ISO/API Oil pipeline list

specifications, weights, wall thickness, steel grades and corresponding end processing Code Outer diameterDmm Nominal weight per unit length a, b Wall thicknesstmm End processing form c 1 2 Non-thickened with threads and couplingskg/m External thickening with thread and couplingkg/m Integral jointkg/m Non-thickened with threads and couplings External thickening with thread and coupling Integral joint H40…

specifications, weights, wall thickness, steel grades and corresponding end processing

CodeOuter diameter
D
mm
Nominal weight per unit length a, bWall thickness
t
mm
End processing form c
12Non-thickened
with threads
and couplings
kg/m
External
thickening
with
thread
and coupling
kg/m
Integral
joint
kg/m
Non-thickened
with
threads
and couplings
External
thickening
with thread
and coupling
Integral
joint
H40 J55 L80 N80
Category
1, Q
C90d T95dP110
12345678910111213141516
1.050
1.050
1.14
1.48
1.20
1.54

26.67
26.67
1.70
2.20
1.79
2.29

2.87
3.91
PUN
PU
PUN
PU
PUN
PU
PUN
PU
PUN
PU
PNU
PU

PU
1.315
1.315
1.70
2.19
1.80
2.24
1.72
33.40
33.40
2.53
3.26
2.68
3.33
2.56
3.38
4.55
PNUI
PU
PNUI
PU
PNUI
PU
PNUI
PU
PNUI
PU
PNUI
PU

PU
1.660
1.660
1.660
2.09
2.30
3.03

2.40
3.07
2.10
2.33
42.16
42.16
42.16

3.42
4.51

3.57
4.57
3.13
3.47
3.18
3.56
4.85
PI
PNUI
PU
PI
PNUI
PU

PNUI
PU

PNUI
PU

PNUI
PU

PNUI
PU


PU
1.900
1.900
1.900
1.900
1.900
2.40
2.75
3.65
4.42
5.15

2.90
3.73

2.40
2.76


48.26
48.26
48.26
48.26
48.26

4.09
5.43
6.58
7.66

4.32
5.55

3.57
4.11


3.18
3.68
5.08
6.35
7.62
PI
PNUI
PU

PI
PNUI
PU


PNUI
PU
P
P

PNUI
PU


PNUI
PU
P
P

PNUI
PU
P
P


PU

2.063
2.063
3.24
4.50

3.25
52.40
52.40


4.84
3.96
5.72
PI
P
PI
P
PI
P
PI
P
PI
P
PI
P

P
2-3/8
2-3/8
2-.3/8
2-3/8
2-3/8
4.00
4.60
5.80
6.60
7.35

4.70
5.95

7.45




60.32
60.32
60.32
60.32
60.32
5.95
6.85
8.63
9.82
10.94

6.99
8.85

11.09




4.24
4.83
6.45
7.49
8.53
PU
PNU


PN
PNU


PN
PNU
PNU
P
PU
PN
PNU
PNU

PN
PNU
PNU
P
PU
PN
PNU
PNU
P
PU

PNU
PNU

2-7/8
2-7/8
2-7/8
2-7/8
2-7/8
2-7/8
6.40
7.80
8.60
9.35
10.50
11.50
6.50
7.90
8.70
9.45






73.02
73.02
73.02
73.02
73.02
73.02
9.52
11.61
12.80
13.91
15.63
17.11
9.67
11.76
12.95
14.06






5.51
7.01
7.82
8.64
9.96
11.18
PNU




PNU




PNU
PNU
PNU
PU
P
P
PNU
PNU
PNU


PNU
PNU
PNU
PU
P
P
PNU
PNU
PNU
PU
P
P
PNU
PNU
PNU


3-1/2
3-1/2
3-1/2
3-1/2
3-1/2
3-1/2
3-1/2
7.70
9.20
10.20
12.70
14.30
15.50
17.00

9.30

12.95








88.90
88.90
88.90
88.90
88.90
88.90
88.90
11.46
13.69
15.18
18.90
21.28
23.07
25.30

13.84

19.27








5.49
6.45
7.34
9.52
10.92
12.09
13.46
PU
PNU
PN



PN
PNU
PN



PN
PNU
PN
PNU
P
P
P
PN
PNU
PN
PNU


PN
PNU
PN
PNU
P
P
P
PN
PNU
PN
PNU
P
P
P

PNU
-PNU


4
4
4
4
4
4
9.50
10.70
13.20
16.10
18.90
22.20

11.00








101.60
101.60
101.60
101.60
101.60
101.60
14.14

19.64
23.96
28.13
33.04

16.37








5.74
6.65
8.38
10.54
12.70
15.49
PN
PU



PN
PU



PN
PU
P
P
P
P
PN
PU



PN
PU
P
P
P
P
PN
PU
P
P
P
P





4-1/2
4-1/2
4-1/2
4-1/2
4-1/2
4-1/2
4-1/2
12.60
15.20
17.00
18.90
21.50
23.70
26.10
12.75











114.30
114.30
114.30
114.30
114.30
114.30
114.30
18.75
22.62
25.30
28.13
32.00
35.27
38.84
18.97











6.88
8.56
9.65
10.92
12.70
14.22
16.00
PNU





PNU





PNU
P
P
P
P
P
P
PNU





PNU
P
P
P
P
P
P
PNU
P
P
P
P
P
P






P——Flat end; N——Non-thickened with threads and coupling; U——Externally thickened with threads and coupling; I——Integral joint.
aThe nominal weights per unit length with thread and coupling (columns 2 to 4) are shown for reference only.
bThe density of martensitic chromium steels (L80 9Cr and 13Cr) is different from that of carbon steels. Therefore, the weights given in the table are not exact values ​​for martensitic chromium steels. A weight correction factor of 0.989 can be used.
cNon-upset Tubing is supplied with standard couplings or special chamfered couplings. Externally upset tubing is supplied with standard couplings, special chamfered couplings or special gap couplings.

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