API-5CT石油套管知识.doc

API 5CT石油套管
Home--Parameter

力学性能：
原则
牌号
抗拉强度（MPa）
屈服强度（MPa）
伸长率（％）
硬度
API SPEC 5CT
J55
≥517
379～552
查表

K55
≥517
≥655

N80
≥689
552～758

L80(13Cr)
≥655
552～655
≤241HB
P110
≥862
758～965

化学成分：
原则
牌号
化学成分（％）
C
Si
Mn
P
S
Cr
Ni
Cu
Mo
V
Als
API SPEC 5CT
J55K55 (37Mn5)
0.34～0.39
0.20～0.35
1.25～1.50
≤0.020
≤0.015
≤0.15
≤0.20
≤0.20
/
/
≤0.020
N80 (36 Mn2V)
0.34～0.38
0.20～0.35
1.45～1.70
≤0.020
≤0.015
≤0.15
/
/
/
0.11～0.16
≤0.020
L80(13Cr)
0.15～0.22
≤1.00
0.25～1.00
≤0.020
≤0.010
12.0～14.0
≤0.20
≤0.20
/
/
≤0.020
P110 (30CrMo)
0.26～0.35
0.17～0.37
0.40～0.70
≤0.020
≤0.010
0.80～1.10
≤0.20
≤0.20
0.15～0.25
≤0.08
≤0.020

外径、薄厚、重量偏差
尺寸偏差
项目
容许偏差
外径
管体
D≤101.60mm±0.79mm
D≥114.30mm +1.0%
-0.5%

壁厚
-12.5%
重量
单根
+6.5%
+3.5%
车载量
-1.75

长度范围
长度
项目
范围1
范围2
范围3
油管
6.10-7.32m
8.53-9.75m
-
套管
4.88-7.62m
7.62-10.36m
10.36-14.63m

描述：油管
原则：API SPEC 5CT、API SPEC 5B、ISO 11960
用途：油管用于油井中抽取石油或天然气。
油管规格：
尺寸代号
重量代码
外　径
壁　厚
端部加工形式
钢　　　　级
不加厚
外加厚
in
mm
in
mm
J55
L80-1
N80
C90
T95
P110
1.900"
2.40
-
1.900
48.26
0.125
3.18
PI
-
-
-
-
-
2.75
2.90
1.900
48.26
0.145
3.68
PNUI
PNUI
PNUI
PNUI
PNUI
-
3.65
-
1.900
48.26
0.200
5.08
PU
PU
PU
PU
PU
PU
2 3/8"
4.00
-
2.375
60.32
0.167
4.24
PN
PN
PN
PN
PN
-
4.00
4.70
2.375
60.32
0.190
4.83
PNU
PNU
PNU
PNU
PNU
-
5.80
5.95
2.375
60.32
0.254
6.45
-
PNU
PNU
PNU
PNU
PNU
6.60
-
2.375
60.32
0.259
7.49
-
P
-
P
P
PNU
7.35
7.45
2.375
60.32
0.336
8.53
-
PU
-
PU
PU
-
2 7/8"
6.40
6.50
2.875
73.02
0.217
5.51
PNU
PNU
PNU
PNU
PNU
-
7.80
7.90
2.875
73.02
0.276
7.01
-
PNU
PNU
PNU
PNU
PNU
8.60
8.70
2.875
73.02
0.308
7.82
-
PNU
PNU
PNU
PNU
PNU
9.35
9.45
2.875
73.02
0.340
8.64
-
PU
-
PU
PU
PNU
10.50
-
2.875
73.02
0.392
9.96
-
P
-
P
P
-
11.50
-
2.875
73.02
0.440
11.18
-
P
-
P
P
-
3 1/2"
7.70
-
3.500
88.90
0.216
5.49
PN
PN
PN
PN
PN
-
9.20
9.30
3.500
88.90
0.254
6.54
PNU
PNU
PNU
PNU
PNU
-
10.20
-
3.500
88.90
0.289
7.34
PN
PN
PN
PN
PN
PNU
12.70
12.95
3.500
88.90
0.375
9.52
-
PNU
PNU
PNU
PNU
-
14.30
-
3.500
88.90
0.430
10.92
-
P
-
P
P
PNU
15.50
-
3.500
88.90
0.476
12.00
-
P
-
P
P
-
17.00
-
3.500
88.90
0.530
13.46
-
P
-
P
P
-
4"
9.50
-
4.000
101.60
0.226
5.74
PN
PN
PN
PN
PN
-
10.70
11.00
4.000
101.60
0.262
6.65
PU
PU
PU
PU
PU
-
4 1/2"
12.60
12.75
4.500
114.30
0.271
6.88
PNU
PNU
PNU
PNU
PNU
-
15.20
-
4.500
114.30
0.337
8.56
-
P
-
P
P
-
17.00
-
4.500
114.30
0.380
9.65
-
P
-
P
P
-
18.90
-
4.500
114.30
0.430
10.92
-
P
-
P
P
-
21.50
-
4.500
114.30
0.500
12.70
-
P
-
P
P
-
23.70
-
4.500
114.30
0.560
14.22

P

P
P
-
26.10
-
4.500
114.30
0.630
16.00
-
P
-
P
P
-
注：P--平头；N--不加厚；U--外加厚；T&C--车螺纹带接箍；I--整体接头。  

描述：石油套管
原则：API SPEC 5CT、API SPEC 5B、ISO 11960
套管规格：
尺寸
代号
重量
代号
外　径
壁　厚
端部加工形式
钢　　　　级
in
mm
in
mm
J55
K55
L80-1
N80
C90
C95
T95
P110
M65
4 1/2"
9.50
4.500
114.30
0.205
5.21
PS
-
-
-
-
-
-
-
10.50
4.500
114.30
0.224
5.69
PSB
-
-
-
-
-
-
-
11.60
4.500
114.30
0.250
6.35
PSLB
PLB
PLB
PLB
PLB
PLB
PLB
PLB
13.50
4.500
114.30
0.290
7.37
-
PLB
PLB
PLB
PLB
PLB
PLB
PLB
15.10
4.500
114.30
0.337
8.56
-
-
-
-
-
-
PLB
-
5"
11.50
5.000
127.00
0.220
5.59
PS
-
-
-
-
-
-
-
13.00
5.000
127.00
0.253
7.52
PSLB
-
-
-
-
-
-
-
15.00
5.000
127.00
0.296
9.19
PSLB
PLB
PLB
PLB
PLB
PLB
PLB
PLB
18.00
5.000
127.00
0.362
9.19
-
PLB
PLB
PLB
PLB
PLB
PLB
PLB
21.40
5.000
127.00
0.437
11.10
-
PLB
PLB
PLB
PLB
PLB
PLB
PLB
23.20
5.000
127.00
0.478
12.14
-
PLB
PLB
PLB
PLB
PLB
PLB
PLB
24.10
5.000
127.00
0.500
12.70
-
PLB
PLB
PLB
PLB
PLB
PLB
PLB
5 1/2"
14.00
5.500
139.70
0.244
6.20
PS
-
-
-
-
-
-
-
15.50
5.500
139.70
0.275
6.98
PSLB
-
-
-
-
-
-
-
17.00
5.500
139.70
0.304
7.72
PSLB
PLB
PLB
PLB
PLB
PLB
PLB
PLB
20.00
5.500
139.70
0.361
9.17
-
PLB
PLB
PLB
PLB
PLB
PLB
PLB
23.00
5.500
139.70
0.415
10.54
-
PLB
PLB
PLB
PLB
PLB
PLB
PLB
26.80
5.500
139.70
0.500
12.70
-
-
-
P
-
P
P
P
29.70
5.500
139.70
0.562
14.27
-
-
-
P
-
P
P
P
32.60
5.500
139.70
0.625
15.88
-
-
-
P
-
P
P
P
35.30
5.500
139.70
0.687
17.45
-
-
-
P
-
P
P
P
38.00
5.500
139.70
0.750
19.05
-
-
-
P
-
P
P
P
40.50
5.500
139.70
0.812
20.62
-
-
-
P
-
P
P
P
43.10
5.500
139.70
0.875
22.22
-
-
-
P
-
P
P
P
6 5/8"
20.00
6.625
168.28
0.288
7.32
PSLB
-
-
-
-
-
-
-
24.00
6.625
168.28
0.352
8.94
PSLB
PLB
PLB
PLB
PLB
PLB
PLB
PLB
28.00
6.625
168.28
0.417
10.59
-
PLB
PLB
PLB
PLB
PLB
PLB
PLB
32.00
6.625
168.28
0.475
12.06
-
PLB
PLB
PLB
PLB
PLB
PLB
PLB
7"
20.00
7.000
177.80
0.272
6.91
PS
-
-
-
-
-
-
PS
23.00
7.000
177.80
0.317
8.05
PSLB
PLB
PLB
PLB
PLB
-
-
PLB
26.00
7.000
177.80
0.362
9.19
PSLB
PLB
PLB
PLB
PLB
PLB
PLB
PLB
29.00
7.000
177.80
0.408
10.36
-
PLB
PLB
PLB
PLB
PLB
PLB
PLB
32.00
7.000
177.80
0.453
11.51
-
PLB
PLB
PLB
PLB
PLB
PLB
PLB
35.00
7.000
177.80
0.498
12.65
-
PLB
PLB
PLB
PLB
PLB
PLB
PLB
38.00
7.000
177.80
0.540
13.72
-
PLB
PLB
PLB
PLB
PLB
PLB
PLB
7 5/8"
26.40
7.625
193.68
0.328
8.33
PSLB
PLB
PLB
PLB
PLB
PLB
PLB
-
29.70
7.625
193.68
0.375
9.52
-
PLB
PLB
PLB
PLB
PLB
PLB
PLB
33.70
7.625
193.68
0.430
10.92
-
PLB
PLB
PLB
PLB
PLB
PLB
PLB
39.00
7.625
193.68
0.500
12.70
-
PLB
PLB
PLB
PLB
PLB
PLB
PLB
42.80
7.625
193.68
0.562
14.27
-
PLB
PLB
PLB
PLB
PLB
PLB
PLB
45.30
7.625
193.68
0.595
15.11
-
PLB
PLB
PLB
PLB
PLB
PLB
PLB
47.10
7.625
193.68
0.625
15.88
-
PLB
PLB
PLB
PLB
PLB
PLB
PLB
8 5/8"
24.00
8.625
219.08
0.264
6.71
PS
-
-
-
, -
-
-
-
28.00
8.625
219.08
0.304
7.72
-
-
-
-
-
-
-
-
32.00
8.625
219.08
0.352
8.94
PSLB
-
-
-
-
-
-
-
36.00
8.625
219.08
0.400
10.16
PSLB
PLB
PLB
PLB
PLB
PLB
PLB
-
40.00
8.625
219.08
0.450
11.43
-
PLB
PLB
PLB
PLB
PLB
PLB
PLB
44.00
8.625
219.08
0.500
12.70
-
PLB
PLB
PLB
PLB
PLB
PLB
PLB
49.00
8.625
219.08
0.557
14.15
-
PLB
PLB
PLB
PLB
PLB
PLB
PLB
9 5/8”
32.30
9.625
244.48
0.312
7.92
-
-
-
-
-
-
-
-
36.00
9.625
244.48
0.352
8.94
PSLB
-
-
-
-
-
-
PSLB
40.00
9.625
244.48
0.395
10.03
PSLB
PLB
PLB
PLB
PLB
PLB
-
PSLB
43.50
9.625
244.48
0.435
11.05
-
PLB
PLB
PLB
PLB
PLB
PLB
-
47.00
9.625
244.48
0.472
11.99
-
PLB
PLB
PLB
PLB
PLB
PLB
-
53.50
9.625
244.48
0.545
13.84
-
PLB
PLB
PLB
PLB
PLB
PLB
-
58.40
9.625
244.48
0.595
15.11
-
PLB
PLB
PLB
PLB
PLB
PLB
-
59.40
9.625
244.48
0.609
15.47
-
-
-
P
-
P
-
-
64.90
9.625
244.48
0.672
17.07
-
-
-
P
-
P
-
-
70.30
9.625
244.48
0.734
18.64
-

-
P
-
P
-
-
75.60
9.625
244.48
0.797
20.24
-
-
-
P
-
P
-
-
10 3/4”
32.75
10.750
273.05
0.279
7.09
-
-
-
-
-
-
-
-
40.50
10.750
273.05
0.350
8.89
PSB
-
-
-
-
-
-
PSB
45.50
10.750
273.05
0.400
10.16
PSB
-
-
-
-
-
-
PSB
51.00
10.750
273.05
0.450
11.43
PSB
PSB
PSB
PSB
PSB
PSB
PSB
PSB
55.50
10.750
273.05
0.495
12.57
-
PSB
PSB
PSB
PSB
PSB
PSB
PSB
60.70
10.750
273.05
0.545
13.34
-
-
-
PSB
-
PSB
PSB
-
65.70
10.750
273.05
0.595
15.11
-
-
-
PSB
-
PSB
PSB
-
73.20
10.750
273.05
0.672
17.07
-
-

P
-
P
-
-
79.20
10.750
273.05
0.734
18.64
-
-
-
P
-
P
-
-
85.30
10.750
273.05
0.797
20.24
-
-
-
P
-
P
-
-
11 3/4”
42.00
11.750
298.45
0.333
8.46
-
-
-
-
-
-
-
-
47.00
11.750
298.45
0.375
9.53
PSB
-
-
-
-
-
-
PSB
54.00
11.750
298.45
0.435
11.05
PSB
-
-
-
-
-
-
PSB
60.00
11.750
298.45
0.489
12.42
PSB
PSB
PSB
PSB
PSB
PSB
PSB
PSB
65.00
11.750
298.45
0.534
13.56
-
P
P
P
P
P
P
-
71.0
11.750
298.45
0.582
14.78
-
P
P
P
P
P
P
-
13 3/8”
48.00
13.375
339.72
0.330
8.38
-
-
-
-
-
-
-
-
54.50
13.375
339.72
0.380
9.65
PSB
-
-
-
-
-
-
PSB
61.00
13.375
339.72
0.430
10.92
PSB
-
-
-
-
-
-
PSB
68.00
13.375
339.72
0.480
12.19
PSB
PSB
PSB
PSB
PSB
PSB
PSB
PSB
72.00
13.375
339.72
0.514
13.06
-
PSB
PSB
PSB
PSB
PSB
PSB
-
16
65.00
-
406.40
-
9.53
-
-
-
-
-
-
-
-
16
75.00
-
406.40
-
11.13
-
-
-
-
-
-
-
-
16
84.00
-
406.40
-
12.57
-
-
-
-
-
-
-
-
16
109.00
-
406.40
-
16.66
-
-
-
-
-
-
-
-
18 5/8”
87.20
-
473.08
-
11.05
-
-
-
-
-
-
-
-
20
94.00
-
508.00
-
11.13
-
-
-
-
-
-
-
-
20
106.50
-
508.00
-
12.70
-
-
-
-
-
-
-
-
20
133.00
-
508.00
-
16.13
-
-
-
-
-
-
-
-
注：P--平端；S--短圆螺纹；L--长圆螺纹；B--偏梯形螺纹

接箍 Coupling：
1、原则接箍 Stabdard Coupling
2、特殊间歇接箍 Special Space Coupling
3、特殊倒角接箍 Special Bevellde Coupling
4、改善型带密封环接箍 API Improved Seal-Ring Coupling(SR13)
5、组合接箍或异径接箍 Combination Coupling or Special Diameter Coupling
短节或连接管 Pup Joint or Connector：
包括所有油套管规格、螺纹或其他组合
All Size,thread or their combination of tubing and casing are supplied.
尺寸偏差 Dimensions and Tolerances：
外径、壁厚、重量容许偏差 Outside Diameter,Wall Thickness and Weight Tolerances:
项目Item
容许偏差Tolerance
外径
Outside Diameter
管体Pipe Body
D≤101.60mm±0.79m
D≤114.30mm±
＋1.0%D
-0.5%D
接箍 coupling
±1%D
壁厚Wall Thickness
0,-12.5%t
重量 Weight
单根Single Lengths
＋6.5%
-3.5%
车载量Carload Lots
0,-1.75%

螺纹参数容许偏差 Thread Parameter Tolerances：
品种规格
Type and Size
锥度
taper
mm/m
螺距Pitch mm
齿 高
Height
mm
螺纹角度
Angle
度
deg.
螺纹长度a
Length L4
（外螺纹
External
Thread）
管 端
倒 角
Chamfer on
End of Pipe
度
deg.
紧密矩a
Standoff
每英寸
Per Inch
累 计
Accu-
mulative
管体螺纹
Pipe
Thread
接箍螺纹
Coupling
Thread
圆螺纹油管
Round Thread
Tubing
2 3/8"～4 1/2"
10
牙/英寸
Threads
per inch
+5.208
-2.600
±0.76
±0.152
+0.051
-0.102
11/2
11/2P
+5
-0
±11/2P
±11/2P
8
牙/英寸
Threads
per inch
+5.208
-2.600
±0.76
±0.152
+0.051
-0.102
11/2
1P
+5
-0
±1P
±1P
圆螺纹套管 Round Thread Casing 4"～7"
+5.208
-2.600
±0.76
±0.152
+0.051
-0.102
11/2
1P
+5
-0
±1P
±1P
偏梯形螺纹套管
Buttress Thread
Casing
4 1/2"～7"
接箍
Coupling
+4.50
-2.50
±0.051
±0.102
±0.025
/
-
+5
-0
+11/2P
-0
+0
-11/2P

完整螺纹
Perfect thread
+3.50
-1.50
不完整螺纹
Lmperfect
thread length
+4.50
-1.50
注a:p---螺距
Note 啊：p---Pitch.

接箍料常用规格
Normal size range of coupling stock
代号 Labels
外径 OD（mm）
壁厚WT（mm）
2 3/8
72
12
2 3/8 EU
78
12
2 7/8
89
13
2 7/8 EU
94
13
3 1/2
108
15
3 1/2 EU
114
15.5
4
121
15.5
4 EU
127
16
4 1/2
132
15.5
41/2 EU
141
15
5
141
14.5
5 1/2
154
14.5
6 5/8
188
15
7
195
17
7 5/8
216
19.5
8 5/8
245
21.5
9 5/8
270
21.5
10 3/4
299
21.5
11 3/4
324
21.5
13 3/8
365
25.4
16
432
22
Specifications
coupling 
1.OD: 2-3/8"-20". 
2.Grade:J55 K55 N80 P110 ect. 
3.Thread :NU EU STC LTC BTC. 
4.Standard: API 5CT. 

1.product name : tubing coupling
2.Standard:UL 6/ ANSI C80.1 
3.trade Size: 1/2" - 6" 
4.Surface: zinc plate on both out side and inner side , or hot dipped galvanzied and zinc plate on out side and zinc plate on inner side
5.Material : seamless steel pipe
6.Certificate:UL Listed, certificate No.E308290
7.General
  Coupling is manufactured from seamless steel pipe, and produced according to the standard of ANSI C80.1(UL6). We can produce hot-dipped galvanized at external surface and electro-galvanized at internal thread or electro-galvanzied totally . The coupling is used to connect the conduit to extend the length of the conduit
Usage: This Rigid Conduit Coupling is used for RSC connection to extend the length of the conduit

Threaded Couplings
Trade Size
Standard Carton Qty
Weight Per 100 pcs(Lbs)
Outside Diameter "B" (in)
Length "A"
1/2"
100
14
1.01
1-5/8"
3/4"
50
20
1.25
1-41/64"
1"
30
31
1.53
1-31/32"
1-1/4"
25
39
1.87
2-1/32"
1-1/2"
25
56
2.16
2-1/16"
2"
20
73
2.65
2-1/8"
2-1/2"
24
185
3.25
3-3/16"
3"
16
226
3.87
3-5/16"
3-1/2"
12
358
4.50
3-13/32"
4"
10
400
4.88
3-33/64"
5"
Bulk
497
6.00
3-61/64"
6"
Bulk
816
7.20
4-1/4"

The API couplings for tubing and casing pipes
Size and Specifications For Tubing and Casing Couplings.
Descriptions and size
Type of Therad
O.D*L
(mm)
Weight
(kg)
Tubing Coupling

1.050
NUE
33.35*80.96
0.23
1.050
EUE
42.16*82.55
0.38
1.315
NUE
42.16*82.55
0.38
1.315
EUE
48.26*88.90
0.57
1.660
NUE
52.17*88.90
0.59
1.660
EUE
58.88*95.25
0.68
1.900
NUE
55.88*95.25
0.56
1.900
EUE
63.50*98.42
0.84
2-3/8"
NUE
73.02*107.95
1.28
2-3/8"
EUE
77.80*132.82
1.55
2-7/8"
NUE
88.90*130.18
2.34
2-7/8"
EUE
93.17*133.35
2.40
3-1/2"
NUE
107.95*142.88
3.71
3-1/2"
EUE
114.30*146.05
4.10
4"
NUE
120.65*146.05
4.35
4"
EUE
127.00*152.40
4.82
4-1/2"
NUE
132.08*155.58
4.89
4-1/2"
EUE
141.30*158.75
6.05
Casing Coupling

4-1/2"
STC
127.00*158.75
5.23
4-1/2"
LTC
127.00*177.80
4.15
4-1/2"
BTC
127.00*225.42
4.55
5"
STC
141.30*165.10
4.66
5"
LTC
141.30*196.85
5.75
5"
BTC
141.30*231.78
5.85
5-1/2"
STC
153.67*171.45
5.23
5-1/2"
LTC
153.67*203.20
6.42
5-1/2"
BTC
153.67*234.95
6.36
6-5/8"
STC
187.71*184.15
9.12
6-5/8"
LTC
187.71*222.25
11.34
6-5/8"
BTC
187.71*244.48
11.01
7"
STC
194.46*184.15
8.39
7"
LTC
194.46*228.60
10.83
7"
BTC
194.46*254.00
10.54
7-5/8"
STC
215.90*190.50
12.30
7-5/8"
LTC
215.90*234.95
15.63
7-5/8"
BTC
215.90*263.52
15.82
8-5/8"
STC
244.48*196.85
16.23
8-5/8"
LTC
244.48*254.00
21.67
8-5/8"
BTC
244.48*269.88
20.86
9-5/8"
STC
269.88*196.85
18.03
9-5/8"
LTC
269.88*266.70
25.45
9-5/8"
BTC
269.88*269.88
23.16
10-3/4"
STC
298.45*203.20
20.78
10-3/4"
BTC
298.45*269.88
25.74
11-3/4'
STC
323.85*203.20
22.64
11-3/4'
BTC
323.85*269.88
28.03
13-3/8"
STC
365.12*203.20
25.66
13-3/8"
BTC
365.12*269.88
31.77
16"
STC
431.80*228.6
34.91
16"
BTC
431.80*269.88
40.28
18-5/8"
STC
508.00*228.60
51.01
18-5/8"
BTC
508.00*269.88
62.68
20"
STC
533.40*228.6
43.42
20"
LTC
533.4*292.10
57.04
20"
BTC
533.40*269.88
50.10