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Oilfield Equipment API 5CT OCTG Tubing 3 1/2 Eue Coupling
US$25.00
100 Pieces
Product profile
Customization
AvailableAfter-sales Service
Techinical SupportWarranty
1 YearModel NO.
couplingManufacturing Process
CNC MillingSurface Treatment
CasingOperation Pressure
Atmospheric PressureMaterial
CasingApplication
Fluid Pipe, Boiler Pipe, Drill Pipe, Hydraulic PipSection Shape
RoundModel Number
1.9"-4 1/2"Standard
API 5CTCertificate
API, ISO9001Grade
J55 / K55 / N80 / L80 / P110Technics
CastingTransport Package
Wooden BoxSpecification
Different standard sizeTrademark
EastlongOrigin
ChinaHS Code
7307920000Production Capacity
100000/YearKey features
API 5CT Compliance: Manufactured to strict API 5CT/5B standards with full material certification.
High Corrosion Resistance: EXPE coating combined with HDPE liner tubing for superior protection in high corrosion wells.
Extended Performance Life: Shengji liner tubing is repair-free, extending performance life by 4.7 times.
Advanced Quality Control: Includes mechanical tests, chemical control, and advanced defect detection machines.
Customizable Dimensions: Available in model numbers from 1.9 to 4.5 inches with round section shape.
Wide Grade Selection: Offers J55, K55, N80, L80, and P110 grades for various applications.
Rapid Lead Time: Peak and off-peak season lead times are both within 15 working days.
1-Year Warranty: Comes with a 1-year warranty and technical support for all equipment.
Company profile

Hongkong Eastlong Technology Co., LimitedGuangdong, China
Business Type: Manufacturer/FactoryExport Year: 2010-04-01Nearest Port: Shenzhen/Tianjing/Shanghai/HongkongAverage Response Time: ≤4.83hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, DDP
About Our Factory & Business Background
AddressRoom 608 Building A17, Cuigang 4th Industrial Park, Fuyoung Street Baoan, Shenzhen, Guangdong, China
Average Lead TimePeak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays
Our Production Capability & Technical Expertise
Main ProductsTubing Coupling, Casing Coupling, Pup Joints, Crossovers, Centralizer, Carbon Steel Pipe, API 5L Pipe, Oil Drill Pipe, Oilfield Drilling Rig, Oil Country Tubular Goods
Our Industry Experience & Global Business Record
Main MarketsNorth America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Product Q&A
Q:What standards does the tubing coupling comply with?
A:
The product strictly complies with API 5CT and API 5B standards.
Q:What grades are available for this tubing?
A:
We offer J55, K55, N80, L80, and P110 grades.
Q:How long is the warranty period?
A:
We provide a 1-year warranty with technical support.
Q:What is the lead time for production?
A:
Both peak and off-peak season lead times are within 15 working days.
Q:Does the product have corrosion resistance features?
A:
Yes, the EXPE coating and HDPE liner tubing provide excellent corrosion resistance for high corrosion wells.
Send Inquiry
*To:
Hongkong Eastlong Technology Co., Limited
Hongkong Eastlong Technology Co., Limited*Content:
Supplier replies will be sent to your registered email
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