bsi. ...making excellence a habit Inspiring trust foramore resilient world 需要更多标准请联系 wechat: wpwyq310 BSIS023493:2020 BSlStandardsPublication Welding and allied processes-Process specification forlaser-archybrid weldingformetallic materials bsi. BSISO23493:2020 BRITISHSTANDARD National foreword ThisBritishStandardistheUKimplementationofIS023493:2020. TheUKparticipationinitspreparationwasentrustedtoTechnical CommitteeWEE/36,Qualificationofweldingpersonneland weldingprocedures. Alistoforganizationsrepresentedonthiscommitteecanbeobtainedon requesttoitscommitteemanager. This publication does notpurportto includeall thenecessaryprovisions ofa contract.Usersareresponsiblefor its correctapplication. TheBritishStandardsInstitution2020 PublishedbyBSIStandardsLimited2020 ISBN9780539026191 ICS25.160.01 CompliancewithaBritishStandard cannotconferimmunityfrom legalobligations. ThisBritishStandardwaspublishedundertheauthorityofthe StandardsPolicyandStrategyCommitteeon30November2020. Amendments/corrigendaissuedsincepublication Date Textaffected 3