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DIMENSIONS OF WELDED & SEAMLESS PIPES (ANSI B36.10 & B36.19)

Size
NB
OUTSIDE PIPE DIAM.

CARBON & ALLOY STEELS

STAINLESS STEELS Size
NB
STD Extra Heavy
(EH)
Double
Extra Heavy
(DEH)

SCHEDULES AS A B 36.10

SCHEDULES B 36.19
10 20 30 40 60 80 100 120 140 160 5 S 10 S 40 S 80 S
 ½ 21.34 15.8 13.9 6.4       15.8   13.9       11.8 16.0 17.1 15.8 13.9  ½
 ¾ 26.67 20.9 18.9 11.0       20.9   18.9       15.6 23.3 22.5 20.9 18.9  ¾
 1 33.40 26.6 24.3 15.2       26.6   24.3       20.7 30.1 27.9 26.6 24.3  1
  42.16 35.0 32.5 22.7       35.0   32.5       29.5 38.8 36.6 35.0 32.5  
  48.26 40.9 38.1 27.8       40.9   38.1       34.0 44.9 42.7 40.9 38.1  
 2 60.32 52.5 49.2 38.1       52.5   49.2       42.9 57.0 54.8 52.5 49.2  2
  73.02 62.7 59.0 45.0       62.7   59.0       54.0 68.8 66.9 52.7 59.0  
 3 8.90 77.9 73.7 58.5       77.9   73.7       66.7 84.7 82.8 77.9 73.7  3
  101.60 90.1 85.4         90.1   85.4         97.4 95.5 90.1 85.4  
 4 114.30 102.3 97.2 80.1       102.3   97.2   92.1   87.3 110.1 108.2 102.3 97.2  4
 5 141.30 128.2 122.2 103.3       128.2   122.2   115.9   109.5 135.8 134.5 128.2 122.2  5
 6 168.3 154.1 146.3 124.5       154.1   146.3   139.7   131.9 162.7 161.5 154.1 146.3  6
 7 219.1 202.7 193.7 174.7   206.4 205.0 202.7 198.5 193.7 188.9 182.7 177.9 173.1 213.5 211.5 202.7 193.7  7
 10 273.0 254.5 247.6     260.3 257.4 254.5 247.6 242.8 236.6 230.2 222.2 215.8 266.2 264.7 254.5 247.6  10
 12 323.8 304.8 298.4     311.1 307.0 303.2 295.2 289.0 281.0 273.0 266.6 257.2 315.9 314.7 304.8 298.4  12

 14

355.6 336.5 330.2   342.9 339.7 336.5 333.4 325.4 317.6 308.0 300.0 292.0 284.2 347.7 346.0    

 14

 16 406.4 387.3 381.0   393.7 390.5 387.4 381.0 373.0 363.6 354.0 344.6 333.4 325.4 398.0 396.8      16
 18 457.2 438.1 431.8   444.5 441.3 435.0 428.6 419.2 409.6 398.4 387.4 377.8 366.8 448.8 477.6      18
 20 508.0 483.9 482.6   495.3 488.9 482.6 477.8 466.8 455.6 443.0 431.8 419.2 408.0 498.5 496.9      20
 24 6096.6 590.5 584.2   596.9 590.5 581.0 574.8 560.4 547.8 531.8 517.6 504.8 490.6 598.5 596.9      24
 30 762.0       746.15 736.6 730.2                        30