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Quality Standards of Casing and Tubing

SUNWAY MACHINERY IMP&EXP CO.,LIMITED

Quality Standards of Casing and Tubing

Place of Origin : China

Brand Name : SUNWAY

Certification : API 5CT

Price : Negotiable

Packaging Details : plastic membrane

Delivery Time : Negotiable

Payment Terms : T/T ; L/C

Supply Ability : 200000Ton/Year

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Quality Standards of Casing and Tubing:
API 5CT Specification for Casing and Tubing
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
IS0 4270 Steel tubes for well casing pipes
GOST 632-80 Casing and Coupling
Material:
API 5CT:
H40,J55,K55,N80-1,N80Q,R95,L80-1,L80-9Cr,L80- 13Cr,C90,T95,C110,P110,Q125,V150
Specification:
Outer Diameter:
Tubing OD 1.050"- 4 1/2" (26.67mm-114.30mm)
Wall Thickness:
0.113"- 0.630"(2.87mm-16.00mm)
Length:
R1(6.10mtr-7.32mtr), R2(8.53mtr-9.75mtr), R3(11.58mtr-12.80mtr)
Connection:
Tubing: NU,EU,XL,PH-4,PH-6,LTC, STC, BTC, NEW VAM,VAM TOP,VAM FJL,VAM ACE etc.
End Beveled, Square cut. And pipe protection cap specially for casing and tubing.
Size Tolerance of casing pipe:

Lable1 Outer Diameter(OD) Wall Thickness(WT)
≥ 4-1/2 ±0.79mm -12.5%

Heat treatment:
Normalized,Quench,Annueal,Temper
Surface treatment:
Coating choice of black or clear varnish exists for coating of the OCTG material.This coating is a solvent deposited nontoxic phenolic PVB that provides atmospheric resistance to oxidation for a period of 6 to 12 months.
Mill Test Certificate(EN 10204/3.1B):

  1. Chemical Component Analysis
  2. 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.

Specification of Casing

Out Diameter Weight(EU/NU) Grade Connection Length
in mm kg/m lb/ft
1.050 26.67 1.70-2.29 1.14-1.54 J55/K55/N80/L80/P110 etc. EU/NU/XL/PE R1/R2/R3
1.315 33.40 2.53-3.33 1.70-2.24 J55/K55/N80/L80/P110 etc. EU/NU/XL/PE R1/R2/R3
1.660 42.16 3.42-4.57 2.09-3.07 J55/K55/N80/L80/P110 etc. EU/NU/XL/PE R1/R2/R3
1.900 48.26 4.09-7.66 2.40-5.15 J55/K55/N80/L80/P110 etc. EU/NU/XL/PE R1/R2/R3
2.063 52.40 3.24-4.50 J55/K55/N80/L80/P110 etc. EU/NU/XL/PE R1/R2/R3
2 3/8 60.32 4.00-7.45 5.95-11.09 J55/K55/N80/L80/P110 etc. EU/NU/XL/PE R1/R2/R3
2 7/8 73.02 6.40-11.50 9.52-17.11 J55/K55/N80/L80/P110 etc. EU/NU/XL/PE R1/R2/R3
3 1/2 88.90 11.46-25.30 7.70-17.00 J55/K55/N80/L80/P110 etc. EU/NU/XL/PE R1/R2/R3
4 101.60 14.14-33.04 9.50-22.20 J55/K55/N80/L80/P110 etc. EU/NU/XL/PE R1/R2/R3
4 1/2 114.30 18.75-38.84 12.60-26.10 J55/K55/N80/L80/P110 etc. EU/NU/XL/PE R1/R2/R3


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