Application
Conveying gas,water,and oil in the petroleum and natural gas
industries.
Tubing and Casing for the petroleum and natural gas industries.
Production Standard,Grade,Steel No.
API 5L PSL1
L175/A25,L210/A,L245/B,L290/X42,L320/X46,L360/X52,L485/X70 PSL2
L245R/BR,L290N/X42N,L320N/X46N,L360N/X52N,L415/X60N API 5CT
PSL1,PSL2,PSL3 H40,J55,K55,N80 GB/T 9711.1
L175,L210,L245,L290,L320,L360 GB/T 9711.2 L245NB,L290NB,L360NB GB/T
9711.3 L245NC,L290NC,L360NC
Delivery Condition
Annealed,Normalized,Normalized and tempered
Inspections and tests performed
Chemical Composition Inspection,Mechanical Properties Test(Tensile
Strength,Yield
Strength,Elongation,Flaring,Flattening,Bending,Hardness),Drift Test
,Surface and Dimension Test,NDE,Hydrostatic Test. MT.
Surface treatment
Oil-dip,Shot Blasting ,varnish
Size Range
O.D 13.7-168.3mm W.T 2.2-14.3mm
