NES D2120_2017-螺柱规范标准eng.pdf
D2120_2017-N
NissanEngineeringStandard
AutomotiveStandardParts
NESSpecificationforStuds
ThisStandardhasbeenpreparedaccordingtothe3rdEditionofISO898-1issuedin1999.The
ISOstandardwaspartiallychangedtomeettheactualconditionsofNissanandRenault.The
areaswithunderlinesaredifferentfromtheoriginalinternationalstandard.
1.SCOPE
ThisStandardspecifiesmechanicalpropertiesandidentificationatnormaltemperature(10to35C)forthe
steelstudsapplicabletoconditionsinTable1.
Thestudspecificationforpropertyclass4Tto9Tnotspecifiedintheoriginalinternationalstandardshallbe
inaccordancewiththeAppendix.
Table1Applicableconditions
ApplicableitemApplicablecondition
ParttypeStudrequiringmechanicalpropertiesregardlessoftheshape.
Combinationsofthethreadbasicprofile,threadgrade,nominaldiameterandpitch
ScrewtypeareinaccordancewithNESD1402.
MaterialCarbonsteeloralloysteel
Remarks:ThematerialsandthesurfacetreatmentofpartsdescribedinthisStandardshallconformtoNESM0301
(SubstanceUseRestrictions).
2.INDICATIONOFPROPERTYCLASS
Thesymboltoidentifythepropertyclassshallbethetwofiguresbelow:
-Thefirstfigureshallrepresentthe1/100valueofthefigureindicatedinN/mm2forthenominaltensile
strength.
-Thefigureafterdecima