ASME B16.5 Class 300 Flange Bolt-Up Chart

Series 300 Flange (Estimating Information Only)
Pipe Size	Wrench Size	Flange Bolts		Raised Face	Ring Joint
Pipe Size	Wrench Size	Qty.	Dia.	Stud Length	Stud Length
1/2	7/8	4	1/2	2 ^1/2	3
3/4	1 ^1/16	4	5/8	3	3^1/2
1	1 ^1/16	4	5/8	3	3 ^1/2
1 ^1/4	1 ^1/16	4	5/8	3 ^1/4	3 ^3/4
1 ^1/2	1 ^1/4	4	3/4	3 ^1/2	4
2	1 ^1/4	8	5/8	3 ^1/2	4
2 ^1/2	1 ^1/4	8	3/4	4	4^1/2
3	1 ^1/4	8	3/4	4 ^1/4	4 ^3/4
3 ^1/2	1 ^1/4	8	3/4	4 ^1/4	5
4	1 ^1/4	8	3/4	4 ^1/2	5
5	1 ^1/4	8	3/4	4 ^3/4	5 ^1/4
6	1 ^1/4	12	3/4	4 ^3/4	5 ^1/2
8	1 ^7/16	12	7/8	5 ^1/2	6
10	1 ^5/8	16	1	6 ^1/4	6 ^3/4
12	1 ^13/16	16	1 ^1/8	6 ^3/4	7 ^1/4
14	1 ^13/16	20	1 ^1/8	7	7 ^1/2
16	2	20	1 ^1/4	7 ^1/2	8
18	2	24	1 ^1/4	7 ^3/4	8 ^1/4
20	2	24	1 ^1/4	8	8 ^3/4
24	2 ^3/8	24	1 ^1/2	9	10