ER7075铝焊丝ER7075气保焊丝1.2mm名称：Alcotec7075AlloyALLOYCHARACTERISTICSALLOY7075WASORIGINALLYDEVELOPEDIN1943.THEHIGHSTRENGTHOFTHE7XXXSERIESOFALLOYSWASDESIRABLEFORAIRCRAFTAPPLICATI***,HOWEVER,ITWASNOTUNTILTHEDEVELOPMENTOFTHE–T73TEMPERTHATTHEALLOYBECAMECOMMERCIALLYVIABLE.THECOMBINATIONOFHIGHSTRENGTH,RESISTANCETOSTRESSCORROSIONCRACKING(SCC)ANDHIGHFRACTURETOUGHNESSHASMADETHEALLOYAMAJORFACTORINTHEAEROSPACEINDUSTRY.THEALLOYISOFTENUTILIZEDINCOMPRESSIVELOADDESIGNC***IDERATI***.ALLOYS7075AND7175ARENOTC***IDEREDTOBEWELDABLEDUETOEUTECTICMELTINGANDINTERGRANULARCORROSIONPROBLEMSINTHEHAZDURINGSERVICEAFTERWELDING.CONTACTALCOTECWIRECORPORATIONTOANSWERANYQUESTI***CONCERNINGTHEWELDINGOFTHESEALLOYS.ALLOY7175ISTYPICALLYUTILIZEDINAPPLICATI***WHEREIMPROVEDFORMABILITYANDTOUGHNESSAREDESIRED.)