| Outside diameter |
|
Wall thickness |
| Tolerance class |
Tolerance |
|
Tolerance class |
Tolerance |
| D1 |
± 1,5 %
min. ± 0,75 mm |
|
T1 |
± 15 %
min. ± 0,60 mm |
| D2 |
± 1 %
min. ± 0,50 mm |
|
T2 |
± 12,5%
min. ± 0,40 mm |
| D3 |
± 0,75 %
min. ± 0,30 mm |
|
T3 |
± 10 %
min. ± 0,20 mm |
| D4 |
± 0,5 %
min. ± 0,10 mm |
|
T4 |
± 7,5 %
min. ± 0,15 mm |
|
|
Tolerances acc. To EN 1127 seamless tubes
| Outside diameter |
|
Wall thickness |
| Outside tube diameter |
Permissible Variations |
|
Permissible Variations |
| < 1/2" |
± 0,005" (0,13) |
|
± 15 % |
| ≥ 1/2" < 1 1/2" (12,7 – 38,1) |
± 0,005" (0,13) |
|
± 10% |
| ≥ 1/2" < 3 1/2" (38,1 – 88,9) |
± 0,010" (0,25) |
|
± 10% |
Tolerances acc. to ASTM A 269
| Outside diameter |
|
Wall thickness |
Nominal outside
pipe diameter |
Permissible Variations |
|
Permissible Variations |
| 1/8" ≤ 1 1/2" (10,29 – 48,26) |
+0,015" (0,40) - 0,031" (0,79) |
|
|
| > 1 1/2" ≤ 4" (48,26 – 114,30) |
+ 0,031" (0,79) - 0,031" (0,79) |
|
+22,5% max. |
| > 4" ≤ 8" (114,30 – 219,08) |
+ 0,062" (1,59) - 0,031" (0,79) |
|
-12,5% max. |
| > 8" ≤ 18" (219,08 – 457,2) |
+ 0,093" (2,38) - 0,031" (0,79) |
|
|
| > 18" ≤ 26" (457,2 – 660,4) |
+ 0,125" (3,18) - 0,031" (0,79) |
|
|
Tolerances acc. to ASTM A 999
|
|
ENQUIRY