API Casing Data Tables sizes 5.500 - 6.625

API Casing Data Tables sizes 5.500 - 6.625 .

Specification 5C3 of the American Petroleum Institute standardizes 14 casing sizes from 4.5 inches (11.43 cm) to 20 inches (50.80 cm) outside diameter ("OD"). This and related API documents also promulgate standards for the threaded end finish, the wall thickness (several are available in each size to satisfy various design parameters, and in fact are indirectly specified by standardized nominal weights per linear foot; thicker pipe obviously being heavier), and the strength and certain chemical characteristics of the steel material. Several material strengths: termed "Grades" and ranging from 40,000 pounds per square inch (276 MPa) to 150,000 pounds per square inch (1,034 MPa) minimum yield strength—are available for most combinations of OD and wall thickness to meet various design needs.

O.D. (inch)
Nominal
Weight
T & C
Grade
Collapse
Pressure
(psi)
Internal Yield Pressure
Minimum Yield (psi)
Joint Strength
1000 lbs
Body
Yield
1000 lbs
Wall
(inch)
I.D.
(inch)
Drift Diameter
(inch)
PE
STC
LTC
BTC
STC
LTC
BTC
API
LSS
5.500
23.00
HCL-80
12450
10560
9880
890
514
551
530
0.415
4.670
4.545
5.500
23.00
N-80
11160
10560
9880
8990
502
579
530
0.415
4.670
4.545
5.500
23.00
HCN-80
12450
10560
9880
8990
514
579
530
0.415
4.670
4.545
5.500
23.00
C-90
12380
11880
11110
10120
514
579
597
0.415
4.670
4.545
5.500
23.00
S-95
12940
12540
11730
10680
566
637
630
0.415
4.670
4.545
5.500
23.00
T-95
12940
12540
11730
10680
540
608
630
0.415
4.670
4.545
5.500
23.00
C-95
12940
12540
11730
10680
540
608
630
0.415
4.670
4.545
5.500
23.00
P-110
14540
14530
13580
12360
643
724
729
0.415
4.670
4.545
5.500
23.00
Q-125
16070
16510
15430
14050
694
782
829
0.415
4.670
4.545
5.500
23.00
LS-140
17500
18490
17290
15740
771
869
928
0.415
4.670
4.545
5.500
23.00
V-150
18390
19810
18520
16860
823
927
995
0.415
4.670
4.545
5.500
26.00
C-90
14240
13630
11110
10120
598
579
676
0.476
4.548
4.423
5.500
26.00
T-95
15030
14390
11730
10680
628
608
714
0.476
4.548
4.423
5.500
26.00
C-95
15030
14390
11730
10680
628
608
714
0.476
4.548
4.423
5.500
26.00
P-110
17400
16660
13580
12360
748
724
826
0.476
4.548
4.423
5.500
26.00
Q-125
19770
18930
15430
14050
808
782
939
0.476
4.548
4.423
5.500
26.00
V-150
23720
22720
18520
16860
957
927
1127
0.476
4.548
4.423
5.500
26.80
C-90
14880
14320
707
0.500
4.500
4.375
5.500
26.80
T-95
15700
15110
746
0.500
4.500
4.375
5.500
29.70
C-90
16510
16090
785
0.562
4.376
4.251
5.500
29.70
T-95
17430
16990
828
0.562
4.376
4.251
5.500
32.60
C-90
18130
17900
861
0.625
4.250
4.125
5.500
32.60
T-95
19140
18810
909
0.625
4.250
4.125
5.500
35.30
C-90
19680
19670
935
0.687
4.126
4.001
5.500
35.30
T-95
20760
20770
987
0.687
4.126
4.001
5.500
38.00
C-90
21200
21480
1007
0.750
4.000
3.875
5.500
38.00
T-95
22380
22670
1063
0.750
4.000
3.875
5.500
40.50
C-90
22650
23250
1076
0.812
3.876
3.751
5.500
40.50
T-95
23920
24540
1136
0.812
3.876
3.751
5.500
43.10
C-90
24080
25060
1144
0.875
3.750
3.625
5.500
43.10
T-95
25400
26450
1208
0.875
3.750
3.625
5.625
26.70
L-80
12420
11870
9880
8990
488
550
617
0.477
4.671
4.544
5.625
26.70
HCL-80
14750
11870
9880
8990
501
550
617
0.477
4.671
4.544
5.625
26.70
H2S-90
14750
13360
11110
10120
514
579
694
0.477
4.671
4.544
5.625
26.70
H2S-90
14750
14100
11730
10680
539
608
733
0.477
4.671
4.544
5.625
26.70
P-110
17080
16320
13580
12360
642
724
849
0.477
4.671
4.544
5.750
16.50
J-55
3720
4620
4620
314
234
0.276
5.198
5.073
5.750
18.10
J-55
4520
5090
5090
344
286
0.304
5.142
5.017
5.750
18.10
L-80
5700
7400
7400
447
416
0.304
5.142
5.017
5.750
18.10
N-80
5700
7400
7400
466
416
0.304
5.142
5.017
5.750
18.10
C-95
6380
8790
8790
502
494
0.304
5.142
5.017
5.750
18.10
P-110
6640
10180
10180
594
572
0.304
5.142
5.017
5.750
19.70
J-55
5410
5610
5610
377
313
0.335
5.080
4.955
5.750
19.70
L-80
7030
8160
8160
490
456
0.335
5.080
4.955
5.750
19.70
N-80
7030
8160
8160
511
456
0.335
5.080
4.955
5.750
19.70
C-95
7980
9690
9690
550
541
0.335
5.080
4.955
5.750
19.70
P-110
8530
11220
11220
651
627
0.335
5.080
4.955
5.750
21.80
L-80
8740
9130
9130
545
507
0.375
5.000
4.875
5.750
21.80
N-80
8740
9130
9130
568
507
0.375
5.000
4.875
5.750
21.80
C-95
10050
10840
10840
611
602
0.375
5.000
4.875
5.750
21.80
P-110
10960
12550
12550
723
697
0.375
5.000
4.875
5.750
24.20
L-80
10650
10230
10230
605
563
0.420
4.910
4.785
5.750
24.20
N-80
10650
10230
10230
630
563
0.420
4.910
4.785
5.750
24.20
C-95
12370
12140
12140
679
668
0.420
4.910
4.785
5.750
24.20
P-110
13700
14060
14060
803
774
0.420
4.910
4.785
6.625
20.00
H-40
2520
3040
3040
184
229
0.288
6.049
5.924
6.625
20.00
J-55
2970
4180
4180
4180
4180
245
266
374
315
0.288
6.049
5.924
6.625
20.00
K-55
2970
4180
4180
4180
4180
267
290
453
315
0.288
6.049
5.924
6.625
20.00
LS-65
3190
4940
4940
4940
4940
285
309
428
373
0.288
6.049
5.924
6.625
24.00
J-55
4560
5110
5110
5110
5110
314
340
453
382
0.352
5.921
5.796
6.625
24.00
K-55
4560
5110
5110
5110
5110
342
372
548
382
0.352
5.921
5.796
6.625
24.00
LS-65
5080
6040
6040
6040
6040
366
397
518
451
0.352
5.921
5.796
6.625
24.00
L-80
5760
7440
7440
7440
473
592
555
0.352
5.921
5.796

 
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