Q: "OD" thiab "Nominal Pipe Size" (NPS) yog dab tsi?
A:OD yog sab nraud txoj kab uas hla. NPS yog tus qauv tsim tsis muaj qhov tsim nyog rau cov yeeb nkab loj. Rau NPS Ntau dua lossis sib npaug rau 14, OD sib npaug NPS hauv nti. Rau qhov me me, OD yog tsau tab sis tsis sib npaug rau NPS.
Q: Ua li cas phab ntsa thickness feem ntau cuam tshuam nrog kev ntsuas siab?
A:Rau cov khoom siv thiab txoj kab uas hla, ib phab ntsa tuab ua rau cov yeeb nkab siab ntsuas (qhov muaj peev xwm ntawm kev ntxhov siab).
Q: Dab tsi yog tus qauv loj thoob ntiaj teb rau cov kav dej sib tw nrog API 5L?
A:ISO 3183, uas feem ntau sib haum nrog API 5L tab sis muaj qee lub cheeb tsam (xws li ISO 3183-3 rau Arctic tej yam kev mob) txawv.
Q: Dab tsi yog qhov kev sib tw tseem ceeb thaum vuam siab - qib zog xws li X80 lossis X100?
A:Ua tiav ib qho kev sib txuas thiab HAZ nrog lub zog sib xws thiab, qhov tseem ceeb tshaj, txaus toughness thiab tsis kam rau hydrogen cracking, feem ntau xav tau cov khoom siv tshwj xeeb thiab cov txheej txheem.
Q: Dab tsi yog "clad lossis lined yeeb nkab," thiab vim li cas nws thiaj siv?
A:Cov pa roj carbon steel yeeb nkab nrog nyias txheej txheej ntawm corrosion{0}}resistant alloy (stainless steel, npib tsib xee alloy) welded los yog bonded hauv. Nws muab kev tiv thaiv corrosion ntawm tus nqi qis dua cov yeeb nkab steel hlau.
