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.

Pipe For Oil Field 

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)