1. Dab tsi yog carbon steel yeeb nkab?
Cov pa roj carbon steel yeeb nkab yog cov khoom siv tubular ua los ntawm cov hlau uas carbon yog lub ntsiab alloying. Nws tsis tas yuav tsum muaj cov ntsiab lus tsawg kawg nkaus ntawm lwm cov ntsiab lus alloying xws li chromium lossis molybdenum kom ua tiav nws cov khoom xav tau -1.
2. Dab tsi yog qhov tseem ceeb ntawm cov yeeb nkab carbon steel raws li kev tsim khoom?
Lawv feem ntau muab faib uaseamless kav(ua los ntawm kev tho ib lub pob zeb) thiabwelded kav(ua los ntawm dov lub phaj thiab vuam cov seam). Welded hom muaj xws li hluav taws xob Resistance Welded (ERW), Longitudinal Submerged Arc Welded (LSAW), thiab Kauv Submerged Arc Welded (SSAW) -1-8.
3. Dab tsi yog qhov txawv ntawm cov kav dej kub - tiav thiab txias - tiav seamless kav?
Kub- tiav lawmcov kav dej yog tsim los ntawm qhov kub thiab txias (nyob ib ncig ntawm 1200 degree) thiab tsim nyog rau cov kab uas loj dua thiab cov phab ntsa tuab.Txias-ua tiav(txias-kos los yog txias- dov) cov kav dej pib kub- cov khoom tiav thiab tau ua tiav ntawm chav tsev kub kom ua tiav qhov kev ua kom nruj dua, zoo dua qhov tiav, thiab muaj zog dua -1-9.
4. "Schedule" (SCH) txhais li cas hauv cov yeeb nkab specifications?
Teem caij (SCH) hais txog phab ntsa tuab ntawm cov yeeb nkab. Tus lej sij hawm siab dua qhia tias phab ntsa tuab dua rau qhov muab cov yeeb nkab nominal loj (NPS), uas tso cai rau cov yeeb nkab tuaj yeem tiv taus siab dua sab hauv. Cov sij hawm muaj xws li SCH 40, SCH 80, thiab SCH 160 -10.
5. Dab tsi yog tus qauv tshaj plaws rau siab - qhov kub thiab txias kev pabcuam seamless kav?
ASTM A106 1yog tus qauv specification rau seamless carbon steel kav rau siab - kub kev pab cuam. Qib B (A106 Gr. B) yog qib siv dav tshaj plaws hauv qhov kev qhia tshwj xeeb no -2-10.
