A) DIMENSIONI: 1/8"-32", DN10~DN800
B) spessore parete: SCH20, STD, SCH40, SCH80, SCH160, XXS, OEM, ecc.
C) materiale: A) acciaio al carbonio b) acciaio inossidabile c)acciaio legato
D) STANDARD: API 5L/ASTM A53/ASTM A106/ASTM A213/A269/A312/A790/A270/DIN 17175/DIN 2448 ECC.
E) superficie: Vernice nera antiruggine, zincata a caldo, lavaggio acido o lucidata, PE, 3PE, FBE, rivestimento resistente alla corrosione
Lo spessore della parete del tubo senza giunture
| MM | POLLICI | ASME | DIN | DIN | ASME | JIS | ASME | ASME | ASME | ASME |
| R | B | D. E. | D. E. | Spessore | SCH20 | SGP | STANDARD | SCH40 | XS | SCH80 |
| 6 | 1/8" | 10.3 | 2 | 1.73 | 1.73 | 2.41 | 2.41 | |||
| 8 | 1/4" | 13.5 | 2.3 | 2.24 | 2.24 | 3.02 | 3.02 | |||
| 10 | 3/8" | 17.1 | 17.2 | 1.8 | 2.3 | 2.31 | 2.31 | 3.2 | 3.2 | |
| 15 | 1/2" | 21.3 | 21.3 | 2 | 2.5 | 2.8 | 2.77 | 2.77 | 3.37 | 3.73 |
| 20 | 3/4" | 26.7 | 26.9 | 2.3 | 2.5 | 2.8 | 2.87 | 2.87 | 3.91 | 3.91 |
| 25 | 1" | 33.4 | 33.7 | 2.6 | 3 | 3.2 | 3.38 | 3.38 | 4.55 | 4.55 |
| 32 | 1.1/4" | 42.2 | 42.4 | 2.6 | 3 | 3.5 | 3.56 | 3.56 | 4.85 | 4.85 |
| 40 | 1.1/2" | 48.3 | 48.3 | 2.6 | 3 | 3.5 | 3.68 | 3.68 | 5.08 | 5.08 |
| 50 | 2" | 60.3 | 60.3 | 2.9 | 3.2 | 3.8 | 3.91 | 3.91 | 5.54 | 5.54 |
| 65 | 2.1/2" | 73 | 76.1 | 2.9 | 4.5 | 4.2 | 5.16 | 5.16 | 7.01 | 7.01 |
| 80 | 3" | 88.9 | 88.9 | 3.2 | 4.5 | 4.2 | 5.49 | 5.49 | 7.62 | 7.62 |
|
90 |
3.1/2" | 101.6 | 101.6 | - | 4.5 | 4.2 | 5.74 | 5.74 | 8.08 | 8.08 |
| 100 | 4" | 114.3 | 114.3 | 3.6 | 4.9 | 4.5 | 6.02 | 6.02 | 8.56 | 8.56 |
| 125 | 5" | 141.3 | 139.7 | 4 | 5.1 | 4.5 | 6.55 | 6.55 | 9.53 | 9.53 |
| 150 | 6" | 168.3 | 168.3 | 4.5 | 5.5 | 5 | 7.11 | 7.11 | 10.97 | 10.97 |
| 200 | 8" | 219.1 | 219.1 | 6.3 | 6.35 | 5.8 | 8.18 | 8.18 | 12.7 | 12.7 |
| 250 | 10" | 273 | 273 | 6.3 | 6.35 | 6.6 | 9.27 | 9.27 | 12.7 | 15.09 |
| 300 | 12" | 323.8 | 323.8 | 7.1 | 6.35 | 6.9 | 9.53 | 10.31 | 12.7 | 17.48 |
| 350 | 14" | 355.6 | 355.6 | 8 | 7.92 | 7.9 | 9.53 | 11.13 | 12.7 |
19.05 |
Tolleranza del diametro esterno e dello spessore della parete
| Standard | Tolleranza diametro esterno (mm) | Spessore parete (mm) | ||
| De(mm) | Tolleranza de | De ≤130 mm | De > 130 mm | |
| BRACCIO A53 | < 48.3 | +0, 4mm - 0, 79mm | tutto | +12.5% |
| > 60.3 | +1% | |||
| ASTM A106 | < 48.3 | +0, 4mm - 0, 79mm | tutto | +12.5% |
| 48.3-114.3 | +0, 79mm | |||
| > 114.3 | +1, 59 - 0, 79mm | |||