Class 600 Steel Pipe Flanges

PipeSizeOCXAYYYTB1BB2rD
Outside
Diameter
of
Flange
Thickness
of Flange,
Minimum
Diameter
of Hub
Diameter
of
Weldneck
Threaded
Slip-On
Lap-JointWeld NeckThread
Length
Threaded
Flange,
Minimum
Slip-On,
Minimum
Lap-Joint,
Minimum
Weld neck
/
Socket
weld
Lap-Joint
Flange
Radius
Depth
of
Socket
1/23.750.561.500.840.880.882.060.620.880.90.5460.120.93
3/44.620.621.881.051.001.002.250.621.091.11.7420.121.14
14.880.692.121.321.061.062.440.691.361.38.9570.121.41
1 1/45.250.812.501.661.121.122.620.811.701.721.280.191.75
1 1/26.120.882.751.901.251.252.750.881.951.971.500.251.99
26.501.003.312.381.441.442.881.122.442.461.940.312.50
2 1/27.501.123.942.881.621.623.121.252.942.972.320.313.00
38.251.254.623.501.811.813.251.383.573.602.900.383.63
3 1/29.001.385.254.001.941.943.381.564.074.103.360.384.13
410.751.506.004.502.122.124.001.624.574.603.830.444.63
513.001.757.445.562.382.384.501.885.665.694.810.445.69
614.001.888.756.632.622.624.622.006.726.755.760.506.75
816.502.1910.758.633.003.005.252.258.728.757.630.508.75
1020.002.5013.5010.753.384.386.002.5610.8810.929.750.5010.88
1222.002.6215.7512.753.624.626.122.7512.8812.9211.750.5012.94
1423.752.7517.0014.003.695.006.502.8814.1414.1813.000.5014.19
1627.003.0019.5016.004.195.507.003.0616.1616.1915.000.5016.19
1829.253.2521.5018.004.626.007.253.1218.1818.2017.000.5018.19
2032.003.5024.0020.005.006.507.503.2520.2020.2519.000.5020.19
2437.004.0028.2524.005.507.258.003.6224.2524.2523.000.5024.19


Pipe SizeBOLTING PATTERN AND BOLT LENGTHS
Diameter of Bolt CircleDiameter of Bolt HolesNumber of BoltsDiameter of Bolts Stud Bolts
0.25 in
Raised Face
1/22.620.6240.503.25
3/43.250.7540.623.50
13.500.7540.623.75
1 1/43.880.7540.624.00
1 1/24.500.8840.754.25
25.000.7580.624.25
2 1/25.880.8880.754.75
36.620.8880.755.00
3 1/27.251.0080.885.50
48.501.0080.885.75
510.501.1281.006.50
611.501.12121.006.75
813.751.25121.127.75
1017.001.38161.258.50
1219.251.38201.258.75
1420.751.50201.389.25
1623.751.62201.5010.00
1825.751.75201.6210.75
2028.501.75241.6211.50
2433.002.00241.8813.00
3040.252.12282.00
3647.002.62282.50
4250.502.62282.50
4857.502.88322.75
  
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