API 5L B ncaj seam submerged arc vuam 914.4 * 7.92mm, 11.36 meters, 21 daim.
Cov kav hlau loj no yuav raug xa mus rau Sri Lanka.
Sri Lankan cov neeg muas zaub tau txais tos tuaj xyuas thiab xaj API 5L B ncaj seam submerged arc welded kab yeeb nkab!
API 5L B ncaj seam submerged arc welded kab yeeb nkab yog cov yeeb nkab steel ua raws li American Petroleum Institute (API) tus qauv 5L thiab feem ntau yog siv los thauj cov dej xws li roj thiab roj. Ntawm lawv, "B" sawv cev rau qib yield zog ntawm cov yeeb nkab steel. Longitudinal submerged arc vuam yog cov txheej txheem vuam uas tuaj yeem ua kom cov vuam zoo thiab sib khi ntawm cov kav hlau, yog li ua tau raws li qhov xav tau siab rau cov kav dej thauj cov kua dej.
Peb tab tom nrhiav rau pem hauv ntej ua haujlwm nrog peb cov neeg siv khoom hauv Sri Lanka los muab koj cov khoom zoo API 5L B LSAW kab yeeb nkab. Peb cov khoom muaj kev tiv thaiv zoo corrosion, siab zog thiab zoo vuam kev ua tau zoo, thiab tuaj yeem ua tau raws li koj xav tau hauv cov roj, roj thiab lwm yam kev lag luam.
