Kev siv tus qauv:
American Petroleum Institute GB/T97711 Suav teb tus qauv
Natural gas, dej, thiab roj tsheb thauj mus los hauv kev lag luam roj thiab roj, kev lag luam chemical, mining, thee chemical industry, marine engineering, infrastructure engineering, steel structure, urban gas and other industries.
API 5L X65 roj pipeline yog cov khoom siv carbon steel feem ntau siv hauv ntau cov roj thiab cov kav dej hauv cov kav dej
API 5L X80 roj thiab roj tsheb thauj mus los yeeb nkab yog siv rau hauv cov kev pabcuam kav dej hauv kev lag luam roj thiab roj
Siv nyob rau hauv ib puag ncig tshwj xeeb:
Acid-resistant kab yeeb nkab
Tom ntej: Api 5L PSL2
BNS, BQS, X42NS, X42QS, X46NS, X46QS, X52NS, X52QS, X56QS, X60QS, X65QS, X70QS
GB / T9711:
L245QS, L290NS, L320NS, L360NS, L245QS, L290QS, L320QS, L360QS, L390QS, L415QS, L450QS, L485QS
Submarine pipeline
Api 5L PSL2: BNO, BQO, X42NO, X42QO, X46NO, X46QO, X52NO, X52QO, QO, L290QO, L320QO, L360QO, L390QO, L415QO, L450QO, L485QO, L485QO
Tshuaj muaj pes tsawg leeg ntawm PSL1%
Tshuaj muaj pes tsawg leeg ntawm PSL2%
Mechanical zog
Pipeline tiv thaiv corrosion
Sab nrauv los tiv thaiv corrosion
Internal corrosion tiv thaiv
Kuaj
Hydrostatic xeem
Khoov xeem
Flattening xeem
Khoov xeem
PSL2 (welding + HAZ) CVN cuam tshuam kuaj
PSL2 welded yeeb nkab DWT xeem
Tolerances ntawm txoj kab uas hla thiab roundness
Phab ntsa thickness kam rau ua
Cov txheej txheem ntau lawm
Cov Qauv: API, DNV, ISO, DEP, EN, ASTM, DIN, BS, GB, CSA
Delivery conditions (tus txheej txheem xa khoom)
