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ANSI: American standard system
B36.10: seamless steel pipe and welded steel pipe
ANSI B36.10 Wall thickness levels are:
Sch10, Sch20, Sch30, Sch40, Sch60, Sch80, Sch100, Sch120, Sch140, Sch160 ten levels.
B36.19: stainless steel tube
ANSI B36.19 Wall thickness grade: Sch5s, Sch10s, Sch40s, Sch80s four grades.
ASME / ANSI B36.10 seamless steel pipe and welded steel pipe and ASME / ANSI B36.19 stainless steel pipe: steel pipe size, diameter, wall thickness, pressure, and other work.
ASME / ANSI B36.10 / 19 outer diameter and wall thickness table:
| Norminal Pipe Size | Outside Diameter | Norminal Wall Thickness | |||||||||||||||||
| NPS | BN | D | SCH5s | SCH10s | SCH10 | SCH20 | SHC30 | SCH40s | STD | SCH40 | SCH60 | SCH80s | XS | SCH80 | SCH100 | SCH120 | SCH104 | 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 | 17.1 | — | 1.65 | — | — | — | 2.31 | 2.31 | 2.31 | — | 3.20 | 3.20 | 3.20 | — | — | — | — | — |
| 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 | 9.70 |
| 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 | 73.0 | 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 | 3.40 | — | — | — | 6.55 | 6.55 | 6.55 | — | 9.53 | 9.53 | 9.53 | — | 12.7 | — | 15.88 | 19.05 |
| 6 | 150 | 168.3 | 2.77 | 3.40 | — | — | — | 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 | 12.70 | 12.70 | 12.70 | 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 | 12.70 | 12.70 | 12.70 | 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 | 12.70 | 12.70 | 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 | — | 12.70 | 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 | — | 12.70 | 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 | — | 12.70 | 23.83 | 29.36 | 34.96 | 39.67 | 45.24 | — |
| 20 | 500 | 508.0 | 4.78 | 5.54 | 6.35 | 9.53 | 12.7 | — | 9.53 | 15.09 | 20.62 | — | 12.70 | 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 | — | 12.70 | 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 | — | 12.70 | 30.96 | 38.89 | 46.02 | 52.37 | 59.54 | — |
| 26 | 650 | 660.4 | — | — | 7.92 | 12.7 | — | — | 9.53 | — | — | — | 12.70 | — | — | — | — | — | — |
| 28 | 700 | 711.2 | — | — | 7.92 | 12.7 | 15.88 | — | 9.53 | — | — | — | 12.70 | — | — | — | — | — | — |
| 30 | 750 | 762.0 | 6.35 | 7.92 | 7.92 | 12.7 | 15.88 | — | 9.53 | — | — | — | 12.70 | — | — | — | — | — | — |
| 32 | 800 | 812.8 | — | — | 7.92 | 12.7 | 15.88 | — | 9.53 | 17.48 | — | — | 12.70 | — | — | — | — | — | — |
| 34 | 850 | 863.6 | — | — | 7.92 | 12.7 | 15.88 | — | 9.53 | 17.48 | — | — | 12.70 | — | — | — | — | — | — |
| 36 | 900 | 914.4 | — | — | 7.92 | 12.7 | 15.88 | — | 9.53 | 17.48 | — | — | 12.70 | — | — | — | — | — | — |
| 38 | 950 | 965.2 | — | — | — | — | — | — | 9.53 | — | — | — | 12.70 | — | — | — | — | — | — |
| 40 | 1000 | 1016.0 | — | — | — | — | — | — | 9.53 | — | — | — | 12.70 | — | — | — | — | — | — |
| 42 | 1050 | 1066.8 | — | — | — | — | — | — | 9.53 | — | — | — | 12.70 | — | — | — | — | — | — |
| 44 | 1100 | 1117.6 | — | — | — | — | — | — | 9.53 | — | — | — | 12.70 | — | — | — | — | — | — |
| 46 | 1150 | 1168.4 | — | — | — | — | — | — | 9.53 | — | — | — | 12.70 | — | — | — | — | — | — |
| 48 | 1200 | 1219.2 | — | — | — | — | — | — | 9.53 | — | — | — | 12.70 | — | — | — | — | — | — |
| 52 | 1300 | 1321 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 56 | 1400 | 1422 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 60 | 1500 | 1524 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 64 | 1600 | 1626 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 68 | 1700 | 1727 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 72 | 1800 | 1829 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 76 | 1900 | 1930 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 80 | 2000 | 2032 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |||
| Note:SCH5s、10s、40s、80s applies for stainless steel. | |||||||||||||||||||
