Tala Fou
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Le auala o seamless paipa uamea tipiina sese masini
O mea autu e aʻafia ai le lelei o paipa uʻamea e tipiina vaega uma o meafaigaluega masini, mea faigaluega, mea faʻapipiʻi, avanoa faigaluega, auala faʻagasologa ma le gaosiga o siosiomaga.Ina ia faʻaleleia le tulaga lelei o le tipiina o paipa uʻamea, o nei vaega e tatau ona faia i faiga talafeagai, e pei o le mumu ...Faitau atili -
O Faamanuiaga ole Paipa Pipi
O se tasi o ituaiga sili ona lauiloa o paipa e faʻaaogaina mo le tafe o le ea i totonu o masini maualuga o loʻo i totonu o fausaga ma fale o le paipa paipa (SP).O se isi filifiliga i paipa fa'afa'afa'afa masani.E umi ma e matua taugofie.SP e mafai ona faʻaaogaina i ituaiga eseese ...Faitau atili -
O le paipa uamea LSAW
O le tulaga faaleagaina o le LSAW uamea paipa luga LSAW uamea paipa ua faia e le vaega i luga o le matua manifinifi ma malosi mautu o le lelei chromium-mauoa oxide ata tifaga (puipuiga ata tifaga), e puipuia ai le faaauauina infiltration o atoms okesene, i oxidation, ma avanoa i malosi e tetee i le corrosion.Afai e iai s...Faitau atili -
Fa'asologa o le pikiina o paipa uamea
O le mea lea e ta'ua o le pikiina o lo'o fa'aogaina ai le vaila'au hydrofluoric ma le nitric acid solution e fufulu ai le u'amea i luga o le sila ua gaosia pe a mae'a le vevela.Faʻaaogaina i le fofo faʻatulagaina ma fua faʻatatau: HF (3-8%), HNO3 (10-15%), H2O (le aofaʻi o totoe) pe a faʻaogaina le vevela fofo ile 40-60 °C.ata paipa uamea...Faitau atili -
ERW mea faigaluega paipa u'amea ma le aai kesi pipeline fausia fesootaiga
ERW paipa uamea meafaigaluega ERW uamea paipa meafaigaluega e masani lava ona mulimuli mai ituaiga: Meafaigaluega faasologa o uamea malulu-fausia: malulu-fausia uamea uʻamea meafaigaluega paipa, malulu-faia meafaigaluega uamea, malulu-fausia uʻamea, malulu-faia uamea masini, meafaigaluega uamea, iunite o u'amea fa'a-malulu, uamea fa'a-malulu e...Faitau atili -
vili paipa
E fa'aaogaina paipa vili mo le viliina autu mo le matagaluega fa'afanua, o se ituaiga o koluse omo'u vaega, leai se su'iga i le pa umi o le sila.Vaega gaogao uamea ma se paipa tele mo le felauaiga o vai, e pei o le felauaiga o suauu, kesi, koale kesi, vai ma nisi mea mautu, paipa,...Faitau atili