Casing Pipe API SPEC 5CT |
|
ISO 11960:2004,Petroleum and natural gas industries-Steel pipes for use as casing or tubing for wells.
Application: Tubing is used to extracting petruleum and natural gas from a well. Casing serves as walls of a well.
Details
Size: O.D.: 6.0-820.0mm W.T.: 1.0-80.0mm Length: Max.12000mm Steel Grade and Chemical Composition(%)
Grade
|
C
|
Si
|
Mn
|
P
|
S
|
Cr
|
Ni
|
Cu
|
Mo
|
V
|
J55(37Mn5)
|
-
|
-
|
-
|
≤0.030
|
≤0.030
|
-
|
-
|
-
|
-
|
-
|
N80(36Mn2V)
|
-
|
-
|
-
|
≤0.030
|
≤0.030
|
-
|
-
|
-
|
-
|
-
| Mechanical Properties
Grade
|
Yield Poing(Mpa) |
Tensile Strength(Mpa)≥ |
J55
|
379-552
|
517
|
N80
|
552-758
|
689
| |
Other grade like H40,K55,N80Q,M65,L80,C95,P110 is also available. |