For the conveyance of oxygen, water and oil within the petroleum and natural gas industries.。
Diameter: Ф13.7mm~Ф1016mm.
Wall thickness: 2.0mm~50mm.
Length: 6m-18m
API SPEC 5L
GB/T9711-2011
GB/T9711.1
GB/T9711.2
GB/T9711.3
L210、L245、L290、L320、L360、L245R、L245N、L290R、L290N、L320N、L360N,L415N
L245、L290、L320、L360
L245NB、L290NB、L360NB
L245NCS、L290NCS、L360NCS



