asme-b-16-5-class-150

Bolt & Stud Bolt Diameter and Length for ASME B16.5 Class 150 Flanges

Nominal Pipe Size, NPSDiameter of Bolts, in.Length of Bolts, L
Stud BoltsMachine Bolts
2mm Raised FaceRing Joint2mm Raised Face
1/21/25550
3/41/26550
11/2657555
1 1/41/2708555
1 1/21/2708565
25/8859570
2 1/25/89010075
35/89010075
3 1/25/89010075
45/89010075
53/49511085
63/410011585
83/411012090
107/8115125100
127/8120135100
141135145115
161135145115
181 1/8145160125
201 1/8160170140
241 1/4170185150

Notes:

  • Dimension of Table 7 are in Millimeters, except for diameters of bolts and bolts holes, which are in inch units.
  • Length of stud bolts does not include the height of the points.
  • Bolt lengths not shown in table may be determined in accordance with Annex D.

The Information contained in this data sheet is for reference purpose only and actual data may vary from product to product. Complete rely on these values for product design is not recommended. User will be solely responsible for any failure in intended construction.