| WALL THICKNESS |
| The wall thickness shall not at any point be less tahn 87.1/2% of nominal thickness |
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| OUTSIDE DIAMETER |
| The outside diameter to beginning of chamfer shall not vary from nominal more than : |
| For Sizes up to and incl. 22" ..................... + 1.16:-1/32" |
| For Sizes 3" thru 4" ..................................... + 1/16"-1/16" |
| For Sizes 5" thru 8" ..................................... + 3/32" - 1/16" |
| For Sizes 10" thru ...................................... + 5/32 - 1/8" |
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| INSIDE DIAMETER |
| The inside dimeter at welding ends shall not vary from nominal more than : |
| For sizes up to and including 22" ............................. ± 1/32" |
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| WELDING BEVEL |
| The welding bevel dimensuons shall not vary from nominal more than : |
| Bevel angles, 3720 and 200.......................... ± 22% |
| 100.......................................................... ± 10 |
| 1/16" land on end ...................... ± 1/32" |
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| CENTER - TO - END OF 900 ELBOWS, 450 ELBOWS, TEES. |
| The center to - end dimension shall not vary from nominal more than : |
| For sizes up to and including 8" ........................... ± 1/16" |
| For sizes 10" thru 24" ................................... ± 3/32" |
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| CENTER - TO - CENTER OF 1800 RETURNS |
| The center - to- center dimension shall not vary from nominal more than : |
| Sizes up to and including 8" .................................. ± 1/4" |
| Sizes 10" and large* ................................................. ± 3/8" |
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| BACK - TO - FACE OF 180 RETURNS |
| The back -to - face dimension shall not vary from nominal more than : |
| All sizes* ................................ ± 1.4" |
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| BEVEL DETAILS |
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