OCTG Casing
Well Casing serves as well sidewall. Standards and Technical Conditions for Supply:API Spec 5CT ISO13680 Grade: J55, K55, N80-1, N80-Q, L80-1, L80-9Cr, L80-13Cr, C95, P110. Tread types: NUE, EUE, VAM, STC, LTC, BTC, special clearance, XC,VAM TOP, NEW VAM.
Uses: Well Casing serves as well sidewall.
Standards and Technical Conditions for Supply: API Spec 5CT ISO13680
Grade: J55, K55, N80-1,N80-Q, L80-1, L80-9Cr,L80-13Cr,C95, P110.
Tread types: NUE, EUE, VAM, STC, LTC, BTC, special clearance, XC,VAM TOP,NEW VAM.
Dimension: OD: 114.3-508mm WT: 5.21-16.13mm
Lengths:
|
Oil casing |
Range 1 |
Range 2 |
Range 3 |
|
4.88~7.62 |
7.62~10.36 |
10.36~14.63 |
Mechanical Properties
|
Group |
Grade |
Type |
Total elongation under load % |
Yield strength Mpa |
Tensile strength min MPa |
Hardness max |
||
|
min |
max |
HRC |
HBW |
|||||
|
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
|
1 |
J55 |
- |
0.5 |
379 |
552 |
517 |
- |
- |
|
K55 |
- |
0.5 |
379 |
552 |
655 |
- |
- |
|
|
N80 |
1 |
0.5 |
552 |
758 |
689 |
- |
- |
|
|
N80 |
Q |
0.5 |
552 |
758 |
689 |
- |
- |
|
|
2 |
L80 |
1 |
0.5 |
552 |
655 |
655 |
23 |
241 |
|
L80 |
9Cr |
0.5 |
552 |
655 |
655 |
23 |
241 |
|
|
L80 |
13Cr |
0.5 |
552 |
655 |
655 |
23 |
241 |
|
|
C90 |
|
0.5 |
621 |
724 |
689 |
25.4 |
255 |
|
|
C95 |
- |
0.5 |
655 |
758 |
724 |
- |
- |
|
|
T95 |
|
0.5 |
655 |
758 |
724 |
25.4 |
255 |
|
|
3 |
P110 |
- |
0.6 |
758 |
965 |
862 |
- |
- |
|
4 |
Q125 |
All |
0.65 |
862 |
1034 |
931 |
- |
-
|
Production Process
