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steel pipes

Dimensions and Weights Welded and Seamless Stainless Steel Pipe according to ASME B36.19

NPS
(DN)
ID OD
IN
(MM)
WT
IN
(MM)
WEIGHT
LB/FT
(KG/M)
1/8
(6)
5S 0.405
(10.3)
Note 1 ...
1/8
(6)
10S 0.405
(10.3)
0.049
(1.24)
Note 1
0.19
(0.28)
1/8
(6)
40S 0.405
(10.3)
0.068
(1.73)
0.24
(0.37)
1/8
(6)
80S 0.405
(10.3)
0.095
(2.41)
0.31
(0.47)
1/4
(8)
5S 0.54
(13.7)
Note 1 ...
1/4
(8)
10S 0.54
(13.7)
0.065
(1.65)
Note 1
0.33
(0.49)
1/4
(8)
40S 0.54
(13.7)
0.088
(2.24)
0.43
(0.63)
1/4
(8)
80S 0.54
(13.7)
0.119
(3.02)
0.54
(0.8)
3/8
(10)
5S 0.675
(17.1)
Note 1 ...
3/8
(10)
10S 0.675
(17.1)
0.065
(1.65)
Note 1
0.42
(0.63)
3/8
(10)
40S 0.675
(17.1)
0.091
(2.31)
0.57
(0.84)
3/8
(10)
80S 0.675
(17.1)
0.126
(3.2)
0.74
(1.1)
1/2
(15)
5S 0.84
(21.3)
0.065
(1.65)
Note 1
0.54
(0.8)
1/2
(15)
10S 0.84
(21.3)
0.083
(2.11)
Note 1
0.67
(1.0)
1/2
(15)
40S 0.84
(21.3)
0.109
(2.77)
0.85
(1.27)
1/2
(15)
80S 0.84
(21.3)
0.147
(3.73)
1.09
(1.62)
3/4
(20)
5S 1.05
(26.7)
0.065
(1.65)
Note 1
0.68
(1.02)
3/4
(20)
10S 1.05
(26.7)
0.083
(2.11)
Note 1
0.86
(1.28)
3/4
(20)
40S 1.05
(26.7)
0.113
(2.87)
1.13
(1.69)
3/4
(20)
80S 1.05
(26.7)
0.154
(3.91)
1.48
(2.2)
1
(25)
5S 1.315
(33.4)
0.065
(1.65)
Note 1
0.87
(1.29)
1
(25)
10S 1.315
(33.4)
0.109
(2.77)
Note 1
1.41
(2.09)
1
(25)
40S 1.315
(33.4)
0.133
(3.38)
1.68
(2.5)
1
(25)
80S 1.315
(33.4)
0.179
(4.55)
2.17
(3.24)
1.1/4
(32)
5S 1.66
(42.2)
0.065
(1.65)
Note 1
1.11
(1.65)
1.1/4
(32)
10S 1.66
(42.2)
0.109
(2.77)
Note 1
1.81
(2.69)
1.1/4
(32)
40S 1.66
(42.2)
0.14
(3.56)
2.27
(3.39)
1.1/4
(32)
80S 1.66
(42.2)
0.191
(4.85)
3.0
(4.47)
1.1/2
(40)
5S 1.9
(48.3)
0.065
(1.65)
Note 1
1.28
(1.9)
1.1/2
(40)
10S 1.9
(48.3)
0.109
(2.77)
Note 1
2.09
(3.11)
1.1/2
(40)
40S 1.9
(48.3)
0.145
(3.68)
2.72
(4.05)
1.1/2
(40)
80S 1.9
(48.3)
0.2
(5.08)
3.63
(5.41)
Stainless Steel Pipe
2
(50)
5S 2.375
(60.3)
0.065
(1.65)
Note 1
1.61
(2.39)
2
(50)
10S 2.375
(60.3)
0.109
(2.77)
Note 1
2.64
(3.93)
2
(50)
40S 2.375
(60.3)
0.154
(3.91)
3.66
(5.44)
2
(50)
80S 2.375
(60.3)
0.218
(5.54)
5.03
(7.48)
2.1/2
(65)
5S 2.875
(73)
0.083
(2.11)
Note 1
2.48
(3.69)
2.1/2
(65)
10S 2.875
(73)
0.12
(3.05)
Note 1
3.53
(5.26)
2.1/2
(65)
40S 2.875
(73)
0.203
(5.16)
5.8
(8.63)
2.1/2
(65)
80S 2.875
(73)
0.276
(7.01)
7.67
(11.41)
3
(80)
5S 3.5
(88.9)
0.083
(2.11)
Note 1
3.03
(4.52)
3
(80)
10S 3.5
(88.9)
0.12
(3.05)
Note 1
4.34
(6.46)
3
(80)
40S 3.5
(88.9)
0.216
(5.49)
7.58
(11.29)
3
(80)
80S 3.5
(88.9)
0.3
(7.62)
10.26
(15.27)
3.1/2
(90)
5S 4.0
(101.6)
0.083
(2.11)
Note 1
3.48
(5.18)
3.1/2
(90)
10S 4.0
(101.6)
0.12
(3.05)
Note 1
4.98
(7.41)
3.1/2
(90)
40S 4.0
(101.6)
0.226
(5.74)
9.12
(13.57)
3.1/2
(90)
80S 4.0
(101.6)
0.318
(8.08)
12.52
(18.64)
4
(100)
5S 4.5
(114.3)
0.083
(2.11)
Note 1
3.92
(5.84)
4
(100)
10S 4.5
(114.3)
0.12
(3.05)
Note 1
5.62
(8.37)
4
(100)
40S 4.5
(114.3)
0.237
(6.02)
10.8
(16.08)
4
(100)
80S 4.5
(114.3)
0.337
(8.56)
15.0
(22.32)
5
(125)
5S 5.563
(141.3)
0.109
(2.77)
Note 1
6.36
(9.46)
5
(125)
10S 5.563
(141.3)
0.134
(3.4)
Note 1
7.78
(11.56)
5
(125)
40S 5.563
(141.3)
0.258
(6.55)
14.63
(21.77)
5
(125)
80S 5.563
(141.3)
0.375
(9.53)
20.8
(30.97)
6
(150)
5S 6.625
(168.3)
0.109
(2.77)
Note 1
7.59
(11.31)
6
(150)
10S 6.625
(168.3)
0.134
(3.4)
Note 1
9.3
(13.83)
6
(150)
40S 6.625
(168.3)
0.28
(7.11)
18.99
(28.26)
6
(150)
80S 6.625
(168.3)
0.432
(10.97)
28.6
(42.56)
8
(200)
5S 8.625
(219.1)
0.109
(2.77)
Note 1
9.92
(14.78)
8
(200)
10S 8.625
(219.1)
0.148
(3.76)
Note 1
13.41
(19.97)
8
(200)
40S 8.625
(219.1)
0.322
(8.18)
28.58
(42.55)
8
(200)
80S 8.625
(219.1)
0.5
(12.7)
43.43
(64.64)
10
(250)
5S 10.75
(273)
0.134
(3.4)
Note 1
15.21
(22.61)
10
(250)
10S 10.75
(273)
0.165
(4.19)
Note 1
18.67
(27.78)
10
(250)
40S 10.75
(273)
0.365
(9.27)
40.52
(60.29)
10
(250)
80S 10.75
(273)
0.5
(12.7)
Note 2
54.79
(81.53)
12
(300)
5S 12.75
(323.8)
0.156
(3.96)
Note 1
21.0
(31.24)
12
(300)
10S 12.75
(323.8)
0.18
(4.57)
Note 1
24.19
(35.98)
12
(300)
40S 12.75
(323.8)
0.375
(9.53)
Note 2
49.61
(73.86)
12
(300)
80S 12.75
(323.8)
0.5
(12.7)
Note 2
65.48
(97.44)
Stainless Steel Pipe
14
(350)
5S 14.0
(355.6)
0.156
(3.96)
Note 1
23.09
(34.34)
14
(350)
10S 14.0
(355.6)
0.188
(4.78)
Notes
(1),(2)
27.76
(41.36)
14
(350)
40S 14.0
(355.6)
0.375
(9.53)
Note 2
54.62
(81.33)
14
(350)
80S 14.0
(355.6)
0.5
(12.7)
Note 2
72.16
(107.4)
16
(400)
5S 16.0
(406.4)
0.165
(4.19)
Note 1
27.93
(41.56)
16
(400)
10S 16.0
(406.4)
0.188
(4.78)
Notes
(1),(2)
31.78
(47.34)
16
(400)
40S 16.0
(406.4)
0.375
(9.53)
Note 2
62.64
(93.27)
16
(400)
80S 16.0
(406.4)
0.5
(12.7)
Note 2
82.85
(123.31)
18
(450)
5S 18.0
(457)
0.165
(4.19)
Note 1
31.46
(46.79)
18
(450)
10S 18.0
(457)
0.188
(4.78)
Notes
(1),(2)
35.8
(53.31)
18
(450)
40S 18.0
(457)
0.375
(9.53)
Note 2
70.65
(...)
18
(450)
80S 18.0
(457)
0.5
(12.7)
Note 2
93.54
(...)
20
(500)
5S 20.0
(508)
0.188
(4.78)
Note 1
39.82
(59.32)
20
(500)
10S 20.0
(508)
0.218
(5.54)
Notes
(1),(2)
46.1
(68.65)
20
(500)
40S 20.0
(508)
0.375
(9.53)
Note 2
78.67
(117.15)
20
(500)
80S 20.0
(508)
0.5
(12.7)
Note 2
104.23
(155.13)
22
(550)
5S 22.0
(559)
0.188
(4.78)
Note 1
43.84
(65.33)
22
(550)
10S 22.0
(559)
0.218
(5.54)
Notes
(1),(2)
50.76
(75.62)
22
(550)
40S 22.0
(559)
... ...
22
(550)
80S 22.0
(559)
... ...
24
(600)
5S 24.0
(610)
0.218
(5.54)
Note 1
55.42
(82.58)
24
(600)
10S 24.0
(610)
0.25
(6.35)
Note 1
63.47
(94.53)
24
(600)
40S 24.0
(610)
0.375
(9.53)
Note 2
94.71
(141.12)
24
(600)
80S 24.0
(610)
0.5
(12.7)
Note 2
125.61
(187.07)
30
(750)
5S 30.0
(762)
0.25
(6.35)
Note 1
79.51
(118.34)
30
(750)
10S 30.0
(762)
0.312
(7.92)
Note 1
99.02
(147.29)
30
(750)
40S 30.0
(762)
... ...
30
(750)
80S 30.0
(762)
... ...
Stainless Steel Pipe

GENERAL NOTES:

NOTES:

  1. These wall thicknesses do not permit threading in accordance with ASME B1.20.1.
  2. These dimensions do not conform to ASME B36.10M.

Dimensional Tolerances for Seamless and Welded Pipes ASTM A530

PIPES OUTSIDE DIAMETER TOLERANCE
PIPE NPS/ DN/ OD Allowed Outside Diameter Tolerance
Over Under
inches mm inches mm
NPS 1/8 to 1.1/2
DN 6 to 40
OD 10.3 to 48.3 mm
1/64 0.4 1/64 0.4
Over 1.1/2 to 4
DN 40 to 100
OD 48.3 to 114.3 mm
1/32 0.8 1/32 0.8
Over 4 to 8
DN 100 to 200
OD 114.3 to 219.1 mm
1/16 1.6 1/32 0.8
Over 8 to 18
DN 200 to 450
OD 219.1 to 457 mm
3/32 2.4 1/32 0.8
Over 18 to 26
DN 450 to 650
OD 457 to 660 mm
1/8 3.2 1/32 0.8
PIPES INSIDE DIAMETER TOLERANCE
PIPES WALL THICKNESS TOLERANCE
PIPE NPS/ DN/ OD Tolerance, % from Nominal
Over Under
NPS 1/8 to 2.1/2, incl. all t/D ratios
DN 6 to 65
OD 10.3 to 73.0, mm
20.0 12.5
NPS 3 to 18, incl. t/D up to 5%
DN 80 to 450
OD 88.9 to 457, mm
22.5 12.5
NPS 3 to 18, incl. t/D > 5%
DN 80 to 450
OD 88.9 to 457, mm
15.0 12.5
NPS 20 and larger, incl. welded, all t/D ratios
DN 500
OD 508, mm
17.5 12.5
NPS 20 and larger, incl. seamless, t/D up to 5%
DN 500
OD 508, mm
22.5 12.5
NPS 20 and larger, incl. seamless, t/D > 5%
DN 500
OD 508, mm
15.0 12.0
PIPES WEIGHT TOLERANCE

The pipes weight tolerance depends on the nominal pipe size.

PIPES LENGTH TOLERANCE
Stainless Steel Pipe

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