Threaded Casing with Short/Long Round Thread or Buttress
Threaded Casing and Supply supplies new and used steel casing pipe, piling pipe, surplus pipe, and used steel pipe.
Standard: API Spec 5 CT
Dimensions
| O.D. (mm) |
Weight T&C |
W.T. |
Steel grade |
|
| Lb/ft |
Kg/m |
mm |
H40 |
J55 |
K55 |
N80 |
L80 |
C95 |
P110 |
| 4 1/2 |
114,3 |
9,5 |
14,2 |
5,21 |
S |
S |
S |
- |
- |
- |
- |
| |
|
10,5 |
15,6 |
5,69 |
- |
S;B |
S;B |
- |
- |
- |
- |
| |
|
11,6 |
17,3 |
6,35 |
- |
S;L;B |
S;L;B |
L;B |
L;B |
L;B |
L;B |
|
|
13,5 |
20,1 |
7,37 |
- |
- |
- |
L;B |
L;B |
L;B |
L;B |
| |
|
15,1 |
22,5 |
8,56 |
- |
- |
- |
- |
- |
- |
- |
| 5 |
127 |
11,5 |
17,1 |
5,59 |
- |
S |
S |
- |
- |
- |
- |
|
|
13 |
19,4 |
6,43 |
- |
S;L;B |
S;L;B |
- |
- |
- |
- |
| |
|
15 |
22,3 |
7,52 |
- |
S;L;B |
S;L;B |
L;B |
L;B |
L;B |
L;B |
| |
|
18 |
26,8 |
9,19 |
- |
- |
- |
L;B |
L;B |
L;B |
L;B |
| |
|
21,4 |
31,9 |
11,1 |
- |
- |
- |
L;B |
L;B |
L;B |
L;B |
| |
|
23,2 |
34,6 |
12,14 |
- |
- |
- |
L;B |
L;B |
L;B |
L;B |
| |
|
24,1 |
35,9 |
12,7 |
- |
- |
- |
L;B |
L;B |
L;B |
L;B |
| 5 1/2 |
139,7 |
14 |
20,9 |
6,2 |
S |
S |
S |
- |
- |
- |
- |
| |
|
15,5 |
23,1 |
6,98 |
- |
S;L;B |
S;L;B |
- |
- |
- |
- |
| |
|
17 |
25,3 |
7,72 |
- |
S;L;B |
S;L;B |
L;B |
L;B |
L;B |
L;B |
| |
|
20 |
29,8 |
9,17 |
- |
- |
- |
L;B |
L;B |
L;B |
L;B |
| |
|
23 |
34,3 |
10,54 |
- |
- |
- |
L;B |
L;B |
L;B |
L;B |
| 6 5/8 |
168,3 |
20 |
29,8 |
7,32 |
S |
S;L |
S;L |
- |
- |
- |
- |
| |
|
24 |
35,7 |
8,94 |
- |
S;L |
S;L |
- |
- |
- |
- |
- where:
- S = Short Round Thread
- L = Long Round Thread
- B = Buttress Thread
- Weight per unit calculation formula:
- w = (O.D. - W.T.) x W.T. x 0.0246615 (kg/m)
- w = (O.D. - W.T.) x W.T. x 10.68 (lb/ft)
Steel Requirements
| Steel grade | Chemical requirements |
Mechanical requirements |
| C |
Mn |
Ni |
Cu |
P |
S |
Si |
Tensile strength |
Yield strength |
Elongation A min. |
| max. |
max. |
max. |
max. |
max. |
max. |
max. |
| (%) |
(%) |
(%) |
(%) |
(%) |
(%) |
(%) |
N/mm2 |
N/mm2 |
(%) |
| H40 |
- |
- |
- |
- |
0,03 |
0,03 |
- |
min. 414 |
276-552 |
calculation |
| J55 |
- |
- |
- |
- |
0,03 |
0,03 |
- |
min. 517 |
379-552 |
according |
| K55 |
- |
- |
- |
- |
0,03 |
0,03 |
- |
min. 655 |
379-553 |
to the wall |
| N80 |
- |
- |
- |
- |
0,03 |
0,03 |
- |
min. 689 |
552-758 |
thickness |
| L80 |
0,43 |
1,9 |
0,25 |
0,35 |
0,03 |
0,03 |
0,45 |
min. 655 |
552-655 |
|
| C95 |
0,45 |
1,9 |
- |
- |
0,03 |
0,03 |
0,45 |
min. 724 |
655-758 |
|
| P110 |
- |
- |
- |
- |
0,03 |
0,03 |
- |
min. 724 |
655-758 |
|
-
Note:
- LENGTHS
- Range I : 4,88-7,62 meters
- Range II : 7,62-10,36 meters
- Range III : 10,36-12,00 meters
PROTECTION- Unprotected or external protection
- Each pipe is provided with plastic protectors at both ends.
MARKING- Die stamped or/and paint stenciled according to standard or per customer request.
DELIVERY- In bundles of maximum 2500 kg, tied in minimum four places with steel strps.
MILL TEST REPORT- Mill test reports are issued to customer requirements.
- Usually they comply with EN 10204 - 3.1.B (DIN 50049 - 3.1.B)
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Another kinds of production:
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