Q: Yuav ua li cas yog ib qho kev sim tsis yog -kev puas tsuaj rau vuam seam ntawm -welded kav?
A: Eddy Current Testing (ECT) yog ib qho rau cov raj me me, thaum Ultrasonic Testing (UT) yog tus qauv rau cov ntawv thov tseem ceeb thiab cov kav dej loj dua.
Qeb 3: Cov Qauv & Specifications
Q: Dab tsi yog qhov Scope ntawm ASTM A312 tus qauv?
A: Nws npog seamless, welded, thiab hnyav hnyav ua haujlwm austenitic stainless hlau kav rau siab - kub thiab kev pabcuam corrosive.
Q: Dab tsi yog "Schedule" xa mus rau hauv cov yeeb nkab sizing (piv txwv li, Teem caij 40)?
A: Teem caij qhia txog phab ntsa thickness series. Cov lej siab dua feem ntau txhais tau tias cov phab ntsa tuab dua rau tib lub npe yeeb nkab loj (NPS).
Q: Tus qauv twg yog tshwj xeeb rau cov khoom seem (HSS)?
A: ASTM A500 npog txias- ua welded thiab seamless carbon steel structural tubing nyob rau hauv rounds, squares, thiab rectangles.
Q: Dab tsi yog qhov tseem ceeb ntawm API 5L PSL2 tshaj PSL1?
A: PSL2 muaj cov kev xav tau nruj dua, suav nrog kev ua kom muaj zog ntau dua (Charpy impact test), nruj tshuaj muaj pes tsawg leeg, thiab yuav tsum tau kuaj hydrostatic.
Q: Dab tsi yog qhov txawv ntawm "Pib" thiab "Tube" nyob rau hauv cov ntsiab lus?
A: "Pipe" feem ntau yog tsim los ntawm Nominal Pipe Size (NPS) thiab lub sijhawm, siv rau kev xa dej. "Tube" feem ntau tau teev los ntawm sab nraud txoj kab uas hla thiab phab ntsa tuab, siv rau kev tsim kho thiab kev siv tshuab.
