Dimensional tolerances of pipes, according to international standards.
We can also manufacture pipes according to customer specifications.
ASTM/ASME - Standard tollerances
| ASTM/ASME | Wall Thickness | |||||
|---|---|---|---|---|---|---|
| Ø NPS(mm) | Ø mm | |||||
| A/SA 312 | 1⁄8 <= 1 1⁄2 | + 0,40 / - 0,80 | nota (a) | 1⁄8 <= 2 1⁄2, all t/D ratios: + 20,0 / - 12,5 % | + 6 / - 0 (p) | < 3,2 mm/3m |
| A/SA 312 | 1 1⁄2 <= 4 | + 0,80 / - 0,80 | nota (a) | 1⁄8 <= 2 1⁄2, all t/D ratios: + 20,0 / - 12,5 % 3 <= 18, t/D <= 5 % incl.: + 22,5 / - 12,5 % 3 <= 18, t/D > 5%: + 15,0 / - 12,5 % | + 6 / - 0 (p) | < 3,2 mm/3m |
| A/SA 312 | 4 <= 8 | + 1,60 / - 0,80 | nota (a) | 3 <= 18, t/D <= 5 % incl.: + 22,5 / - 12,5 % 3 <= 18, t/D > 5%: + 15,0 / - 12,5 % | + 6 / - 0 (p) | < 3,2 mm/3m |
| A/SA 312 | 8 <= 18 | + 2,40 / - 0,80 | nota (a) | 3 <= 18, t/D <= 5 % incl.: + 22,5 / - 12,5 % 3 <= 18, t/D > 5%: + 15,0 / - 12,5 % | + 6 / - 0 (p) | < 3,2 mm/3m |
| A/SA 312 | 18 <= 26 | + 3,20 / - 0,80 | nota (a) | 3 <= 18, t/D <= 5 % incl.: + 22,5 / - 12,5 % 3 <= 18, t/D > 5%: + 15,0 / - 12,5 % >= 20, welded, all t/D ratios: + 17,0 / - 12,5 % >= 20, seamless, t/D <= 5 %: + 22,5 / - 12,5 % >= 20, seamless, t/D > 5%: + 15,0 / - 12,5 % | + 6 / - 0 (p) | < 3,2 mm/3m |
| A/SA 312 | 26 <= 34 | + 4,00 / - 0,80 | nota (a) | >= 20, welded, all t/D ratios: + 17,0 / - 12,5 % >= 20, seamless, t/D <= 5 %: + 22,5 / - 12,5 % >= 20, seamless, t/D > 5%: + 15,0 / - 12,5 % | + 6 / - 0 (p) | < 3,2 mm/3m |
| A/SA 312 | 34 <= 48 | + 4,80 / - 0,80 | nota (a) | >= 20, welded, all t/D ratios: + 17,0 / - 12,5 % >= 20, seamless, t/D <= 5 %: + 22,5 / - 12,5 % >= 20, seamless, t/D > 5%: + 15,0 / - 12,5 % | + 6 / - 0 | < 3,2 mm/3m |
| A/SA 358 | all | + 0,50 % / - 0,50 % | 1% | - 0,3 mm | + 6 / - 0 (n) | < 3 mm/3m |
| A/SA 790 | 1⁄8 <= 1 1⁄2 | + 0,40 / - 0,80 | nota (a) | - 12,5 | + 6 / - 0 (p) | < 3,2 mm/3m |
| A/SA 790 | 1 1⁄2 <= 4 | + 0,80 / - 0,80 | nota (a) | - 12,5 | + 6 / - 0 (p) | < 3,2 mm/3m |
| A/SA 790 | 4 <= 8 | + 1,60 / - 0,80 | nota (a) | - 12,5 | + 6 / - 0 (p) | < 3,2 mm/3m |
| A/SA 790 | 8 <= 18 | + 2,40 / - 0,80 | nota (a) | - 12,5 | + 6 / - 0 (p) | < 3,2 mm/3m |
| A/SA 790 | 18 <= 26 | + 3,20 / - 0,80 | nota (a) | - 12,5 | + 6 / - 0 (p) | < 3,2 mm/3m |
| A/SA 790 | 26 <= 34 | + 4,00 / - 0,80 | nota (a) | - 12,5 | + 6 / - 0 (p) | < 3,2 mm/3m |
| A/SA 790 | 34 <= 48 | + 4,80 / - 0,80 | nota (a) | - 12,5 | + 6 / - 0 (p) | < 3,2 mm/3m |
| A/SA 928 | 1⁄8 <= 1 1⁄2 | + 0,40 / - 0,80 | nota (c) | - 12,5 | + 6 / - 0 (n) | < 3,2 mm/3m |
| A/SA 928 | 1 1⁄2 <= 4 | + 0,80 / - 0,80 | nota (c) | - 12,5 | + 6 / - 0 (n) | < 3,2 mm/3m |
| A/SA 928 | 4 <= 8 | + 1,60 / - 0,80 | nota (c) | - 12,5 | + 6 / - 0 (n) | < 3,2 mm/3m |
| A/SA 928 | 8 <= 18 | + 2,40 / - 0,80 | nota (c) | - 12,5 | + 6 / - 0 (n) | < 3,2 mm/3m |
| A/SA 928 | 18 <= 26 | + 3,20 / - 0,80 | nota (c) | - 12,5 | + 6 / - 0 (n) | < 3,2 mm/3m |
| A/SA 928 | 26 <= 34 | + 4,00 / - 0,80 | nota (c) | - 12,5 | + 6 / - 0 (n) | < 3,2 mm/3m |
| A/SA 928 | 34 <= 48 | + 4,80 / - 0,80 | nota (c) | - 12,5 | + 6 / - 0 (n) | < 3,2 mm/3m |
| A949 | 1⁄8 <= 1 1⁄2 | + 0,40 / - 0,80 | nota (a) | - 12,5 | + 6 / - 0 (p) | < 3,2 mm/3m |
| A949 | 1 1⁄2 <= 4 | + 0,80 / - 0,80 | nota (a) | - 12,5 | + 6 / - 0 (p) | < 3,2 mm/3m |
| A949 | 4 <= 8 | + 1,60 / - 0,80 | nota (a) | - 12,5 | + 6 / - 0 (p) | < 3,2 mm/3m |
| A949 | 8 <= 18 | + 2,40 / - 0,80 | nota (a) | - 12,5 | + 6 / - 0 (p) | < 3,2 mm/3m |
| A949 | 18 <= 26 | + 3,20 / - 0,80 | nota (a) | - 12,5 | + 6 / - 0 (p) | < 3,2 mm/3m |
| A949 | 26 <= 34 | + 4,00 / - 0,80 | nota (a) | - 12,5 | + 6 / - 0 (p) | < 3,2 mm/3m |
| A949 | 34 <= 48 | + 4,80 / - 0,80 | nota (a) | - 12,5 | + 6 / - 0 (p) | < 3,2 mm/3m |
| B/SB 161 | < 3/32 | + 0,05 / - 0,00 | nota (d) | + 10,0 / - 10,0 (h) | (q) | (t) |
| B/SB 161 | 3/32 < 3/16 | + 0,08 / - 0,00 | nota (d) | + 10,0 / - 10,0 (h) | (q) | (t) |
| B/SB 161 | 3/16 < 1/2 | + 0,10 / - 0,00 | nota (d) | + 10,0 / - 10,0 (h) | (q) | (t) |
| B/SB 161 | 1/2 <= 1 1/4 | + 0,13 / - 0,00 | nota (d) | + 10,0 / - 10,0 (h) | (q) | (t) |
| B/SB 165 | 0,4 (10) < 5/8 (16) | + 0,13 / - 0,13 | nota (e) | + 15,0 / - 15,0 | + 3,2 / - 0 (s) | - |
| B/SB 165 | 5/8 (16) <= 1 1/2 (38) | + 0,19 / - 0,19 | nota (e) | + 10,0 / - 10,0 | + 3,2 / - 0 (s) | - |
| B/SB 165 | 1 1/2 (38) <= 3 (76) | + 0,25 / - 0,25 | nota (e) | + 10,0 / - 10,0 | + 3,2 / - 0 (r) (s) | - |
| B/SB 165 | 3 (76) <= 4 1⁄2 (114) | + 0,38 / - 0,38 | nota (e) | + 10,0 / - 10,0 | + 4,8 / - 0 (s) | - |
| B/SB 165 | 4 1⁄2 (114) <= 6 (152) | + 0,51 / - 0,51 | nota (e) | + 12,5 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 165 | 6 (152) <= 6 5⁄8 (168) | + 0,64 / - 0,64 | nota (e) | + 12,5 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 165 | 6 5⁄8 (168) <= 8 5⁄8 (219) | + 0,79 / - 0,79 | nota (e) | + 12,5 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 167 Hot Worked | 1 (25) <= 1,900 (48) | + 0,40 / - 0,79 | nota (f) | + 16,0 / - 12,5 | + 3,2 / - 0 (s) | - |
| B/SB 167 Hot Worked | 1,900 (48) <= 4 1⁄2 (114) | + 0,79 / - 0,79 | nota (f) | + 16,0 / - 12,5 | + 3,2 / - 0 (r) (s) | - |
| B/SB 167 Hot Worked | 4 1⁄2 (114) <= 6 1⁄2 (165) | + 1,20 / - 1,20 | nota (f) | + 16,0 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 167 Hot Worked | 6 1⁄2 (165) <= 9 1⁄4 (235) | + 1,60 / - 1,60 | nota (f) | + 16,0 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 167 Cold Worked | 0,400 (10) < 5⁄8 (16) | + 0,13 / - 0,13 | nota (e) | + 15,0 / - 15,0 | + 3,2 / - 0 (s) | - |
| B/SB 167 Cold Worked | 5⁄8 (16) <= 1 1⁄2 (38) | + 0,19 / - 0,19 | nota (e) | + 10,0 / - 10,0 | + 3,2 / - 0 (s) | - |
| B/SB 167 Cold Worked | 1 1⁄2 (38) <= 3 (76) | + 0,25 / - 0,25 | nota (e) | + 10,0 / - 10,0 | + 3,2 / - 0 (r) (s) | - |
| B/SB 167 Cold Worked | 3 (76) <= 4 1⁄2 (114) | + 0,38 / - 0,38 | nota (e) | + 10,0 / - 10,0 | + 4,8 / - 0 (s) | - |
| B/SB 167 Cold Worked | 4 1⁄2 (114) <= 6 (152) | + 0,51 / - 0,51 | nota (e) | + 12,5 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 167 Cold Worked | 6 (152) <= 6 5⁄8 (168) | + 0,64 / - 0,64 | nota (e) | + 12,5 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 167 Cold Worked | 6 5⁄8 (168) <= 8 5⁄8 (219) | + 0,79 / - 0,79 | nota (e) | + 12,5 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 167 Cold Worked | 8,625 (219) <= 14 (356) | + 1,57 / - 0,79 | nota (e) | + 15,0 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 167 Cold Worked | 14 (356) <= 24 (610) | + 3,18 / - 0,79 | nota (e) | + 15,0 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 407 | 12,7 < 15,8 | + 0,127 / - 0,127 | nota (e) | + 15,0 / - 15,0 | + 3,2 / - 0 | - |
| B/SB 407 | 15,8 <= 38,1 | + 0,190 / - 0,190 | nota (e) | + 10,0 / - 10,0 | + 3,2 / - 0 | - |
| B/SB 407 | 38,1 <= 88,9 | + 0,254 / - 0,254 | nota (e) | + 10,0 / - 10,0 | + 3,2 / - 0 | - |
| B/SB 407 | 88,9 <= 114,3 | + 0,381 / - 0,381 | nota (e) | + 10,0 / - 10,0 | + 3,2 / - 0 | - |
| B/SB 407 | 114,3 <= 152,4 | + 0,508 / - 0,508 | nota (e) | + 12,5 / - 12,5 | + 3,2 / - 0 | - |
| B/SB 407 | 152,4 <= 168,3 | + 0,635 / - 0,635 | nota (e) | + 12,5 / - 12,5 | + 3,2 / - 0 | - |
| B/SB 423 Hot Worked | 1 (25) <= 1,900 (48) | + 0,40 / - 0,79 | nota (f) | + 16,0 / - 12,5 | + 3,2 / - 0 (s) | - |
| B/SB 423 Hot Worked | 1,900 (48) <= 4 1⁄2 (114) | + 0,79 / - 0,79 | nota (f) | + 16,0 / - 12,5 | + 3,2 / - 0 (r) (s) | - |
| B/SB 423 Hot Worked | 4 1⁄2 (114) <= 6 1⁄2 (165) | + 1,20 / - 1,20 | nota (f) | + 16,0 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 423 Hot Worked | 6 1⁄2 (165) <= 9 1⁄4 (235) | + 1,60 / - 1,60 | nota (f) | + 16,0 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 423 Cold Worked | 0,400 (10) < 5⁄8 (16) | + 0,13 / - 0,13 | nota (e) | + 15,0 / - 15,0 | + 3,2 / - 0 (s) | - |
| B/SB 423 Cold Worked | 5⁄8 (16) <= 1 1⁄2 (38) | + 0,19 / - 0,19 | nota (e) | + 10,0 / - 10,0 | + 3,2 / - 0 (s) | - |
| B/SB 423 Cold Worked | 1 1⁄2 (38) <= 3 (76) | + 0,25 / - 0,25 | nota (e) | + 10,0 / - 10,0 | + 3,2 / - 0 (r) (s) | - |
| B/SB 423 Cold Worked | 3 (76) <= 4 1⁄2 (114) | + 0,38 / - 0,38 | nota (e) | + 10,0 / - 10,0 | + 4,8 / - 0 (s) | - |
| B/SB 423 Cold Worked | 4 1⁄2 (114) <= 6 (152) | + 0,51 / - 0,51 | nota (e) | + 12,5 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 423 Cold Worked | 6 (152) <= 6 5⁄8 (168) | + 0,64 / - 0,64 | nota (e) | + 12,5 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 423 Cold Worked | 6 5⁄8 (168) <= 8 5⁄8 (219) | + 0,79 / - 0,79 | nota (e) | + 12,5 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 423 Cold Worked | 8,625 (219) <= 14 (356) | + 1,57 / - 0,79 | nota (e) | + 15,0 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 423 Cold Worked | 14 (356) <= 24 (610) | + 3,18 / - 0,79 | nota (e) | + 15,0 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 444 Hot Worked | 1 (25) <= 1,900 (48) | + 0,40 / - 0,79 | nota (f) | + 16,0 / - 12,5 | + 3,2 / - 0 (s) | - |
| B/SB 444 Hot Worked | 1,900 (48) <= 4 1⁄2 (114) | + 0,79 / - 0,79 | nota (f) | + 16,0 / - 12,5 | + 3,2 / - 0 (r) (s) | - |
| B/SB 444 Hot Worked | 4 1⁄2 (114) <= 6 1⁄2 (165) | + 1,20 / - 1,20 | nota (f) | + 16,0 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 444 Hot Worked | 6 1⁄2 (165) <= 9 1⁄4 (235) | + 1,60 / - 1,60 | nota (f) | + 16,0 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 444 Cold Worked | 0,400 (10) < 5⁄8 (16) | + 0,13 / - 0,13 | nota (e) | + 15,0 / - 15,0 | + 3,2 / - 0 (s) | - |
| B/SB 444 Cold Worked | 5⁄8 (16) <= 1 1⁄2 (38) | + 0,19 / - 0,19 | nota (e) | + 10,0 / - 10,0 | + 3,2 / - 0 (s) | - |
| B/SB 444 Cold Worked | 1 1⁄2 (38) <= 3 (76) | + 0,25 / - 0,25 | nota (e) | + 10,0 / - 10,0 | + 3,2 / - 0 (r) (s) | - |
| B/SB 444 Cold Worked | 3 (76) <= 41⁄2 (114) | + 0,38 / - 0,38 | nota (e) | + 10,0 / - 10,0 | + 4,8 / - 0 (s) | - |
| B/SB 444 Cold Worked | 4 1⁄2 (114) <= 6 (152) | + 0,51 / - 0,51 | nota (e) | + 12,5 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 444 Cold Worked | 6 (152) <= 6 5⁄8 (168) | + 0,64 / - 0,64 | nota (e) | + 12,5 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 444 Cold Worked | 6 5⁄8 (168) <= 8 5⁄8 (219) | + 0,79 / - 0,79 | nota (e) | + 12,5 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 444 Cold Worked | 8,625 (219) <= 14 (356) | + 1,57 / - 0,79 | nota (e) | + 15,0 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 444 Cold Worked | 14 (356) <= 24 (610) | + 3,18 / - 0,79 | nota (e) | + 15,0 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 464 | 1⁄8 <= 1 1⁄2 | + 0,40 / - 0,80 | nota (g) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | - |
| B/SB 464 | 1 1⁄2 <= 4 | + 0,80 / - 0,80 | nota (g) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | - |
| B/SB 464 | 4 <= 8 | + 1,60 / - 0,80 | nota (g) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | - |
| B/SB 464 | 8 <= 18 | + 2,40 / - 0,80 | nota (g) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | - |
| B/SB 464 | 18 <= 26 | + 3,20 / - 0,80 | nota (g) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | - |
| B/SB 464 | 26 <= 34 | + 4,00 / - 0,80 | nota (g) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | - |
| B/SB 464 | 34 <= 48 | + 4,80 / - 0,80 | nota (g) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | - |
| B/SB 467 | 2 (50,8) <= 3 (76,2) | + 0,13 / - 0,13 | 3% | (u) | (u) | - |
| B/SB 467 | 3 (76,2) <= 4 (102) | + 0,15 / - 0,15 | 3% | (u) | (u) | - |
| B/SB 467 | 4 (102) <= 5 (127) | + 0,20 / - 0,20 | 3% | (u) | (u) | - |
| B/SB 467 | 5 (127) <= 6 (152) | + 0,23 / - 0,23 | 3% | (u) | (u) | - |
| B/SB 467 | 6 (152) <= 8 (203) | + 0,25 / - 0,25 | 3% | (u) | (u) | - |
| B/SB 467 | 8 (203) <= 10 (254) | + 0,33 / - 0,33 | 3% | (u) | (u) | - |
| B/SB 467 | 10 (254) <= 12 (305) | + 0,38 / - 0,38 | 3% | (u) | (u) | - |
| B/SB 467 | > 12 (305) | + 0,50% / - 0,50% | 3% | (u) | (u) | - |
| B/SB 514 | 1⁄8 <= 1 1⁄2 | + 0,40 / - 0,80 | nota (g) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | - |
| B/SB 514 | 1 1⁄2 <= 4 | + 0,80 / - 0,80 | nota (g) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | - |
| B/SB 514 | 4 <= 8 | + 1,60 / - 0,80 | nota (g) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | - |
| B/SB 514 | 8 <= 18 | + 2,40 / - 0,80 | nota (g) | + 12,5 / - 12,5 | + 6,4 / - 0 (v) | - |
| B/SB 514 | 18 <= 26 | + 3,20 / - 0,80 | nota (g) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | - |
| B/SB 514 | 26 <= 34 | + 4,00 / - 0,80 | nota (g) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | - |
| B/SB 514 | 34 <= 48 | + 4,80 / - 0,80 | nota (g) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | - |
| B/SB 517 | 1⁄8 <= 1 1⁄2 | + 0,40 / - 0,80 | nota (g) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | - |
| B/SB 517 | 1 1⁄2 <= 4 | + 0,80 / - 0,80 | nota (g) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | - |
| B/SB 517 | 4 <= 8 | + 1,60 / - 0,80 | nota (g) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | - |
| B/SB 517 | 8 <= 18 | + 2,40 / - 0,80 | nota (g) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | - |
| B/SB 517 | 18 <= 26 | + 3,20 / - 0,80 | nota (g) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | - |
| B/SB 517 | 26 <= 34 | + 4,00 / - 0,80 | nota (g) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | - |
| B/SB 517 | 34 <= 48 | + 4,80 / - 0,80 | nota (g) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | - |
| B/SB 535 Hot Worked | 1⁄8 <= 1 1⁄2 | + 0,40 / - 0,80 | nota (f) | + 16,0 / - 12,5 | + 3,2 / - 0 (s) | - |
| B/SB 535 Hot Worked | 1 1⁄2 <= 4 | + 0,80 / - 0,80 | nota (f) | + 16,0 / - 12,5 | + 3,2 / - 0 (r) (s) | - |
| B/SB 535 Hot Worked | 4 <= 8 | + 1,60 / - 0,80 | nota (f) | + 16,0 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 535 Hot Worked | 8 <= 18 | + 2,40 / - 0,80 | nota (f) | + 16,0 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 535 Cold Worked | 1⁄8 <= 1 1⁄2 | + 0,40 / - 0,80 | nota (e) | 0,400 (10) < 5⁄8 (16): + 15,0 / - 15,0 % 5⁄8 (16) <= 1 1⁄2 (38): + 10,0 / - 10,0 % | + 3,2 / - 0 (s) | - |
| B/SB 535 Cold Worked | 1 1⁄2 <= 4 | + 0,80 / - 0,80 | nota (e) | 1 1⁄2 (38) <= 4 1⁄2 (114): + 10,0 / - 10,0 % | + 3,2 / - 0 (s) | - |
| B/SB 535 Cold Worked | 4 <= 8 | + 1,60 / - 0,80 | nota (e) | 1 1⁄2 (38) <= 4 1⁄2 (114): + 10,0 / - 10,0 % 4 1⁄2 (114) <= 8 5⁄8 (219): + 12,5 / - 12,5 % | + 3,2 / - 0 (r) (s) | - |
| B/SB 535 Cold Worked | 8 <= 18 | + 2,40 / - 0,80 | nota (e) | 6 5⁄8 (168) <= 8 5⁄8 (219): + 12,5 / - 12,5 % 8,625 (219) <= 24 (610): + 15,0 / - 12,5 % | + 4,8 / - 0 (s) | - |
| B 546 | 1⁄8 <= 1 1⁄2 | + 0,40 / - 0,80 | nota (g) | - 0,25mm | + 6,4 / - 0 (s) | <3,2mm/3m |
| B 546 | 1 1⁄2 <=4 | + 0,80 / - 0,80 | nota (g) | - 0,25mm | + 6,4 / - 0 (s) | <3,2mm/3m |
| B 546 | 4 <= 8 | + 1,60 / - 0,80 | nota (g) | - 0,25mm | + 6,4 / - 0 (s) | <3,2mm/3m |
| B 546 | 8 <= 18 | + 2,40 / - 0,80 | nota (g) | - 0,25mm | + 6,4 / - 0 (s) | <3,2mm/3m |
| B 546 | 18 <= 26 | + 3,20 / - 0,80 | nota (g) | - 0,25mm | + 6,4 / - 0 (s) | <3,2mm/3m |
| B 546 | 26 <= 34 | + 4,00 / - 0,80 | nota (g) | - 0,25mm | + 6,4 / - 0 (s) | <3,2mm/3m |
| B 546 | 34 <= 48 | + 4,80 / - 0,80 | nota (g) | - 0,25mm | + 6,4 / - 0 (s) | <3,2mm/3m |
| B/SB 619 | 1/8 | + 0,05 / - 0,15 | +/-1% nota (a) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | <3,17mm/3m |
| B/SB 619 | 1/4 - 3/8 | + 0,08 / - 0,20 | +/-1% nota (a) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | <3,17mm/3m |
| B/SB 619 | 1/2 | + 0,10 / - 0,25 | +/-1% nota (a) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | <3,17mm/3m |
| B/SB 619 | 3/4 - 1 1/4 | + 0,13 / - 0,30 | +/-1% nota (a) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | <3,17mm/3m |
| B/SB 619 | 1 1/2 | + 0,20 / - 0,38 | +/-1% nota (a) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | <3,17mm/3m |
| B/SB 619 | 2 - 2 1/2 | + 0,25 / - 0,41 | +/-1% nota (a) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | <3,17mm/3m |
| B/SB 619 | 3 - 3 1/2 | + 0,30 / - 0,46 | +/-1% nota (a) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | <3,17mm/3m |
| B/SB 619 | 4 | + 0,36 / - 0,51 | +/-1% nota (a) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | <3,17mm/3m |
| B/SB 619 | 5 - 8 | + 1,60 / - 0,79 | +/-1% nota (a) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | <3,17mm/3m |
| B/SB 619 | > 8 | + 0,50% / - 0,50% | +/-1% nota (a) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | <3,17mm/3m |
| B/SB 622 Hot Worked | 1 (25) <= 1,900 (48) | + 0,40 / - 0,79 | nota (f) | + 16,0 / - 12,5 | + 3,2 / - 0 (s) | - |
| B/SB 622 Hot Worked | 1,900 (48) <= 4 1⁄2 (114) | + 0,79 / - 0,79 | nota (f) | + 16,0 / - 12,5 | + 3,2 / - 0 (r) (s) | - |
| B/SB 622 Hot Worked | 4 1⁄2 (114) <= 6 1⁄2 (165) | + 1,20 / - 1,20 | nota (f) | + 16,0 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 622 Hot Worked | 6 1⁄2 (165) <= 9 1⁄4 (235) | + 1,60 / - 1,60 | nota (f) | + 16,0 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 622 Cold Worked | 0,400 (10) < 5⁄8 (16) | + 0,13 / - 0,13 | nota (e) | + 15,0 / - 15,0 | + 3,2 / - 0 (s) | - |
| B/SB 622 Cold Worked | 5⁄8 (16) <= 1 1⁄2 (38) | + 0,19 / - 0,19 | nota (e) | + 10,0 / - 10,0 | + 3,2 / - 0 (s) | - |
| B/SB 622 Cold Worked | 1 1⁄2 (38) <= 3 (76) | + 0,25 / - 0,25 | nota (e) | + 10,0 / - 10,0 | + 3,2 / - 0 (r) (s) | - |
| B/SB 622 Cold Worked | 3 (76) <= 4 1⁄2 (114) | + 0,38 / - 0,38 | nota (e) | + 10,0 / - 10,0 | + 4,8 / - 0 (s) | - |
| B/SB 622 Cold Worked | 4 1⁄2 (114) <= 6 (152) | + 0,51 / - 0,51 | nota (e) | + 12,5 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 622 Cold Worked | 6 (152) <= 6 5⁄8 (168) | + 0,64 / - 0,64 | nota (e) | + 12,5 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 622 Cold Worked | 6 5⁄8 (168) <= 8 5⁄8 (219) | + 0,79 / - 0,79 | nota (e) | + 12,5 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 622 Cold Worked | 8,625 (219) <= 14 (356) | + 1,57 / - 0,79 | nota (e) | + 15,0 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 622 Cold Worked | 14 (356) <= 24 (610) | + 3,18 / - 0,79 | nota (e) | + 15,0 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 626 | 0,125 (3,2) < 5⁄8 (16) | + 0,13 / - 0,10 | nota (c) | + 12,5 / - 12,5 | + 3,2 / - 0 (s) | - |
| B/SB 626 | 5⁄8 (16) <= 1 1⁄2 (38) | + 0,19 / - 0,19 | nota (c) | + 12,5 / - 12,5 | + 3,2 / - 0 (s) | - |
| B/SB 626 | 1 1⁄2 (38) <= 3 (76) | + 0,25 / - 0,25 | nota (c) | + 12,5 / - 12,5 | + 3,2 / - 0 (r) (s) | - |
| B/SB 626 | 3 (76) <= 4 1⁄2 (114) | + 0,38 / - 0,38 | nota (c) | + 12,5 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 626 | 4 1⁄2 (114) <= 6 (152) | + 0,51 / - 0,51 | nota (c) | + 12,5 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 658 | 1⁄8 (3,2) <=1 1⁄2 (40) (b) | + 0,40 / - 0,80 | nota (a) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | - |
| B/SB 658 | 1 1⁄2 (40) <= 4 (100) (b) | + 0,80 / - 0,80 | nota (a) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | - |
| B/SB 658 | 4 (100) <=8 (200) (b) | + 1,60 / - 0,80 | nota (a) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | - |
| B/SB 658 | 8 (200) <=12 (305) (b) | + 2,40 / - 0,80 | nota (a) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | - |
| B/SB 668 Hot Worked | 1 (25) <= 1,900 (48) | + 0,40 / - 0,79 | nota (f) | + 16,0 / - 12,5 | + 3,2 / - 0 (s) | - |
| B/SB 668 Hot Worked | 1,900 (48) <= 4 1⁄2 (114) | + 0,79 / - 0,79 | nota (f) | + 16,0 / - 12,5 | + 3,2 / - 0 (r) (s) | - |
| B/SB 668 Hot Worked | 4 1⁄2 (114) <= 6 1⁄2 (165) | + 1,20 / - 1,20 | nota (f) | + 16,0 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 668 Hot Worked | 6 1⁄2 (165) <= 9 1⁄4 (235) | + 1,60 / - 1,60 | nota (f) | + 16,0 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 668 Cold Worked | 0,400 (10) < 5⁄8 (16) | + 0,13 / - 0,13 | nota (e) | + 15,0 / - 15,0 | + 3,2 / - 0 (s) | - |
| B/SB 668 Cold Worked | 5⁄8 (16) <= 1 1⁄2 (38) | + 0,19 / - 0,19 | nota (e) | + 10,0 / - 10,0 | + 3,2 / - 0 (s) | - |
| B/SB 668 Cold Worked | 1 1⁄2 (38) <= 3 (76) | + 0,25 / - 0,25 | nota (e) | + 10,0 / - 10,0 | + 3,2 / - 0 (r) (s) | - |
| B/SB 668 Cold Worked | 3 (76) <= 4 1⁄2 (114) | + 0,38 / - 0,38 | nota (e) | + 10,0 / - 10,0 | + 4,8 / - 0 (s) | - |
| B/SB 668 Cold Worked | 41⁄2 (114) <= 6 (152) | + 0,51 / - 0,51 | nota (e) | + 12,5 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 668 Cold Worked | 6 (152) <= 6 5⁄8 (168) | + 0,64 / - 0,64 | nota (e) | + 12,5 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 668 Cold Worked | 6 5⁄8 (168) <= 8 5⁄8 (219) | + 0,79 / - 0,79 | nota (e) | + 12,5 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 668 Cold Worked | 8,625 (219) <= 14 (356) | + 1,57 / - 0,79 | nota (e) | + 15,0 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 668 Cold Worked | 14 (356) <= 24 (610) | + 3,18 / - 0,79 | nota (e) | + 15,0 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 673 | 1⁄8 <= 1 1⁄2 | + 0,40 / - 0,80 | nota (c) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | - |
| B/SB 673 | 1 1⁄2 <= 4 | + 0,80 / - 0,80 | nota (c) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | - |
| B/SB 673 | 4 <= 8 | + 1,60 / - 0,80 | nota (c) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | - |
| B/SB 673 | 8 <= 18 | + 2,40 / - 0,80 | nota (c) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | - |
| B/SB 673 | 18 <= 26 | + 3,20 / - 0,80 | nota (c) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | - |
| B/SB 673 | 26 <= 34 | + 4,00 / - 0,80 | nota (c) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | - |
| B/SB 673 | 34 <= 48 | + 4,80 / - 0,80 | nota (c) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | - |
| B/SB 675 | 1⁄8 <= 1 1⁄2 | + 0,40 / - 0,80 | nota (c) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | - |
| B/SB 675 | 1 1⁄2 <= 4 | + 0,80 / - 0,80 | nota (c) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | - |
| B/SB 675 | 4 <= 8 | + 1,60 / - 0,80 | nota (c) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | - |
| B/SB 675 | 8 <= 18 | + 2,40 / - 0,80 | nota (c) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | - |
| B/SB 675 | 18 <= 26 | + 3,20 / - 0,80 | nota (c) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | - |
| B/SB 675 | 26 <= 34 | + 4,00 / - 0,80 | nota (c) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | - |
| B/SB 675 | 34 <= 48 | + 4,80 / - 0,80 | nota (c) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | - |
| B/SB 677 Hot Worked | 1 (25) <= 1,900 (48) | + 0,40 / - 0,79 | nota (f) | + 16,0 / - 12,5 | + 3,2 / - 0 (s) | - |
| B/SB 677 Hot Worked | 1,900 (48) <= 4 1⁄2 (114) | + 0,79 / - 0,79 | nota (f) | + 16,0 / - 12,5 | + 3,2 / - 0 (r) (s) | - |
| B/SB 677 Hot Worked | 4 1⁄2 (114) <= 6 1⁄2 (165) | + 1,20 / - 1,20 | nota (f) | + 16,0 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 677 Hot Worked | 6 1⁄2 (165) <= 9 1⁄4 (235) | + 1,60 / - 1,60 | nota (f) | + 16,0 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 677 Cold Worked | 0,400 (10) < 5⁄8 (16) | + 0,13 / - 0,13 | nota (e) | + 15,0 / - 15,0 | + 3,2 / - 0 (s) | - |
| B/SB 677 Cold Worked | 5⁄8 (16) <= 1 1⁄2 (38) | + 0,19 / - 0,19 | nota (e) | + 10,0 / - 10,0 | + 3,2 / - 0 (s) | - |
| B/SB 677 Cold Worked | 1 1⁄2 (38) <= 3 (76) | + 0,25 / - 0,25 | nota (e) | + 10,0 / - 10,0 | + 3,2 / - 0 (r) (s) | - |
| B/SB 677 Cold Worked | 3 (76) <= 4 1⁄2 (114) | + 0,38 / - 0,38 | nota (e) | + 10,0 / - 10,0 | + 4,8 / - 0 (s) | - |
| B/SB 677 Cold Worked | 4 1⁄2 (114) <= 6 (152) | + 0,51 / - 0,51 | nota (e) | + 12,5 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 677 Cold Worked | 6 (152) <= 6 5⁄8 (168) | + 0,64 / - 0,64 | nota (e) | + 12,5 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 677 Cold Worked | 6 5⁄8 (168) <= 8 5⁄8 (219) | + 0,79 / - 0,79 | nota (e) | + 12,5 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 677 Cold Worked | 8,625 (219) <= 14 (356) | + 1,57 / - 0,79 | nota (e) | + 15,0 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 677 Cold Worked | 14 (356) <= 24 (610) | + 3,18 / - 0,79 | nota (e) | + 15,0 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 705 | 1⁄8 <= 1 1⁄2 | + 0,40 / - 0,80 | nota (c) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | - |
| B/SB 705 | 1 1⁄2 <= 4 | + 0,80 / - 0,80 | nota (c) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | - |
| B/SB 705 | 4 <= 8 | + 1,60 / - 0,80 | nota (c) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | - |
| B/SB 705 | 8 <= 18 | + 2,40 / - 0,80 | nota (c) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | - |
| B/SB 705 | 18 <= 26 | + 3,20 / - 0,80 | nota (c) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | - |
| B/SB 705 | 26 <= 34 | + 4,00 / - 0,80 | nota (c) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | - |
| B/SB 705 | 34 <= 48 | + 4,80 / - 0,80 | nota (c) | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | - |
| B 725 | 1⁄8 <= 1 1⁄2 | + 0,40 / - 0,80 | - | + 12,5 / - 12,5 | + 3,18 / - 0 (s) | - |
| B 725 | 1 1⁄2 <= 4 | + 0,80 / - 0,80 | - | + 12,5 / - 12,5 | + 3,18 / - 0 (r) (s) | - |
| B 725 | 4 <= 8 | + 1,60 / - 0,80 | - | + 12,5 / - 12,5 | + 4,75 / - 0 (s) | - |
| B 725 | 8 <= 18 | + 2,40 / - 0,80 | - | + 12,5 / - 12,5 | + 4,75 / - 0 (s) | - |
| B 725 | 18 <= 26 | + 3,20 / - 0,80 | - | + 12,5 / - 12,5 | + 4,75 / - 0 (s) | - |
| B 725 | 26 <= 34 | + 4,00 / - 0,80 | - | + 12,5 / - 12,5 | + 4,75 / - 0 (s) | - |
| B 725 | 34 <= 48 | + 4,80 / - 0,80 | - | + 12,5 / - 12,5 | + 4,75 / - 0 (s) | - |
| B/SB 729 Hot Worked | 1 (25) <= 1,900 (48) | + 0,40 / - 0,79 | nota (f) | + 16,0 / - 12,5 | + 3,2 / - 0 (s) | - |
| B/SB 729 Hot Worked | 1,900 (48) <= 4 1⁄2 (114) | + 0,79 / - 0,79 | nota (f) | + 16,0 / - 12,5 | + 3,2 / - 0 (r) (s) | - |
| B/SB 729 Hot Worked | 4 1⁄2 (114) <= 6 1⁄2 (165) | + 1,20 / - 1,20 | nota (f) | + 16,0 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 729 Hot Worked | 6 1⁄2 (165) <= 9 1⁄4 (235) | + 1,60 / - 1,60 | nota (f) | + 16,0 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 729 Cold Worked | 0,400 (10) < 5⁄8 (16) | + 0,13 / - 0,13 | nota (e) | + 15,0 / - 15,0 | + 3,2 / - 0 (s) | - |
| B/SB 729 Cold Worked | 5⁄8 (16) <= 1 1⁄2 (38) | + 0,19 / - 0,19 | nota (e) | + 10,0 / - 10,0 | + 3,2 / - 0 (s) | - |
| B/SB 729 Cold Worked | 1 1⁄2 (38) <= 3 (76) | + 0,25 / - 0,25 | nota (e) | + 10,0 / - 10,0 | + 3,2 / - 0 (r) (s) | - |
| B/SB 729 Cold Worked | 3 (76) <= 4 1⁄2 (114) | + 0,38 / - 0,38 | nota (e) | + 10,0 / - 10,0 | + 4,8 / - 0 (s) | - |
| B/SB 729 Cold Worked | 4 1⁄2 (114) <= 6 (152) | + 0,51 / - 0,51 | nota (e) | + 12,5 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 729 Cold Worked | 6 (152) <= 6 5⁄8 (168) | + 0,64 / - 0,64 | nota (e) | + 12,5 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 729 Cold Worked | 6 5⁄8 (168) <= 8 5⁄8 (219) | + 0,79 / - 0,79 | nota (e) | + 12,5 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 729 Cold Worked | 8,625 (219) <= 14 (356) | + 1,57 / - 0,79 | nota (e) | + 15,0 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 729 Cold Worked | 14 (356) <= 24 (610) | + 3,18 / - 0,79 | nota (e) | + 15,0 / - 12,5 | + 4,8 / - 0 (s) | - |
| B/SB 804 | - | + 0,50% / - 0,50% | 1% | - 0,25mm | - | <3,17mm/3m |
| B/SB 861 | 1⁄8 (3,2) <= 1 1⁄2 (38) | + 0,397 / - 0,794 | - | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | <1:500/3m |
| B/SB 861 | 1 1⁄2 (38) <= 4 (102) | + 0,794 / - 0,794 | - | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | <1:500/3 |
| B/SB 861 | 4 (102) <= 8 (203) | + 1,588 / - 0,794 | - | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | <1:500/3m |
| B/SB 861 | 8 (203) <= 18 (432) | + 2,382 / - 0,794 | - | + 12,5 / - 12,5 | + 6,4 / - 0 (s) | <1:500/3m |
| B/SB 862 | 1⁄8 (3,2) <= 1 1⁄2 (38) | + 0,397 / - 0,794 | nota (a) | + 12,5 / - 12,5 | + 6,4 / - 0 | <6,35mm/3m |
| B/SB 862 | 1 1⁄2 (38) <= 4 (102) | + 0,794 / - 0,794 | nota (a) | + 12,5 / - 12,5 | + 6,4 / - 0 | <6,35mm/3m |
| B/SB 862 | 4 (102) <= 8 (203) | + 1,588 / - 0,794 | nota (a) | + 12,5 / - 12,5 | + 6,4 / - 0 | <6,35mm/3m |
| B/SB 862 | 8 (203) <= 18 (432) | + 2,382 / - 0,794 | nota (a) | + 12,5 / - 12,5 | + 6,4 / - 0 | <6,35mm/3m |
| B/SB 862 | 18 (432) <= 26 (660) | + 3,175 / - 0,794 | nota (a) | + 12,5 / - 12,5 | + 6,4 / - 0 | <6,35mm/3m |
| B/SB 862 | 26 (660) <= 30 (762) | + 3,969 / - 0,794 | nota (a) | + 12,5 / - 12,5 | + 6,4 / - 0 | <6,35mm/3m |
| B/SB 862 | > 30 (762) | + 0,50% / - 0,50% | nota (a) | + 12,5 / - 12,5 | + 6,4 / - 0 | <6,35mm/3m |
t = Nominal Wall Thickness
D = Ordered Outside Diameter
Outside Diameter: Based on circumferential measurement.
Out-of-Roundness / Ovality: Difference between major and minor outsidediameters.
Alignment / Straightness: Using a 3 m straightedge placed so that both ends are in contact with the pipe, measure the contact deviation between the pipe and the straightedge.
(a) The tolerances for outside diameter include ovality (Out-of-Roundness), except for thin-wall pipe, defined as pipe having a wall thickness of 3 % or less of the specified outside diameter, the diameter tolerance is applicable only to the mean of the extreme (maximum and minimum) outside diameter readings in any cross-section. For thin-wall pipe, the difference in extreme outside readings (ovality) in any cross-section shall not exceed 1.5 % of the specified outside diameter.
(b) For seamless pipe only. Tolerances on welded pipe shall be as agreed between the manufacturer and the purchaser.
(c) For thin-wall pipe, defined as pipe having a wall thickness of 3 % or less of the specified outside diameter, the diameter tolerance, shall apply only to the mean of the extreme (maximum and minimum) outside diameter readings in any one cross section. For thin-wall pipe, the difference in extreme outside readings (called ovality) in any section shall not exceed twice the permissible variations in outside diameter of the specified diameter.
(d) Normal Wall Tube and As-Drawn, ovality will be held within the outside diameter tolerances shown in the table. Normal Wall Tube and Annealed, ovality will be held within 2 % of the theoretical average outside diameter. Light-Wall Tube and As-Drawn, up to but not including 1 1⁄4 in. (31.8 mm) in outside diameter, ovality will be held within 2 % of the theoretical average outside diameter. Light-Wall Tube and Annealed, Ovality will be held within 3 % of the theoretical average outside diameter.
(e) The permissible variations in this table apply to individual measurements, including out-of-roundness (ovality) except for the following:
- For pipe and tube having a nominal wall thickness of 3 % or less of the nominal outside diameter, the mean outside diameter shall conform to the permissible variations of this table and individual measurements (including ovality) shall conform to the plus and minus values of the table, with the values increased by 0.5 % of the nominal outside diameter.
- For pipe and tube over 41⁄2 in. (114 mm) in outside diameter with a nominal wall thickness greater than 3 % of the nominal outside diameter, the mean outside diameter shall conform to the permissible variations of this table and individual measurements shall not exceed twice the permissible variations of the table.
(f) For pipe 5 in. (127 mm) and under in outside diameter, the tolerance on the outside diameter applies for individual measurements and includes ovality. For pipe over 5 in. (125 mm) in outside diameter, the mean outside diameter shall conform to the permissible variations of this table and individual measurements shall not exceed twice the permissible variations of this table.
(g) Ovality is the difference between the maximum and the minimum outside diameter measured at any one cross section. There is no additional tolerance for ovality on material having a nominal wall thickness for more than 3 % of the outside diameter. On this material, the average of the maximum and the minimum outside diameter measurements will fall within the outside diameter tolerance. An additional ovality allowance of twice the outside diameter tolerance spreads, applied +/-1/2 , is allowed for material having a nominal wall thickness of 3 % or less of the nominal outside diameter.
(h) Light-Wall Tube, the plus and minus wall tolerance shown in the table shall apply down to and including 0.005 in. (0.13 mm) in wall thickness. For wall thicknesses less than 0.005 in. (0.13 mm), the tolerance shall be +/-0.0005 in. (0.013 mm).
(n) If specific cut lengths of 7.3 m or less are ordered.
(p) If specific cut lengths are ordered.
(q) Random Lengths: Where nominal random lengths on tubing 1⁄8 in. (3.2 mm) and larger in outside diameter are specified, a length tolerance of +/- 31⁄2 ft (1.06 m) applies to the nominal length.This is a total spread of 7 ft (2.10 m). Random lengths in sizes 1⁄8 in. (3.2 mm) and larger in outside diameter shall be subject to a length range of 5 to 24 ft (1.50 to 7.30 m). Long random lengths are subject to a range of 15 to 22 ft (4.57 to 6.70 m). Random lengths in sizes up to, but not including 1⁄8 in. (3.2 mm) in outside diameter, and fragile light-wall tubes over this outside diameter are subject to the length range of 1 to 15 ft (0.30 to 4.57 m).
(r) Up to 2” (50.8mm)
(s) These permissible variations in length apply to pipe or tube in straight lengths. They apply to cut lengths up to and including 24 ft (7.3 m). For lengths over 24 ft, an additional over-tolerance of 1⁄8 in. (3.2 mm) for each 10 ft (3.0 m) or fraction thereof shall be permissible up to a maximum additional over-tolerance of 1⁄2 in. (12.7 mm).
(t) Round tubing is subject to a straightness tolerance of one part in 600 [equivalent to a depth of arc of 0.030 in. (0.76 mm) in any 3 ft (0.91 m) of length].
(u) For more detailed information please see the relevant ASTM/ASME code.