5,thefreenitrogenmthetab;~~~yThestandardsliste
4、dinAttachedTable1containprovisionswhich,th"",bereplacedbythefreenitrogenof>0.0060%and,,;0.0v.enceinthisStandard,constituteprovisionsofthisStandard.Themot"tionsofthestandardsshallbeapplied.1Ifnecessary,alloyelementsexceptingthosegiveninTable2canbeadded.3Classificationands
5、ymbolsSteelsheetpilesshallbeclassifiedin1.11I2ThevalueoffreenitrogenmaybereplacedbytotalnitrogenandtheirsymbolsshallbeasgiveninTable1.amount.3Forcomponentscontainedinthecalcula~ionformulaforcar•Table1Classificationsymbolsbonequivalentshownin6amongcheml~alco~ponentsex•cep
6、tingthoseinTable2,thetestof10.1ISearnedout.ClassificationsymbolSYW295.ItThecarbonequivalentofsteelsheetpilesshallbecalcu-""UlvaenI.valuesof101SYW390111111{tothefollowingformulabyusingthecastanaYSIS.,"It.shallconformtoTable3.MnSiNiCrMoV4DefinitionThefreenitrogenspecifiedi
7、nthisStandardmeansnil"l'iuivalent("')C+-+-+-+-~+-7V=+-6-24405414dissolvedinsteelexceptingnitrogen(nitridetypenitrogen)containedinntl,"'precipitatesinthesteelbycombiningwiththealloyelementsofhightil",Table3Carbonequivalentnitrogensuchasaluminum,titanium,vanadiumandthelike
8、.Remarks1Thedeterminedvalueoffreenitrogenisobtainedbysuhl'IClassificationsymbolCarbonequivalent%determi
