ISO 9443-2018 Surface quality classes for hot-rolled bars and wire rod英文版

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1、INTERNATIONALISOSTANDARD9443Secondedition2018-05Surfacequalityclassesforhot-rolledbarsandwirerodClassesdequalitédesuarfcedesbaresetfils-machinelaminésàchaudReferencenumberISO9443:2018(E)©ISO2018InternationalOrganizationforStandardizationProvidedbyIHSMarkitunderlic

2、ensewithvariousNationalStandardsBodiesISO9443:2018(E)COPYRIGHTPROTECTEDDOCUMENT©ISO2018Allrightsreserved.Unlessotherwisespecified,orrequiredinthecontextofitsimplementation,nopartofthispublicationmaybereproducedorutilizedotherwiseinanyformorbyanymeans,electronicorm

3、echanical,includingphotocopying,orpostingontheinternetoranintranet,withoutpriorwrittenpermission.PermissioncanberequestedfromeitherISOattheaddressbeloworISO’smemberbodyinthecountryoftherequester.ISOcopyrightofficeCP401•Ch.deBlandonnet8CH-1214Vernier,GenevaPhone:+4

4、1227490111Fax:+41227490947Email:copyright@iso.orgWebsite:www.iso.orgPublishedinSwitzerlandi©ISO2018–AllrightsreservedInternationalOrganizationforStandardizationProvidedbyIHSMarkitunderlicensewithvariousNationalStandardsBodiesISO9443:2018(E)ContentsPageForeword....

5、.iv1Scope.....12Normativereferences....13Termsanddefinitions....14Orderinganddesignation....24.1Ordering....24.2Designation....25Requirements....26Testing.....26.1General....26.2Testmethods....36.2.1General....36.2.2Methodsofrthedetectionofdiscontinuities..36.2.3M

6、ethodsformeasuringthedepthofdiscontinuities..36.2.4Productiontestsontrialbatches...47Repairs.....4AnnexA(informative)Guidelineforapplyingsurfacequalityclasses..6Bibliography.....7©ISO2018–AlrightsreservediInternationalOrganizationforStandardizationProvidedbyIHSMar

7、kitunderlicensewithvariousNationalStandardsBodiesISO9443:2018(E)ForewordISO(theInternationalOrganizationforStandardization)isaworldwidefederationofnationalstandardsbodies(ISOmemberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughISOtechni

8、calcommittees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeenestablishedhastherighttoberepresentedonthatcommittee.Internationalorga