What is ANSI dimensioning standard?

ANSI B36.19 is for seamless pipe and welded pipe sizes.

Stainless ANSI dimensioning standard is ANSI DIMENSION B36.19.

ANSI B36.19 dimensions are read horizontally. ISO dimensions are parallel to the dimension line. ANSI B36.19 dimensions are centered on the dimension line. ISO dimension B36.19 are placed above the dimension line. ANSI tends to use abbreviations.

ASME SA312 TP317L Seamless tubes exporter
ASME SA312 TP317L Seamless tubes exporter
ASME SA312 TP347H Seamless tubes exporter
ASME SA312 TP347H Seamless tubes exporter
Stainless PIPE ANSI DIMENSION B36.19
Nominal Size
OD

Wall Thickness
NPS DN mm SCH5S SCH10S SCH10 SCH20 SCH30 SCH40S STD SCH40 SCH60 SCH80S XS SCH80 SCH100 SCH120 SCH140 SCH160 XXS
1∕8 6 10.3 1.24 1.73 1.73 1.73 2.41 2.41 2.41
1∕4 8 13.7 1.65 2.24 2.24 2.24 3.02 3.02 3.02
3∕8 10 17.2 1.65 2.31 2.31 2.31 3.2 3.2 3.2
1∕2 15 21.3 1.65 2.11 2.77 2.77 2.77 3.73 3.73 3.73 4.78 7.47
3∕4 20 26.7 1.65 2.11 2.87 2.87 2.87 3.91 3.91 3.91 5.56 7.82
1 25 33.4 1.65 2.77 3.38 3.38 3.38 4.55 4.55 4.55 6.35 9.09
1 1∕4 32 42.2 1.65 2.77 3.56 3.56 3.56 4.85 4.85 4.85 6.35 9.7
1 1∕2 40 48.3 1.65 2.77 3.68 3.68 3.68 5.08 5.08 5.08 7.14 10.15
2 50 60.3 1.65 2.77 3.91 3.91 3.91 5.54 5.54 5.54 8.74 11.07
2 1∕2 65 73 2.11 3.05 5.16 5.16 5.16 7.01 7.01 7.01 9.53 14.02
3 80 88.9 2.11 3.05 5.49 5.49 5.49 7.62 7.62 7.62 11.13 15.24
3 1∕2 90 101.6 2.11 3.05 5.74 5.74 5.74 8.08 8.08 8.08
4 100 114.3 2.11 3.05 6.02 6.02 6.02 8.56 8.56 8.56 11.13 13.49 17.12
5 125 141.3 2.77 3.4 6.55 6.55 6.55 9.53 9.53 9.53 12.7 15.88 19.05
6 150 168.3 2.77 3.4 7.11 7.11 7.11 10.97 10.97 10.97 14.27 18.26 21.95
8 200 219.1 2.77 3.76 6.35 7.04 8.18 8.18 8.18 10.31 12.7 12.7 12.7 15.09 18.26 20.62 23.01 22.23
10 250 273.1 3.4 4.19 6.35 7.8 9.27 9.27 9.27 12.7 12.7 12.7 15.09 18.26 21.44 25.4 28.58 25.4
12 300 323.9 3.96 4.57 6.35 8.38 9.53 9.53 10.31 14.27 12.7 12.7 17.48 21.44 25.4 28.58 33.32 25.4
14 350 355.6 3.96 4.78 6.35 7.92 9.53 9.53 11.13 15.09 12.7 19.05 23.83 27.79 31.75 35.71
16 400 406.4 4.19 4.78 6.35 7.92 9.53 9.53 12.7 16.66 12.7 21.44 26.19 30.96 36.53 40.49
18 450 457.2 4.19 4.78 6.35 7.92 11.13 9.53 14.27 19.05 12.7 23.83 29.36 34.93 39.67 45.24
20 500 508 4.78 5.54 6.35 9.53 12.7 9.53 15.09 20.62 12.7 26.19 32.54 38.1 44.45 50.01
22 550 558.8 4.78 5.54 6.35 9.53 12.7 9.53 22.23 12.7 28.58 34.93 41.28 47.63 53.98
24 600 609.6 5.54 6.35 6.35 9.53 14.27 9.53 17.48 24.61 12.7 30.96 38.89 46.02 52.37 59.54
26 650 660.4 7.92 12.7 9.53 12.7
28 700 711.2 7.92 12.7 15.88 9.53 12.7
30 750 762 6.35 7.92 7.92 12.7 15.88 9.53 12.7
32 800 812.8 7.92 12.7 15.88 17.48 9.53 17.48 12.7
34 850 863.6 7.92 12.7 15.88 17.48 9.53 17.48 12.7
36 900 914.4 7.92 12.7 15.88 19.05 9.53 19.05 12.7
38 950 965.2 9.53 12.7
40 1000 1016 9.53

 

 

Stainless PIPE ANSI DIMENSION Standard B36.19

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