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Model NO.: K55/J55/L80/P110
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MPa Classfication: High Pressure Piping
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Standard: ASTM, GB, API, DIN
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Medium: Oil
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Connection Type: Thread
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Grade: Cr-Mo Alloy, Mo, API J55-API P110, Crni Alloy
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Using: Oil Casing
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Od*Wt: 114.3-508 * 5.21-16.13 mm
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Inspection or Nor: as Required to Inspection
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Brand: Derbo
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Transport Package: in Hexagonal Shape Bundless Wrapped with Strong St
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Origin: Hebei Province, China
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Temperature Classification: Medium Temperature Piping
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Material: Carbon Steel
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Diameter: as Inquiry
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Cross-Section Shape: Round
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Product: Oil Casing API 5CT
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Technology: ERW;Seamless
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Lenth: R1, R2, R3, According to Customers′ Requirement
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Provide Samples or Not: Provide
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Other: Small Order Accepted
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Trademark: Derbosteel
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Specification: ISO API
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HS Code: 3917310000
API 5CT K55/J55/L80/P110 Oil Well Casing Pipe
1.OCTG Casing,Tubing ,Drill Pipe Technical ParatemetersÂ
Standard |
APIÂ 5CT/ API 5DP ISO11960 |
Grade |
Group.1 |
H40/PSL.1, J55/PSL.1, J55/PSL.2, J55/PSL.3, K55/PSL.1, K55/PSL.2, K55/PSL.3, |
N80(1)/PSL.1, N80(1)/PSL.2, N80(Q)/PSL.1, N80(Q)/PSL.2, N80(Q)/PSL.3 |
Group.2 |
M65/PSL.1, M65/PSL.3, L80/PSL.2, L80(1)/PSL.1, L80(1)/PSL.3, L80(9Cr)/PSL.1, L80(13Cr)/PSL.1, C90/PSL.1, C90/PSL.2,  C90/PSL.3, T95/PSL.1, T95/PSL.2T95/PSL.3 |
Group.3 |
P110/PSL.1, P110/PSL.2, P110/PSL.3, |
Group.4 |
Q125/PSL.1, Q125/PSL.2, Q125/PSL.3, |
Minimum Order Quantity |
1 pcs |
Outside DiameterRanges |
Tubing |
1.66 inch to 4 1/2 inch or 42.16mm to 114.3mm |
Casing |
4 1/2 inch to 20 inch or 114.3mm to 508mm |
Wall Thickness |
According to API 5CT Standard |
Length |
Tubing |
R1 (6.10m to 7.32m), R2 (8.53m to 9.75m), R3 (11.58m to 12.80m) |
Casing |
R1 (4.88m to 7.62m), R2 (7.62m to 10.36m), R3 (10.36m to 14.63m) |
Type |
Seamless |
Type of End-Finish |
Tubing |
P, I, N, U |
Casing |
P, S, B, L |
Technical Specification
Item |
Tolerance |
OD |
D<114.3mm |
±0.79mm |
D≥114.3mm |
+1%D |
-0.5%D |
WT |
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-12.50% |
Weight |
Single Lengths |
+6.5%,-3.5% |
Carload 18 144 kg (40 000 lb) or more |
-1.75% |
Carload less than 18 144 kg (40 000 lb) |
- 3,5 % |
 2.OCTG Casing and Tubing Showcase

3.Casing and Tubing Facility

4.OCTG Casing and Tubing Quality Control

4.Packing and Transportation

5.Our Service
Chengdu Derbo Steel focus on octg casing,tubing,drill pipe,coupling and pup joints for project application for more than 10 years with good quality and reasonable price,has succeed to coopearated with Sheel,Lukoil and other famous oil&gas companies all over the world.
If you have any inquiry please feel free to contact us,we will provide you the most competitive and technical support.
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