asme-b-16-5-class-400

Bolt and Stud Bolt Dimensions for ASME B16.5 Class 1500 Flanges

Nominal Pipe Size, NPSDiameter of Bolts, in.Length of Bolts, L
Raised Face 0.25 in.Male and Female/ Tongue and GrooveRing Joint
1/23/44.254.004.25
3/43/44.504.254.50
17/85.004.755.00
1 1/47/85.004.755.00
1 1/215.505.255.50
27/85.755.505.75
2 1/216.256.006.25
31 1/87.006.757.00
41 1/47.757.507.75
51 1/29.759.509.75
61 3/810.2510.0010.50
81 5/811.5011.2512.75
101 7/813.2513.0013.50
12214.7514.5015.25
142 1/416.0015.7516.75
162 1/217.5017.2518.50
182 3/419.5019.2520.75
20321.2521.0022.25
243 1/224.2524.0025.50

Notes:

  • Dimension are in inches.
  • 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.