Asst A269 nyaéta spésifikasi standar pikeun salseuble tabung steel steendenital nésang pikeun tahan koréksi umum-tahan sareng suhu lemah, supuk rorsion, sareng wortel tangan akremen. Assty A213 mangrupikeun spésifikasi standar pikeun kembang gondok serentak sareng hawa ansitis, superhiater tabung bumi, sareng a249, sareng A214.
Standar Asma249 ASTM A269 Astma270 Astm213
| Standar | Kasabaran diaméter luar (mm) | Tembok Tembok (%) | Panjang kasabaran (mm) | ||
| Astm A249 | <25.0 | +0.10 -0.11 | ± 10% | ||
| ≥25.0-≤40.0 | ± 0,15 | ||||
| > 40.0- <50,0 | ± 0,20 | OD <50,8 | + 3.0-0.0 | ||
| ≥50.0 ~ <65.0 | ± 0,25 | ||||
| ≥65.0- <75.0 | ± 0,30 | ||||
| ≥75.0 ~ <100.0 | ± 0,38 | Od 850.8 | + 5.0-0.0 | ||
| ≥100 ~ ≤200.0 | +0.38 -0.64 | ||||
| > 200.0-≤252.0 | +0.38 -1.14 | ||||
| Astm A269 | <38.1 | ± 0,13 | |||
| ≥38.1 ~ <88.9 | ± 0,25 | ||||
| ≥88.9- <139.7 | ± 0,38 | ± 15.0% | Od <38.1 | + 3.2-0.0 | |
| ≥139.7 ~ <203.2 | ± 0,76 | ± 10,0% | 0D ≥38,1 | + 4.0-0.0 | |
| ≥203.2- <304.8 | ± 1.01 | ||||
| ≥30,8- <355.6 | ± 1.26 | ||||
| Astma270 | ≤25.4 | ± 0,13 | ± 10% | + 10-0.0 | |
| > 25.4-≤50.8 | ± 0,20 | ||||
| > 50,8 ~ ≤62 | ± 0,25 | ||||
| > 76.2- ≤101.6 | ± 0,38 | ||||
| > 101.6 ~ <139.7 | ± 0,38 | ||||
| ≥139.7-20,2 | ± 0,76 | ||||
| ≥203 2 ~ ≤309.8 | ± 1.27 | ||||
| Astm213 | D <25.4 | ± 0,10 | +20/0 | + 3.0 / 0 | |
| 25.4 ~ 38.1 | ± 0,15 | ||||
| 38.1 ~ 50,8 | ± 0,20 | ||||
| 50.8 ~ 63.5 | ± 0,25 | +22/0 | + 5.0 / 0 | ||
| 63.5 ~ 76.2 | ± 0,30 | ||||
| 76.2 ~ 101.6 | ± 0,38 | ||||
| 101.6 ~ 190.5 | + 0.38 / -0.64 | ||||
| 190.5 ~ 228.6 | + 0.38 / -1.14 | ||||
Waktu Pasang: Jun-27-2023