Q235B khoom yog dab tsi?
Q235Byog ib qho kev siv qis - carbon structural steel qib hauv Suav teb, ua raws li lub teb chaws tus qauv GB/T 700-2006. "Q" qhia nws lub zog tawm los, thiab "235" qhia nws qhov tsawg kawg nkaus tawm los ntawm 235 MPa.
Yuav ua li cas muab kauv welded yeeb nkab tsim?
Txoj kev tsim khoom ntawmkauv welded yeeb nkabyog raws li nram no: Ua ntej, cov hlau kauj yog unrolled, lub steel sawb yog flattened, thiab ces nws yog dov mus rau hauv ib tug kauv zoo siv lub kaum sab xis rollers. Tom qab ntawd, cov hlua khi txuas txuas txuas txuas ntxiv ua ke siv submerged arc vuam (SAW). Thaum kawg, cov kav hlau txuas txuas txuas mus rau qhov ntev yuav tsum tau ua, thiab qhov kawg tau ua tiav raws li qhov xav tau.
Hauv cov teb twg yog Q235B kauv welded yeeb nkab feem ntau siv?
Q235B kauv welded yeeb nkabfeem ntau yog siv rau hauv cov dej txuag dej, petrochemicals, tsim hluav taws xob, kev ua liaj ua teb dej, thiab kev tsim kho hauv nroog.
Yuav ua li cas yog cov specifications ntawm "kauv welded yeeb nkab" feem ntau qhia?
Cov specifications ntawmkauv welded yeeb nkabfeem ntau yog nthuav tawm raws li sab nraud × phab ntsa tuab, thiab cov ntawv feem ntau siv los qhia cov yeeb nkab hom, xws li "D" sawv cev rau sab nraud.
Dab tsi yog cov qauv siv feem ntau rau Q235B kauv welded yeeb nkab?
Hom qauv rauQ235B kauv welded yeeb nkabsuav nrog ASTM A53, EN10217, thiab Suav teb cov qauv. Nyob ntawm daim ntawv thov, lwm cov qauv kuj tseem siv tau, xws li ASTM A252 rau pawg hauv paus lossis API 5L rau roj thiab roj, tab sis API 5L yog qhov tsim nyog rau cov ntawv thov tshwj xeeb nrog kev ua haujlwm siab dua.
