有关iso 14175-1997 焊接用料.电弧焊接和切割用保护气体

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1、INTERNATIONALIS0STANDARD14175Firstedition1997-04-01Weldingconsumables-ShieldinggasesforarcweldingandcuttingProduitsconsommabr’espouriesoudage-Gazdeprotectionpourlesoudageetlecoupageh/‘arcReferencenumberIS014175:1997(E)IS014175:1997(E)ForewordlS0(theInternationalOrganizationforStandardization)isawor

2、ldwidefederationofnationalstandardsbodies(IS0memberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughIS0technicalcommittees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeenestablishedhastherighttoberepresentedonthatcommittee.Internationalorganizations,go

3、vernmentalandnon-governmental,inliaisonwithISO,alsotakepartinthework.IS0collaboratescloselywiththeInternationalElectrotechnicalCommission(IEC)onallmattersofelectrotechnicalstandardization.DraftInternationalStandardsadoptedbythetechnicalcommitteesarecirculatedtothememberbodiesforvoting.Publicationas

4、anInternationalStandardrequiresapprovalbyatleast75%ofthememberbodiescastingavote.InternationalStandardIS014175waspreparedbyTechnicalCommitteelSO/TC44,Weldingandalliedprocesses,Sub-CommitteeSC3,Weldingconsumables.0IS01997Allrightsreserved.Unlessotherwisespecified,nopartofthispublicationmaybereproduc

5、edorutilizedinanyformorbyanymeans,electronicormechanical,includingphotocopyingandmicrofilm,withoutpermissioninwritingfromthepublisher.InternationalOrganizationforStandardizationCasepostale56lCH-1211Geneve20lSwitzerlandInternetcentral@iso.chx.400c=ch;a=400net;p=iso;o=isocs;s=centralPrintedinSwitzerl

6、andiiINTERNATIONALSTANDARD@IS0IS014175:1997(E)Weldingconsumables-Shieldinggasesforarcweldingandcutting1ScopeThisInternationalStandardisapplicabletogasshieldedarcweldingandcuttingprocesseswithgasesandgasmixturesdefinedwithin.Applicationsinclude,butarenotlimitedto:tungsteninertgas(TIG)welding;metalac

7、tivegas(MAG)welding;metalinertgas(MIG)welding;plasmaarcwelding;plasmaarccutting;backshielding.ThepurposeofthisInternationalStandardistoclassifyshieldinggasesaccordingtotheirchemicalpropertiesasabasefortheap