STAINLESS STEEL BUTTWELD STUB ENDS
TYPE “A” ![]() | Length | Schedule1 | Lap Face | Fillet Radius in Accordance With | Marked in Accordance With M.S.S. SP-25 | Commonly Available in These Sizes Inches |
SHORT made in accordance with M.S.S. SP.-43 | 5S3 | Machined with phonographic serrations in accordance with M.S.S. SP.-62 | M.S.S. | X | 1/2-24 | |
10S>3 | M.S.S | X | 1/2-24 | |||
40S | A.SA. & M.S.S | X | 1/2-24 | |||
LONG made in accordance with A.S.A B16.9 | 40S | Machined with phonographic serrations in accordance with M.S.S. SP.-62 | A.SA. & M.S.S | X | 1/2-24 | |
80S | A.S.A. | X | 1/2-24 | |||
160 | A.SA. | X | 1/2-12 | |||
XX S. | A.SA. | X | 1/2-8 |
TYPE “B” ![]() | Length | Schedule1 | Lap Face | Fillet Radius in Accordance With | Marked in Accordance With M.S.S. SP-25 | Commonly Available in These Sizes Inches |
SHORT made in accordance with M.S.S. SP.-43 | 5S3 | Machined with phonographic serrations in accordance with M.S.S. SP.-62 | M.S.S. | X | 1/2-24 | |
10S3 | M.S.S. | X | 1/2-24 | |||
40S | A.S.A. & M.S.S | X | 1/2-24 | |||
LONG made in accordance with A.S.A B16.9 | 40S | Machined with phonographic serrations in accordance with M.S.S. SP.-62 | M.S.S. | X | 1/2-24 | |
TYPE “C” ![]() | Length | Schedule1 | Lap Face | Fillet Radius in Accordance With | Marked in Accordance With M.S.S. SP-25 | Commonly Available in These Sizes Inches |
SHORT | 5S | Formed to plane surface | Note covered by any standard | X | 1/2-24 | |
10S3 | Note covered by any standard | X | 1/2-24 |
1 Certain other wall thicknesses and materials available on special order.
2 Concentric serrations can also be provided. Phonographic or concentric serrated stub end lap faces are equally acceptable for providing flanged connections which meet piping industry pressure rating requirements. Other special facings can be provided.
3 Also availabe in long lengths.


