OCTG Tubing, API 5CT Tubing
OCTG Tubing Standard: API 5CT
OCTG Tubing Grades: J55/K55, N80, C90, C95, P110
Range of Sizes: 1.05”, 1.315”, 1.66”, 1.9”, 2 3/8”, 3 1/2” and 4 1/2”
End Type: BTC, UN, EUE, Premium ends that could completely replace the tubing premium connection of Vam, Tenaris, Hunting, TSH, etc.
Length: R2, R3
Manufacture Method: Hot Rolled.
Surface Treatment: Black Painting.
OCTG Tubing Application: Oil & Gas Transportation.
Third-Party Inspection: SGS, BV, INTERNET, etc.
Ends EUE and Premium Tubing Packing: Seaworthy Wooden Cases/in Bundle/Pallet.
Chemical Composition of OCTG Tubing
Please note:
a. The carbon content for L80 may be increased up to 0,50 % maximum if the product is oil-quenched.
b. The molybdenum content for Grade C90 Type 1 has no minimum tolerance if the WT is less than 17,78 mm.
c. The carbon content for R95 may be increased up to 0,55 % maximum if the product is oil-quenched.
d. The molybdenum content for T95 Type 1 may be decreased to 0,15 % minimum if the WT is less than 17,78 mm.
e. For EW Grade P110, the phosphorus content shall be 0,020 % maximum and the sulfur content 0,010 % maximum.
NL = no limit. Elements shown shall be reported in product analysis.
Mechanical Properties of OCTG Tubing
Note:
a. In case of dispute, laboratory Rockwell C hardness testing shall be used as the referee method.
b. No hardness limits, but the maximum variation is controlled by manufacturer acc API 5CT.