API5CT J55, K55,N80,L80,P110,C90,T95,Q125 oil casing pipe
Classification :
Steel Grades: K55, J55, L80-1 ,N80,C90,C95, P110, T95
Size: 2 3/8"-4 1/2"*0.167"-0630"
Keywords:
API5CT J55
Product introduction
Oil casing pipe details
Standard: API 5CT, API 5D
Steel Grades: K55, J55, L80-1 ,N80,C90,C95, P110, T95
Size: 2 3/8"-4 1/2"*0.167"-0630"
Casing Pipe
Tubing steel pipe
Oil Casing Pipe/Steel Pipe
Including ordinary casing, Anti-collapse casing, Anti-corrosion casing, Hi-strength casing
Serves as walls of a well;
Standard: API 5CT
Steel Grades: k55, J55, L80,N80,C90,C95, P110 T95, M65,E75,X95,G105,S135
1) Tubing
OD: 2 3/8" -----4 1/2"
WT: 0.167" -----0.630"
Note: P : Plain end, N: Non upset, U: External upset, T&C: Threaded and coupled.
2) Casing
OD: 2 3/8“ ----20"
WT: 0.205" --- 0.5"
Note: P: Plain end, S: Short round thread, L: Long round thread
Length
R1 R2 R3
Tubing 6.10 -7.32 m 8.53-9.75m 11.58-12.80m
Casing 4.88 - 7.62m 6.72 -10.36m 10.36 - 14.63m
3) Drill Pipe
OD: 2 3/8" - 5 1/2"
WT: 0.280" - 0.449"
Note: EU: External upset , IEU: Internal & External upset
Thread of tool joint are right-hand or left hand
Thread are coper- plated or phoshphated
Technical data
Chemical Composition
| Group | Grade | Type | C | Mn | Mo | Cr | Ni max. | Cu max. | P max. | S max. | Si max. | ||||
| min. | max. | min. | max. | min. | max. | min. | max. | ||||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| 1 | H40 | - | - | - | - | - | - | - | - | - | - | - | 0.03 | 0.03 | - |
| J55 | - | - | - | - | - | - | - | - | - | - | - | 0.03 | 0.03 | - | |
| K55 | - | - | - | - | - | - | - | - | - | - | - | 0.03 | 0.03 | - | |
| N80 | 1 | - | - | - | - | - | - | - | - | - | - | 0.03 | 0.03 | - | |
| N80 | Q | - | - | - | - | - | - | - | - | - | - | 0.03 | 0.03 | - | |
| R95 | - | - | 0.45 c | - | 1.9 | - | - | - | - | - | - | 0.03 | 0.03 | 0.45 | |
| 2 | M65 | - | - | - | - | - | - | - | - | - | - | - | 0.03 | 0.03 | - |
| L80 | 1 | - | 0.43 a | - | 1.9 | - | - | - | - | 0.25 | 0.35 | 0.03 | 0.03 | 0.45 | |
| L80 | 9Cr | - | 0.15 | 0.3 | 0.6 | 0.9 | 1.1 | 8 | 10 | 0.5 | 0.25 | 0.02 | 0.01 | 1 | |
| L80 | 13Cr | 0.15 | 0.22 | 0.25 | 1 | - | - | 12 | 14 | 0.5 | 0.25 | 0.02 | 0.01 | 1 | |
| C90 | 1 | - | 0.35 | - | 1.2 | 0.25 b | 0.85 | - | 1.5 | 0.99 | - | 0.02 | 0.01 | - | |
| T95 | 1 | - | 0.35 | - | 1.2 | 0.25 d | 0.85 | 0.4 | 1.5 | 0.99 | - | 0.02 | 0.01 | - | |
| C110 | - | - | 0.35 | - | 1.2 | 0.25 | 1 | 0.4 | 1.5 | 0.99 | - | 0.02 | 0.005 | - | |
| 3 | P110 | e | - | - | - | - | - | - | - | - | - | - | 0.030 e | 0.030 e | - |
| 4 | Q125 | 1 | - | 0.35 | 1.35 | - | 0.85 | - | 1.5 | 0.99 | - | 0.02 | 0.01 | - | |
| 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 wall thickness 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 wall thickness 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. |
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Mechanical Properties
| Standard | Type | Tensile Strength MPa |
Yield Strength MPa |
Hardness Max. |
| API SPEC 5CT | J55 | ≥517 | 379 ~ 552 | ---- |
| K55 | ≥517 | ≥655 | --- | |
| N80 | ≥689 | 552 ~ 758 | --- | |
| L80(13Cr) | ≥655 | 552 ~ 655 | ≤241HB | |
| P110 | ≥862 | 758 ~ 965 | ---- |
Equipment
Why Choose Us?
1)The products can be made completely according to the customer's requirements, and we have our own factory.
2)High quality product and good price.
3)Good Pre-sale、on sale and after sales service.
4)Short delivery time.
5)Exported all over the world, with rich experience.

Package

FAQ:
Q:Will you offer samples?
A:Yes. We will provide samples according to your needs and send them out within three days after receiving payment.
Q:Do you have the products in stock?
A:We have the products in stock. Also, we can produce for your order.
Q:Do you offer after-sales services?
A:Certainly. If you have any questions, please feel free to contact us. We shall certainly do it to your satisfaction.

Factory
The factory covers an area of nearly 60000 square meters and has processing equipment such as large shear machines, circular shear machines, straightening machines, annealing furnaces, punching and shearing lines. The company has not only established long-term strategic cooperation relationships with more than 600 domestic large and medium-sized enterprises such as FAW, China National Heavy Duty Truck Group, Sinopec, and Inspur Group. Our products are also exported to over 60 countries and regions in Europe, the Americas, the Middle East, Southeast Asia, and Australia. The products are widely used in industries such as mechanical manufacturing, electrical appliances, electronics, automobiles, insulation, molds, aerospace, military, construction, printing, food, etc

The company implements full process quality control, has a strict quality control system, and closely monitors every step of storage, inspection, and packaging. No negligence is allowed, and unqualified products are not allowed to enter the warehouse. The company has established detailed supplier records and regularly evaluates supply quality. We solemnly promise that if the service is not good, there will be rewards for reporting; If the quality exceeds the standard, the loss will be my package; If the quantity is incorrect, if one is missing, make up ten; If the product is not satisfactory, it will be returned unconditionally.

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