Varnish 5CT L80 9Cr steel tubing Oil Country Tubular Goods 0.205-0.875 inch

API 5CT H40/J55/K55/N80/L80/C90/P110/Q125
End:LCSCBCVAMNUEU
OD:1.05\"-4 1/2\"(Tubing),4 1/2\"-20\"(Casing)
WT:0.205\"- 0.635\"

Quality Standard:
SY/T 6194 Petroleum and natural gas industries Steel pipes for use as casing or tubing for wells
BS EN ISO 11960 Petroleum and natural gas industries Steel pipes for use as casing or tubing for wells
NF M87-207 Petroleum and natural gas industries Steel pipes for use as casing or tubing for wells
JIS G3439 seamless steel oil well casing,tubing and drill pipe
IS 4270 Steel tubes for well casing pipes

GOST 632-80 Casing and Coupling
API 5CT Steel Grade:H40, J55, K55, N80, M65, L80, L80 9Cr, L80 13CR, C90, C95, T95, P110, Q125

Specification:

Outer Diameter:

Casing OD 4 1/2\"- 20\" (114.3mm-508mm)

Tubing OD 2 3/8\" - 4 1/2\" (60.3mm-114.30mm)

Wall Thickness: 0. 205\"- 0.875\"(5.21mm-22.22mm)

Length R1(4.88mtr-7.62mtr), R2(7.62mtr-10.36mtr), R3(10.36mtr or longer)

Connection:

Casing: LTC, STC, BTC,VAM,NEW VAM

Tubing: NUE, EUE

End Beveled, Square cut. And pipe protection cap specially for casing and tubing.

Heat treatment:

Normalized,Quencher,Annueal,Temper

Surface treatment:

Coating choice of black or clear varnish exists for coating of the OCTG material.This coating is a solvent deposited non toxic phenolic PVB that provides atmospheric resistance to oxidation for a period of 6 to 12 months.

Test:

Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Technical Properties (Flattening Test, Flaring Test, Bending Test, Hardness Test, Blow Test, Impact Test etc), Exterior Size Inspection, Nondestructive Test (Ultrasonic flaw detector, Eddy current flaw detector), Hydrostatic Test(The standard pressure is limited to 20,7 MPa (3000psi)), Electro-magnetic inspection to SR1 is carried out on all line pipes.

Mill Test Certificate EN 10204/3.1B

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1. Size Range: