Verified Company
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Hebei Elite Pipe Industry Co.,Ltd
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
High quality is our life,competitive price is our principle,good service is our base.
Hoping to take this chance to establish our nice relationship!
1. Size Range:
API 5CT Oil Casing Pipe | ||||||
Outer Diameter | weight | Grade | Thread | Length | ||
in | mm | kg/m | lb/ft | |||
4 1/2" | 114.3 | 14.14-22.47 | 9.50-15.10 | J55/N80/P110/K55 | LC/SC/BC | R1/R2/R3 |
5" | 127 | 17.11-35.86 | 11.50-24.10 | J55/N80/P110/K55 | LC/SC/BC | R1/R2/R3 |
5 1/2" | 139.7 | 20.83-34.23 | 14.00-23.00 | J55/N80/P110/K55 | LC/SC/BC | R1/R2/R3 |
6 5/8" | 168.28 | 29.76-35.72 | 20.00-24.00 | J55/N80/P110/K55 | LC/SC/BC | R1/R2/R3 |
7" | 177.8 | 25.30-56.55 | 17.00-38.00 | J55/N80/P110/K55 | LC/SC/BC | R1/R2/R3 |
7 5/8" | 193.68 | 35.72-63.69 | 24.00-42.80 | J55/N80/P110/K55 | LC/SC/BC | R1/R2/R3 |
8 5/8" | 219.08 | 35.72-72.92 | 24.00-49.00 | J55/N80/P110/K55 | LC/STC/BC | R1/R2/R3 |
9 5/8" | 244.48 | 48.07-86.91 | 32.30-58.40 | J55/N80/P110/K55 | LC/SC/BC | R1/R2/R3 |
10 3/4" | 273.05 | 48.73-97.77 | 32.75-65.70 | J55/N80/P110/K55 | LC/SC/BC | R1/R2/R3 |
11 3/4" | 298.45 | 62.50-89.29 | 42.00-60.00 | J55/N80/P110/K55 | LC/SC/BC | R1/R2/R3 |
13 3/8" | 339.72 | 71.43-107.15 | 48.00-72.00 | J55/N80/P110/K55 | LC/SC/BC | R1/R2/R3 |
16" | 406.4 | 96.73-162.21 | 65.00-109.00 | J55/N80/P110 etc. | LC/SC/BC | R1/R2/R3 |
18 5/8" | 473.08 | 130.21 | 87.5 | J55/N80/P110 etc. | LC/SC/BC | R1/R2/R3 |
20" | 508.00 | 139.89-197.93 | 94.00-133.00 | J55/N80/P110 etc | LC/SC/BC | R1/R2/R3 |
2. Size Tolerance
| Lable1 | Tolerance on outside diameter,D |
| < 4-1/2 | ± 0,79 mm (± 0.031 in) |
| ≥ 4-1/2 | -0.5%-+1% |
3. Chemical Composition
Grade | Chemical Composition | |||||||||||||
| C | Si | Mn | P | S | Cr | Ni | Cu | Mo | V | ||||
J55,K55 | 0.34-0.39 | 0.20-0.35 | 1.25-1.50 | ≤0.020 | ≤0.015 | ≤0.15 | ≤0.20 | ≤0.20 |
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N80 | 0.34-0.38 | 0.20-0.35 | 1.45-1.70 | ≤0.020 | ≤0.015 | ≤0.15 |
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| 0.11-0.16 | ||||
L80 13Cr | 0.15-0.22 | ≤1.00 | 0.25-1.00 | ≤0.020 | ≤0.010 | 12.0-14.0 | ≤0.20 | ≤0.20 |
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P110 | 0.26-0.35 | 0.17-0.37 | 0.40-0.70 | ≤0.020 | ≤0.010 | 0.80-1.10 | ≤0.20 | ≤0.20 | 0.15-0.25 | ≤0.08 | ||||
4. Mechnical Property
Mechanical Property | |||||||||||||||
Standard | Grade | Tensile | yield strength | Hardness | |||||||||||
API SPEC 5CT | J55 | ≥517 | 379-552 |
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| K55 | ≥517 | ≥655 |
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| N80 | ≥689 | 552-758 |
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| L80 | ≥655 | 552-655 | ≤241HB | |||||||||||
| P110 | ≥862 | 758-965 |
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5. Processing method
6. Test Equipment
7. Products
Elite welcome any partners or friends to join us and establish our bright future!!!
Thanks!