Nqe Lus Nug 1:Dab tsi yog qhov txawv ntawm welded thiab seamless nickel alloy raj?
Teb:Seamless raj yog tsim los ntawm cov khoom siv hluav taws xob, muab lub zog ntau dua thiab ua haujlwm zoo dua rau kev kub siab thiab kub hloov pauv. Welded tubes yog tsim los ntawm dov thiab vuam ib lub tiaj tiaj tiaj, uas tej zaum yuav muaj kev lag luam ntau dua tab sis tuaj yeem muaj lub zog qis dua me ntsis thiab yuav tsum tau kuaj xyuas ntawm lub vuam seam.
Nqe lus nug 2:Cov hlau twg yog qhov tsim nyog rau siab -kub corrosion ib puag ncig?
Teb:Inconel 625 thiab 718, Incoloy 825, thiab 800HT yog tsim los rau siab -kub thiab corrosive ib puag ncig. Inconel 625 muaj kev tiv thaiv zoo heev rau oxidation thiab chloride kev nyuaj siab corrosion tawg, thaum 718 muab lub zog siab ntawm qhov kub siab.
Nqe Lus Nug 3:Cov raj no puas tuaj yeem siv rau hauv kev siv dej hiav txwv?
Teb:Yog lawm, Monel K500 thiab Incoloy 825 yog cov resistant rau seawater corrosion, nrog rau kev nyuaj siab corrosion cracking thiab pitting. Inconel 625 kuj ua tau zoo nyob rau hauv ib puag ncig marine.
Nqe Lus Nug 4:Dab tsi yog cov qauv loj muaj rau cov raj kub exchanger?
Teb:Qhov ntau thiab tsawg ntawm 1/4 nti mus rau 2 nti hauv txoj kab uas hla, nrog phab ntsa thicknesses ntawm 0.035 nti mus rau 0.250 nti, thiab ntev feem ntau 3-6 meters. Qhov ntev npaum li cas nyob ntawm cov alloy thiab cov chaw tsim khoom.
Nqe lus nug 5:Yuav ua li cas kom ntseeg tau qhov zoo thiab ntawv pov thawj rau cov nickel alloy raj?
Teb:Ib txwm thov cov ntaub ntawv pov thawj (MTCs) raws li ASTM lossis EN cov qauv. Kev tshuaj xyuas tej zaum yuav muaj xws li tshuaj muaj pes tsawg leeg, kev kuaj tshuab, kev kuaj xyuas qhov ntev, thiab tsis yog -kev kuaj kev puas tsuaj (NDT) xws li eddy tam sim no lossis X-ray rau welded raj.
