API 5CT casing pipes are manufactured in accordance with API Spec 5CT and are designed for use as permanent wellbore support strings in oil and gas wells. Casing is typically cemented in place to maintain well integrity, isolate formations, and withstand collapse, burst, and tensile loads.
Casing pipes are available in standard API threaded connections as well as premium connections compatible with major OEM designs, subject to specification.
Technical Specifications
General Specifications
Parameter
Details
Product Type
Steel Casing Pipe
Standard
API Spec 5CT
Application
Oil & Gas Well Casing
Length Range
R2, R3
Manufacturing Compliance
As per API 5CT
Material Traceability
Available
Available Grades
API 5CT Grades
J55
K55
N80-1
N80Q
L80
C90
C95
T95
P110
Q125
13Cr (on request)
Casing Sizes
Outside Diameter (inches)
5 1/2”
6 5/8”
7”
7 5/8”
8 5/8”
9 5/8”
10 3/4”
11 3/4”
13 3/8”
16”
18 5/8”
20”
End Connections
Connection Type
Description
BTC
Buttress Thread Connection
LTC
Long Thread Coupling
STC
Short Thread Coupling
Premium Connections
Gas-tight / high-performance casing connections
Premium Connection Options
Connection Category
Examples
OEM-Compatible Premium
Tenaris-type, Hunting-type, TSH-type equivalents
Application
High-pressure, gas-tight, or demanding well conditions
Delivery & Protection
Parameter
Details
End Protection
Thread protectors (plastic or steel)
Supply Condition
Threaded & coupled or plain as specified
If you require any further information on this listing please contact info@reflowx.com
Technical Details
Manufacturer Name
OCTAL Steel
Year of Manufacturing
2026
General Terms
ReflowX and the seller retain the right to evaluate and approve offers.
Buyers should verify quantities and conditions upon delivery.
After successful engagement, both buyer and seller manage communication for payment terms and delivery schedule.
All parties agree to adhere to ReflowX Terms and Conditions in transactions.
Buyers can request value-added services such as pre-purchase inspections, Expediting & Delivery Services through ReflowX. Contact us!
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