Specifications: diameter: 320 to 127 mm thickness: 0.4 to 12.7 mm Length: 6 m above, and, in accordance with customer demand, supply and other specifications of steel pipe

API 5CT H40 Casing Pipe and Tubing

Our H40 Pipe Product Range is:
O. D. Range Tubing: From 2-3/8″to 4-1/2″(EUE/NU)
Casing: From 4-1/2″ to 20″,
Threads: BTC, LTC, STC.
Length range: R1, R2, R3
API 5CT H40 Casing Pipe

Grade   Type

Yield            Min         Total 

Strength   UTS            Elongation

ksi(MPa)           ksi  UnderLoad

(MPa)        (%) Min     Max

Manufacturing      Heat           Minimum

Process       Treatment    Tempering



Specified WallThickness      Max     AllowableHardnessg      HardnessVariation

in                  (mm)       HRC  HBW     HRC

H40         -

40        80         60              0.5

(276)   (552) (414)

SorEW              None                  -

-                      -                -          -              -

Specifications of API 5CT H40 Pipe OCTG
The grade H40 pipe oil well drilling casing pipe adopts the first group of relatively high steel grade on basis of the API 5CT H40  pipe standard. Its whole coupling is sprayed with the white paint. On the coupling body, there is a white bar.
API 5CT H40 Pipe is for general purpose pipe manufactured to API specification 5CT. The mechanical properties are as below:
Material H40,k55, or other required steel grade
Outer Diameter 4 1/2″-20″, (114.3-508mm)
Wall Thickness 5.12-16.13mm
Forms of Thread BTC,LTC,STC
Function It serves to protect the oil pipe.
Minimum Yield Strength: 40,000 psi
Maximum Yield Strength: 80,000 psi
Minimum Tensile Strength: 60,000 psi

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