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ASME B36.10/36.19 Pipe Dimensions Charts

Looking for steel pipe size charts? The ASME B36.10 and ASME B36.19 specifications cover the dimensions of seamless and welded steel pipes for high and low-temperature service, providing combinations of pipe outside and inside diameter (OD, ID), pipe thickness (WT, designated in “schedule”) and pipes theoretical weights (in pounds per foot and kilogram per meter). ASME B36.10 applies to carbon and alloy steel pipes (example A53, A106, A333, A335); ASME B36.19 applies to stainless steel, duplex, and nickel alloy pipes (like A312, A790, A928, B161, etc).

Dimensions and weights (in KGS/meter) of carbon and alloy steel pipes

ASME B36.10 WEIGHTS IN LBS/FT.

First line: wall thickness in mm; second line: pipes weight (in Lbs per Foot)

NPSOD Inch.5S510S10203040S/STD.406080S/XS80100120140160XXS
1/80.405.035
.1383
.049
.1863
.049
.1863
.068
.2447
.068
.2447
.095
.3145
.095
.3145
1/40.54.049
.2570
.065
.3297
.065
.3297
.088
.4248
.088
.4248
.119
.5351
.119
.5351
3/80.675.049
.3276
.065
.4235
.065
.4235
.091
.5676
.091
.5676
.126
.7338
.126
.7338
1/20.84.065
.5383
.065
.5383
.083
.6710
.083
.6710
.109
.8510
.109
.8510
.147
1.088
.147
1.088
.187
1.304
.294
1.714
3/41.05.065
.6838
.065
.6838
.083
.8572
.083
.8572
.113
1.131
.113
1.131
.154
1.474
.154
1.474
.218
1.937
.308
2.441
11.315.065
.8678
.065
.8678
.109
1.404
.109
1.404
.133
1.679
.133
1.679
.179
2.172
.179
2.172
.250
2.844
.358
3.659
1-1/41.66.065
1.107
.065
1.107
.109
1.806
.109
1.806
.140
2.273
.140
2.273
.191
2.997
.191
2.997
.250
3.765
.382
5.214
1-1/21.9.065
1.274
.065
1.274
.109
2.085
.109
2.085
.145
2.718
.145
2.718
.200
3.631
.200
3.631
.281
4.859
.400
6.408
22.375.065
1.604
.065
1.604
.109
2.638
.109
2.638
.154
3.653
.154
3.653
.218
5.022
.218
5.022
.343
7.444
.436
9.029
2-1/22.875.083
2.475
.083
2.475
.120
3.531
.120
3.531
.203
5.793
.203
5.793
.276
7.661
.276
7.661
.375
10.01
.552
13.70
33.5.083
3.029
.083
3.029
.120
4.332
.120
4.332
.216
7.576
.216
7.576
.300
10.25
.300
10.25
.437
14.32
.600
18.58
3-1/24.083
3.472
.083
3.472
.120
4.973
.120
4.973
.226
9.109
.226
9.109
.318
12.51
.318
12.51
.636
22.85
44.5.083
3.915
.083
3.915
.120
5.613
.120
5.613
.237
10.79
.237
10.79
.281
12.66
.337
14.98
.337
14.98
.437
19.01
.531
22.51
.674
27.54
4-1/25.247
12.53
.355
17.61
.710
32.53
55.563.109
6.349
.109
6.349
.134
7.770
.134
7.770
.258
14.62
.258
14.62
.375
20.78
.375
20.78
.500
27.04
.625
32.96
.750
38.55
66.625.109
7.585
.109
7.585
.134
9.290
.134
9.290
.280
18.97
.280
18.97
.432
28.57
.432
28.57
.562
36.39
.718
45.3
.864
53.16
77.625.301
23.57
.500
38.05
.875
63.08
88.6250.1090.109.148
13.40
.148
13.40
.250
22.36
.277
24.70
.322
28.55
.322
28.55
.406
35.64
.500
43.39
.500
43.39
.593
50.87
.718
60.93
.812
67.76
.906
74.69
.885
72.42
99.625.342
33.9
.500
48.72
1010.75.134
15.19
.134
15.19
.165
18.65
.165
18.65
.250
28.04
.307
34.24
.365
40.48
.365
40.48
.500
54.74
.500
54.74
.593
64.33
.718
76.93
.843
89.20
1.000
104.1
1.125
115.7
1111.75.375
45.55
.500
60.07
1212.75.156
21.07
.165
22.18
.180
24.17
.180
24.17
.250
33.38
.307
34.24
.365
40.48
.365
40.48
.500
54.74
.500
54.74
.593
64.33
.718
76.93
.843
89.20
1.000
104.1
1.125
115.7
1414.156
23.07
.188
27.73
.250
36.71
.312
45.38
.375
54.57
.375
54.57
.437
63.37
.593
84.91
.500
72.09
.750
106.1
.937
130.7
1.093
150.7
1.250
170.2
1.406
189.1
1616.165
27.90
.188
31.75
.250
42.05
.312
52.36
.375
62.58
.375
62.58
.500
82.77
.656
107.5
.500
82.77
.843
136.5
1.031
164.8
1.218
192.3
1.427
223.5
1.593
245.1
1818.165
31.43
.188
35.76
.250
47.39
.312
59.03
.437
82.06
.375
70.59
.562
104.2
.750
138.2
.500
93.45
.937
170.8
1.156
208.0
1.375
244.1
1.562
274.2
1.781
308.5
2020.188
39.78
.218
46.05
.250
52.73
.375
78.6
.500
104.1
.375
78.6
.593
122.9
.812
166.4
.500
104.1
1.031
208.9
1.280
256.1
1.500
296.4
1.750
341.1
1.968
379.0
2222.188
43.8
.218
50.71
.250
58.07
.375
86.61
.500
114.81
.375
86.61
.875
197.41
.500
114.81
1.125
250.81
1.375
302.88
1.625
353.61
1.875
403.0
2.125
451.06
2424.218
55.37
.250
63.41
.250
63.41
.375
94.62
.562
140.8
.375
94.62
.687
171.2
.968
238.1
.500
125.5
1.218
296.4
1.531
367.4
1.812
429.4
2.062
483.1
2.344
542.13
2626.312
85.60
.500
136.17
.375
102.63
.500
136.17
2828.312
92.26
.500
146.85
.625
182.73
.375
110.64
3030.250
79.43
.312
98.93
.312
98.93
.500
157.53
.625
196.08
.375
118.65
.500
157.53
3232.312
105.59
.500
168.21
.625
209.43
.375
126.66
.688
230.08
.500
168.21
3434.312
112.25
.500
178.89
.625
222.78
.375
134.667
.688
244.77
3636.312
118.92
.625
236.13
.375
142.68
.750
262.35
.500
189.57

ASME B36.19 PIPE SIZE CHART (SS/NICKEL ALLOY/NON-FERROUS PIPES)

ASME B36.19 WEIGHTS IN KG/METER

Dimensions and weights (in KG/meter) of stainless steel, nickel alloy and non-ferrous pipes

ASME B36.19 WEIGHTS IN LBS/FT.

NPSOD (mm)OD (inch)Sch 5SWeightSch 10SWeightSch 40SWeightSch 80SWeight
mminchmm (inch)lbs/ft.mm (inch)lbs/ft.mm (inch)lbs/ft.mm (inch)lbs/ft.
1/810.30.4051.25 (0.049)0.191.73 (0.068)0.252.42 (0.095)0.32
1/413.70.541.66 (0.065)0.332.24 (0.088)0.423.03 (0.119)0.54
3/817.20.6751.66 (0.065)0.422.32 (0.091)0.573.20 (0.126)0.74
1/221.30.841.65 (0.065)0.542.11 (0.083)0.672.77 (0.109)0.853.74 (0.147)1.09
3/426.71.051.65 (0.065)0.692.11 (0.083)0.862.87 (0.113)1.133.92 (0.154)1.48
133.41.3151.65 (0.065)0.872.77 (0.109)1.403.38 (0.133)1.684.55(0.179)2.18
1 1/442.21.661.65 (0.065)1.122.77 (0.109)1.813.56 (0.140)2.284.86 (0.191)3.00
1 1/248.31.91.65 (0.065)1.282.77 (0.109)2.093.69 (0.145)2.735.08 (0.200)3.64
260.32.3751.65 (0.065)1.612.77 (0.109)2.643.92 (0.154)3.665.54 (0.218)5.03
2 1/2732.8752.11 (0.083)2.483.05 (0.120)3.535.16 (0.203)5.817.01 (0.276)7.66
388.93.52.11 (0.083)3.043.05 (0.120)4.345.49 (0.216)7.597.62 (0.300)10.28
3 1/2101.642.11 (0.083)3.483.05 (0.120)4.985.74 (0.226)9.148.08 (0.318)12.50
4114.34.52.11 (0.083)3.923.05 (0.120)5.626.02 (0.237)10.828.56 (0.337)14.98
5141.35.5632.77 (0.109)6.363.41 (0.134)7.796.56 (0.258)14.659.53 (0.375)20.83
6168.36.6252.77 (0.109)7.593.41 (0.134)9.347.12 (0.280)19.0210.9 (0.432)28.63
8219.18.6252.77 (0.109)9.953.76 (0.148)13.448.18 (0.322)28.5612.7 (0.500)43.41
10273.110.753.41 (0.134)15.254.20 (0.165)18.689.28 (0.365)40.5912.7 (0.500)54.77
12323.912.753.97 (0.156)21.034.58 (0.180)24.269.53 (0.375)49.6612.7 (0.500)65.45

STEEL PIPES TOLERANCES

PIPES DIAMETER TOLERANCE

PIPE NPS/ DN/ ODAllowed Outside Diameter Tolerance
OverUnder
inchesmminchesmm
NPS 1/8 to 1½
DN 6 to 40
OD 10.3 to 48.3, mm
1/640.41/640.4
Over 1½ to 4
DN 40 to 100
OD 48.3 to 114.3 mm
1/320.81/320.8
Over 4 to 8
DN 100 to 200
OD 114.3 to 219.1 mm
1/161.61/320.8
Over 8 to 18
DN 200 to 450
OD 219.1 to 457 mm
3/322.41/320.8
Over 18 to 26
DN 450 to 650
OD 457 to 660 mm
1/83.21/320.8

PIPES THICKNESS TOLERANCE

PIPE NPS/ DN/ ODTolerance, % from Nominal
OverUnder
NPS 1/8 to 2½, all t/D ratios
DN 6 to 65
OD 10.3 to 73.0, mm
20.012.5
NPS 3 to 18, t/D up to 5%
DN 80 to 450
OD 88.9 to 457 mm
22.512.5
NPS 3 to 18, t/D > 5%
DN 80 to 450
OD 88.9 to 457 mm
15.012.5
NPS 20 and larger, welded, all t/D ratios
DN 500
OD 508 mm
17.512.5
NPS 20 and larger, seamless, t/D up to 5%
DN 500
OD 508 mm
22.512.5
NPS 20 and larger, seamless, t/D > 5%
DN 500
OD 508 mm
15.012.

PIPES WEIGHT TOLERANCE

The pipes’ weight tolerance depends on the nominal pipe size, as listed below:

  • Pipe of NPS 4 (DN100, 114.3mm) and smaller may be weighed in convenient lots; pipe in sizes larger than NPS 4 shall be weighed separately
  • Pipes NPS 12 (DN300, 323.8mm) and under, weight tolerance is: -3.5% / +10%
  • Pipes over NPS 12 (DN300, 323.8mm),weight tolerance is: -5% / +10%

PIPES QUANTITY TOLERANCE

Should be within -10% to +10% tolerance, as a rule of thumb (-3/+3% should be acceptable)

PIPES LENGTH TOLERANCE

  • Seamless and Welded (no filler metal added): if cut lengths are ordered, no length of pipe shall be under the length specified and not more than 1/4 in. (6.35 mm) over that specified.
  • Forged and Bored, Cast, and Cast Cold-Wrought: if definite cut lengths are ordered, no length of pipe shall be under the length specified and not more than 1/8 in. (3.2 mm) over that specified.
  • For pipe ordered to random lengths, the lengths and variations shall be agreed upon between the manufacturer and the buyer

NPS TO DN CONVERSION

The table shows the conversion between NPS and the pipe outside diameter in inches, mm and DN (nominal diameter):

PIPE NPSPipe outside diameter
in inches
PIpe outside diameter
in mm
NPS to DN
conversion
1/80.40410.266
1/40.5413.728
3/80.67517.1510
1/20.8421.3415
¾1.0526.6720
11.31533.4025
1 ¼1.6642.1632
1 ½1.948.2640
22.37560.3350
2 ½2.87573.0365
33.588.9080
3 ½4101.6090
44.5114.30100
4 ½5127.00115
55.563141.30125
66.625168.28150
77.625193.68
88.625219.08200
1010.75273.05250
1212.75323.85300
1414355.60350
1616406.40400
1818457.20450
2020508.00500
2222558.80550
2424609.60600
2626660.40650
2828711.20700
3030762.00750
3232812.80800
3434863.60850
3636914.40900
3838965.20950
40401016.001000
42421066.801050
44441117.601100
46461168.401150
48481219.20120

Sources:

We recommend purchasing the ASME pipe size specifications from the ASME website or from the IHS store to have a complete a proper understanding of the pipe dimensions topic.

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