Steel Tube Weld Cold Crack

Petso e batangmabaka: motho ea ka tlas'a tjheseletsa ha matla a maholo a tensile a ka haroha habonolo ha a ntse a tsidifatsoa hardenability thepa tjheseletsa;tjheseletsa sekhahla tsidifatso e ne e le morao haholo ho baleha masala haedrojene ka tjheseletsa, athomo ea haedrojene tlamahane ho limolek'hule haedrojene ho boemo gaseous ka pores e ntle ea tšepe le baka khatello e ngata, e le hore sebakeng se batang-bōpehileng tšepe petsoha. khatello e ngata;tjheseletsa khatello ea kelello le tensile ho hlahloba khatello ea kelello ka tsepamiso ea haedrojene embrittlement le thatafatsa etsahala ka nako e le 'ngoe ho le bonolo ho theha ha serame petsoha.

 

Mehato ea ho thibela: preheat le ho lieha ho pholile ka mor'a ho cheselletsa, ho senyeha ha libaka tsa austenite tse anngoeng ke mocheso ho ka ba mocheso o lekaneng oa mocheso, ho qoba lisele tse thata, ha ho ntse ho fokotsa karolo ea khatello ea kelello ho tjheseletsa;hypothermia e nakong ka mor'a ho cheselletsa annealing, phekolo ea dehydroepiandrosterone, ho felisa khatello ea kelello e hlahisoang nakong ea ho cheselletsa, le ho hasana ha hydrogen ka nako e loketseng ho ea ka ntle;khetho ea elektrode ea mofuta oa haedrojene e tlase le phallo ea alkaline kapa terata ea tšepe e sa hloekang ea austenitic, joalo-joalo, lisebelisoa tse hlokahalang ho omisa le groove e tiileng ea ho hloekisa;ho sireletsa le ho matlafatsa welding welded ka holim'a ho hloekisa, ho qoba ho kenella ha haedrojene;khetha lintlha tse utloahalang tsa ho cheselletsa, u sebelisa kopano e utloahalang le tatellano ea ho cheselletsa.


Nako ea poso: Mar-06-2023