Ipayipi le-ASTM A106 Grade B lingenye yamapayipi ensimbi angenamthungo athandwa kakhulu asetshenziswa ezimbonini ezahlukene. Hhayi kuphela ezinhlelweni zamapayipi afana nowoyela negesi, amanzi, ukudluliswa kwe-slurry yamaminerali, kodwa futhi nakwebhoyila, ukwakhiwa, kanye nezinjongo zesakhiwo.
Isingeniso somkhiqizo
Ipayipi Lokucindezela Elingenamthungo le-ASTM A106 (elaziwa nangokuthi ipayipi le-ASME SA106) livame ukusetshenziswa ekwakhiweni kwezindawo zokuhlanza uwoyela negesi, iziteshi zikagesi, iziteshi zamakhemikhali kaphethiloli, amabhoyila, kanye nemikhumbi lapho amapayipi kumele athuthe khona uketshezi namagesi abonisa amazinga okushisa aphezulu kanye namazinga okucindezela.
Insimbi ye-Gnee igcina uhla oluphelele lwamapayipi e-A106 (ipayipi le-SA106) ku:
Amabanga B no-C
Ububanzi be-NPS ¼” kuya ku-30”
Amashejuli 10 kuya ku-160, STD, XH kanye no-XXH
Amashejuli 20 kuya ku-XXH
Ubukhulu bodonga ngale kwe-XXH, kufaka phakathi:
– Kufika odongeni oluyi-4” phakathi kuka-20” kuya ku-24” OD
– Kufika odongeni oluyi-3” phakathi kuka-10” kuya ku-18” OD
– Kufika odongeni oluyi-2” phakathi kuka-4” kuya ku-8” OD
| Ibanga A | Ibanga B | Ibanga C | |
| Ubuningi bekhabhoni % | 0.25 | 0.30* | 0.35* |
| *I-Manganese % | 0.27 kuya ku-0.93 | *0.29 kuya ku-1.06 | *0.29 kuya ku-1.06 |
| I-Phosphorus, ubuningi. % | 0.035 | 0.035 | 0.035 |
| I-Sulphur, ubuningi. % | 0.035 | 0.035 | 0.035 |
| I-Silicon, ubuncane% | 0.10 | 0.10 | 0.10 |
| I-Chrome, ubuningi. % | 0.40 | 0.40 | 0.40 |
| Ithusi, ubuningi. % | 0.40 | 0.40 | 0.40 |
| I-Molybdenum, ubuningi. % | 0.15 | 0.15 | 0.15 |
| I-Nickel, ubuningi. % | 0.40 | 0.40 | 0.40 |
| I-Vanadium, ubuningi.% | 0.08 | 0.08 | 0.08 |
| *Ngaphandle kokuthi umthengi asho ngenye indlela, ngokunciphisa ngakunye okungu-0.01% ngaphansi komkhawulo wekhabhoni ocacisiwe, ukwanda okungu-0.06% we-manganese ngaphezu komkhawulo ocacisiwe kuzovunyelwa kufikela kumkhawulo ophezulu ongu-1.65% (1.35% we-ASME SA106). | |||
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Isikhathi sokuthunyelwe: Disemba-29-2023
