S235JR Longitudinal Submerged Arc Welded Pipe yog dab tsi?
S235JR Longitudinal Submerged Arc Welded (LSAW) yeeb nkabyog ib tug loj - txoj kab uas hla steel yeeb nkab tsim los ntawm ib tug steel phaj siv ib tug longitudinal submerged arc vuam txheej txheem, ua raws li tus qauv S235JR steel qib. Nws nta qhov zoo xws li txoj kab uas hla loj, phab ntsa tuab, siab ua haujlwm siab, qis-kub tsis kam, thiab muaj zog corrosion kuj. Loj - txoj kab uas hla, tuab- phab ntsa LSAW steel kav feem ntau xav tau rau kev tsim kho siab - lub zog, siab - toughness, thiab siab - zoo ntev - roj thiab roj pipelines.
Dab tsi yog cov khoom ntawm S235JR cov khoom?
S235JR yog ib qho qis- carbon non- alloy structural steel ua raws li EN 10025-2 tus qauv. Nws qhov kev tawm dag zog tsawg kawg nkaus yog 235 MPa, thiab nws lub zog tensile yog li ntawm 360 txog 510 MPa. S235JR muaj me me ntawm manganese thiab silicon, uas pab txhawb rau nws cov neeg kho tshuab stability thiab machinability. Txawm li cas los xij, nws tsis muaj cov khoom tiv thaiv corrosion xws li chromium lossis npib tsib xee.
Dab tsi yog txoj kev vuam siv rau S235JR longitudinal submerged arc welded yeeb nkab?
Lub ntsiab vuam txoj kev rauS235JR longitudinal submerged arc welded (LSAW) yeeb nkabyog submerged arc vuam (SAW), siv rau ob sab hauv thiab sab nraud kav. Ua ntej vuam, cov hlau phaj yuav tsum tau tsim rau hauv cov tubular zoo siv txoj kev xws li UOE lossis JCOE. Qee zaum, qhov chaw vuam (siv MAG welding) kuj tau ua rau kev sib tw thawj zaug.
Dab tsi yog cov ntawv thov tseem ceeb ntawm S235JR longitudinal submerged arc welded yeeb nkab?
S235JR longitudinal submerged arc welded yeeb nkabFeem ntau yog siv rau hauv kev tsim kho vaj tse, kev tsim khoom siv tshuab, thiab kev tsim hluav taws xob, tshwj xeeb tshaj yog tsim rau kev thauj cov kua dej xws li dej, roj, thiab roj. Vim nws lub zog siab thiab ua haujlwm zoo, nws kuj yog siv hauv nkoj tsim thiab marine engineering.
Dab tsi yog qhov tseem ceeb los tiv thaiv - txoj kev xeb rau S235JR longitudinal submerged arc welded yeeb nkab?
Lub ntsiab tiv thaiv - txoj kev corrosion rauS235JR longitudinal submerged arc welded yeeb nkabsuav nrog cov txheej txheem tiv thaiv (xws li fusion- sib koom ua ke epoxy txheej (FBE) lossis polyethylene txheej (PE)), kub- dip galvanizing, txau, thiab kev kho vuam. Anti- kev kho corrosion yuav tsum tau siv thaum siv. Xaiv qhov tsim nyog los tiv thaiv - txoj kev xeb tuaj yeem ua rau lub neej ntev ntawm cov yeeb nkab steel.
