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Tianjin Wanlei Steel Pipe Co.,Ltd
TEL: 86-22-65815991
FAX: 86-22-25343802
CELL: 86-18526839451, 86-18526839452
EMAIL: admin@wanleipipe.com
WEBSITE: www.seamlesscarbonsteelpipe.com
ADD: Room 403, Unit 1, Building 31, Polar Square, Central Business District, Binhai New Area, Tianjin, China (Mainland)
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OCTG Casing and Tubing Pipes for The Oil and Gas Market
OCTG Casing and Tubing Pipes, API 5L and API 5CT, is used for petroleum and gas industry, includes island and sea bottom petroleum and gas transfer pipe project, petroleum and gas exploitation.
Description
OCTG Casing and Tubing Pipes
--- For the Oil and Gas
Mechanical property
| standard | Grade | Tensile strength(MPa) | Yield strength(MPa) |
| API SPEC 5CT | J55 | ≥517 | 379~552 |
| K55 | ≥517 | ≥655 | |
| N80 | ≥689 | 552~758 | |
| L80(13Cr) | ≥655 | 552~655 | |
| P110 | ≥862 | 758~965 |
Chemical components
| standard | grade | chemical components(%) | ||||||||||
| C | Si | Mn | P | S | Cr | Ni | Cu | Mo | V | Als | ||
| API 5CT | J55 K55 (37Mn5) | 0.34~ 0.39 | 0.20~ 0.35 | 1.25~1.50 | ≤0.020 | ≤0.015 | ≤0.15 | ≤0.20 | ≤0.20 | / | / | ≤0.020 |
| N80 (36 Mn2V) | 0.34~ 0.38 | 0.20~ 0.35 | 1.45~1.70 | ≤0.020 | ≤0.015 | ≤0.15 | / | / | / | 0.11~ 0.16 | ≤0.020 | |
| L80(13Cr) | 0.15~ 0.22 | ≤1.00 | 0.25~1.00 | ≤0.020 | ≤0.010 | 12.0~ 14.0 | ≤0.20 | ≤0.20 | / | / | ≤0.020 | |
| P110 (30CrMo) | 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 | ≤0.020 | |
Available size for OCTG Casing and Tubing Pipes for the Oil and Gas
Casing Diameter: 4 1/2” - 20”, 114.3mm - 508mm
Tubing Diameter: 2 3/8” - 4 1/2”, 60.32mm - 114.3mm
Thickness: 0.2” - 0.875” , 5.12mm - 22.22mm
Length: R1, R2, R3
Dimensions and Tolerances
Outside Diameter,Wall Thickness and Weight Tolerances:
| Item | Tolerance | ||
| Outside Diameter | Pipe Body | D=101.60mm±0.79m | |
| D=114.30mm± | +1.0%D | ||
| - 0.5%D | |||
| coupling | ±1%D | ||
| Wall Thickness | 0,-12.5%t | ||
| Weight | Single Lengths | +6.5% | |
| -3.5% | |||
| Carload Lots | 0,-1.75% | ||
Thread type
PE, LTC, STC, BTC
Warehouse of OCTG Casing and Tubing Pipes for the Oil and Gas
Our Advantages of OCTG Casing and Tubing Pipes for the Oil and Gas
---High precision of OD, oval degree, straightness and size dimension
---Smooth surface and beautiful appearance.
---High strength
---Good toughness
Application
OCTG casing and tubing pipe is widely used in oil and gas transmitting pipeline, oil field, drilling platform fields etc. 
Customers
The annual yearly output is about 30000 tons which is exported to all over the world, such as Korea, Malaysia, Vietnam, Thailand, Indonesia, Taiwan, India, Iran, UAE, Egypt, United Kingdom, Serbia, Argentina and so on. 
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