Longitudinally Submerged Arc Vuam (LSAW) yog cov lus qhia tshaj lij rau LSAW steel yeeb nkab. Nws siv ib qho nruab nrab thiab tuab phaj raws li cov khoom siv raw, thiab cov phaj hlau yog nias (dov) rau hauv ib lub raj tsis muaj pwm los yog lub tshuab tsim. Cov yeeb nkab yog tsim los ntawm submerged arc vuam thiab nthuav txoj kab uas hla.
Cov khoom tiav ntawmLSAW steel yeeb nkabmuaj ntau yam specifications, thiab weld seam muaj zoo toughness, plasticity, uniformity thiab compactness. Nws muaj qhov zoo ntawm txoj kab uas hla loj, yeeb nkab phab ntsa thickness, siab tsis kam, tsis kub tsis kam thiab muaj zog corrosion kuj. Nyob rau hauv kev tsim kho ntawm high-strength, high-toughness, high-zoo nyob deb cov roj thiab roj pipelines, feem ntau ntawm cov steel kav yuav tsum tau loj-inch tuab-walled LSAW kav. Raws li API cov qauv, nyob rau hauv cov kav dej loj thiab cov roj tsheb thauj mus los, thaum dhau los ntawm Chav Kawm 1 thiab Chav Kawm 2 xws li thaj chaw alpine, seabeds, thiab cov nroog uas muaj neeg coob, LSAW kav yog tib hom yeeb nkab uas siv tau.
