Pibell Dur ASTM A53 B ERWCais
1 Pensaernïaeth: biblinell uchafswm o dan fwy o echdynnu dŵr daear pan fydd tyrau, boeleri, trawsgludiad dŵr poeth ac yn y blaen.
2 Peiriannu, setiau dwyn, peiriannau prosesu ac ategolion eraill.
3 Dosbarth trydanol: dosbarthiad nwy, cwndid hylif pŵer dŵr.
4 gweithfeydd pŵer gwynt tiwbiau gwrth-statig.
Mae Pibell Dur ASTM A53 B ERW yn cwmpasu'r mathau a'r graddau canlynol:
Math E - Wedi'i weldio â gwrthiant trydan, Graddau A a B
Cemegol o bibell ddur ASTM A53 B ERW
| Math | Carbon max. % | Manganîs max. % | Ffosfforws max. % | Sylffwr max. % | Copr max. % | Nicel max. % | Cromiwm max. % | Molybdenwm max. % | ||||||||
| Gradd A | Gradd B | Gradd A | Gradd B | Gradd A | Gradd B | Gradd A | Gradd B | Gradd A | Gradd B | Gradd A | Gradd B | Gradd A | Gradd B | Gradd A | Gradd B | |
| Math E (gwrthiant trydan wedi'i weldio) | 0.25 | 0.30 | 0.95 | 1.2 | 0.05 | 0.05 | 0. 045 | 0. 045 | 0.40 | 0.40 | 0.40 | 0.40 | 0.15 | 0.15 | 0.08 | 0.08 |
Tynnol Pibell Dur ASTM A53 B ERW:
| Tynnol | Trydan-ymwrthedd-weldio
| |
| Gradd A | Gradd B | |
| Cryfder Tynnol min. psi | 48,000 | 45,000 |
| Cryfder Cynnyrch min. psi | 30,000 | 25,000 |
Manyleb Pibell Dur ASTM A53 B ERW
| Trwch Wal | Diamedr Allan | ||||||||||||||||||
| Modfedd | mm | modfedd | mm | modfedd | mm | modfedd | mm | modfedd | mm | modfedd | mm | modfedd | mm | modfedd | mm | modfedd | mm | modfedd | mm |
| 8 5/8 | 219.1 | 10 3/4 | 273.1 | 12 3/4 | 325.0 | 14 | 355.6 | 16 | 406.4 | 18 | 457.7 | 20 | 508.0 | 24 | 610 | 24 4/5 | 630.0 | ||
| 0. 157 | 4.0 | l | l | ||||||||||||||||
| 0. 197 | 5.0 | l | l | l | l | l | l | l | l | ||||||||||
| 0.236 | 6.0 | l | l | l | l | l | l | l | l | l | l | l | l | ||||||
| 0.276 | 7.0 | l | l | l | l | l | l | l | l | l | l | l | l | l | |||||
| 0. 315 | 8.0 | l | l | l | l | l | l | l | l | l | l | l | l | l | l | l | l | ||
| 0. 354 | 9.0 | l | l | l | l | l | l | l | l | l | l | l | l | l | l | l | l | ||
| 0. 394 | 10.0 | l | l | l | l | l | l | l | l | l | l | l | l | l | l | l | l | l | l |
| 0. 433 | 11.0 | l | l | l | l | l | l | l | l | l | l | l | l | l | l | l | l | l | l |
| 0. 492 | 12.5 | l | l | l | l | l | l | l | l | l | l | l | l | l | l | l | l | l | l |
| 0.551 | 14.0 | l | l | l | l | l | l | l | l | l | l | l | l | l | l | ||||
| 0.630 | 16.0 | l | l | l | l | l | l | l | l | l | l | l | l | l | l | ||||
| 0.689 | 17.5 | l | l | l | l | l | l | l | l | l | l | ||||||||
| 0.748 | 19.0 | l | l | l | l | l | l | l | l | ||||||||||
| 0.787 | 20.0 | l | l | l | l | l | l | ||||||||||||
Amser post: Chwefror-08-2023