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(10to35C)forthe

steelstudsapplicabletoconditionsinTable1.

Thestudspecificationforpropertyclass4Tto9Tnotspecifiedintheoriginalinternationalstandardshallbe

inaccordancewiththeAppendix.

Table1Applicableconditions

ApplicableitemApplicablecondition

ParttypeStudrequiringmechanicalpropertiesregardlessoftheshape.

Combinationsofthethreadbasicprofile,threadgrade,nominaldiameterandpitch

ScrewtypeareinaccordancewithNESD1402.

MaterialCarbonsteeloralloysteel

Remarks:ThematerialsandthesurfacetreatmentofpartsdescribedinthisStandardshallconformtoNESM0301

(SubstanceUseRestrictions).

2.INDICATIONOFPROPERTYCLASS

Thesymboltoidentifythepropertyclassshallbethetwofiguresbelow:

-Thefirstfigureshallrepresentthe1/100valueofthefigureindicatedinN/mm2forthenominaltensile

strength.

-Thefigureafterdecima