Implementation standard:
American Petroleum Institute GB/T97711 Chinese national standard
Natural gas, water, and oil transportation in the oil and gas industry, chemical industry, mining, coal chemical industry, marine engineering, infrastructure engineering, steel structure, urban gas and other industries.
API 5L X65 oil pipeline is a carbon steel material commonly used in many oil and gas pipeline infrastructures
API 5L X80 oil and gas transportation pipe is used in pipeline services in the oil and gas industry
Used in special environments:
Acid-resistant line pipe
Api 5L PSL2:
BNS, BQS, X42NS, X42QS, X46NS, X46QS, X52NS, X52QS, X56QS, X60QS, X65QS, X70QS
GB/T9711:
L245NS, 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, L555QO
Chemical composition of PSL1%
Chemical composition of PSL2%
Mechanical properties
Pipeline anti-corrosion
External anti-corrosion
Internal corrosion protection
Test
Hydrostatic test
Bending test
Flattening test
Bending test
PSL2 (welding + HAZ) CVN impact test
PSL2 welded pipe DWT test
Tolerances on diameter and roundness
Wall thickness tolerance
Production process
Standards: API, DNV, ISO, DEP, EN, ASTM, DIN, BS, GB, CSA
Delivery conditions (delivery status)
