Ipayipi lensimbi yekhabhoni likaSheduli 80 uhlobo lwepayipi olubonakala ngodonga lwayo olukhulu uma luqhathaniswa nezinye izinhlelo, njengeSheduli 40. "Isheduli" yepayipi ibhekisela ekujikeni kodonga lwayo, okuthinta isilinganiso sokucindezela kwayo kanye namandla esakhiwo.
Izici Eziyinhloko Zepayipi Lensimbi Yekhabhoni Leshejuli 80
1. Ubukhulu Bodonga: Bukhulu kuneShejuli 40, bunikeza amandla nokuqina okukhulu.
2. Isilinganiso Sokucindezela: Isilinganiso sokucindezela esiphezulu ngenxa yobukhulu bodonga obukhuphukile, okwenza lufanelekele ukusetshenziswa kokucindezela okuphezulu.
3. Izinto: Zenziwe ngensimbi yekhabhoni, enikeza amandla nokuqina okuhle, kanye nokumelana nokuguguleka.
4. Izicelo:
Amapayipi Ezimboni: Asetshenziswa ezimbonini ezifana nowoyela negesi, ukucubungula amakhemikhali, kanye nokukhiqizwa kukagesi.
Amapayipi: Kufanelekela imigqa yamanzi enomfutho ophezulu.
Ukwakhiwa: Kusetshenziswa ezindleleni zokwakha lapho kudingeka khona amandla aphezulu.
Imininingwane yeShejuli 80 Carbon Steel Pipe
| Usayizi ojwayelekile | DN | Ububanzi bangaphandle | Ububanzi bangaphandle | ukujiya kweshejuli engu-80 | |
| Ubukhulu bodonga | Ubukhulu bodonga | ||||
| [intshi] | [intshi] | [mm] | [intshi] | [mm] | |
| 1/2 | 15 | 0.84 | 21.3 | 0.147 | 3.73 |
| 3/4 | 20 | 1.05 | 26.7 | 0.154 | 3.91 |
| 1 | 25 | 1.315 | 33.4 | 0.179 | 4.55 |
| 1 1/4 | 32 | 1.66 | 42.2 | 0.191 | 4.85 |
| 1 1/2 | 40 | 1.9 | 48.3 | 0.200 | 5.08 |
| 2 | 50 | 2.375 | 60.3 | 0.218 | 5.54 |
| 2 1/2 | 65 | 2.875 | 73 | 0.276 | 7.01 |
| 3 | 80 | 3.5 | 88.9 | 0.300 | 7.62 |
| 3 1/2 | 90 | 4 | 101.6 | 0.318 | 8.08 |
| 4 | 100 | 4.5 | 114.3 | 0.337 | 8.56 |
| 5 | 125 | 5.563 | 141.3 | 0.375 | 9.52 |
| 6 | 150 | 6.625 | 168.3 | 0.432 | 10.97 |
| 8 | 200 | 8.625 | 219.1 | 0.500 | 12.70 |
| 10 | 250 | 10.75 | 273 | 0.594 | 15.09 |
Osayizi: Kutholakala ngobubanzi bosayizi bamapayipi ajwayelekile (i-NPS), ngokuvamile kusuka ku-1/8 intshi kuya ku-24 intshi.
Izindinganiso: Zivumelana nezindinganiso ezahlukene ezifana ne-ASTM A53, A106, kanye ne-API 5L, ezichaza izidingo zezinto zokwakha, ubukhulu, kanye nokusebenza.
Ukwakheka Kwamakhemikhali Kwepayipi Lensimbi Yekhabhoni Leshejuli 80
Ishejuli 80 izoba nobukhulu obuthile obunqunyiwe, kungakhathaliseki ukuthi insimbi esetshenzisiwe ingakanani noma ingakanani.
| Ibanga A | Ibanga B | |
| C, ubuningi be-% | 0.25 | 0.3 |
| Mn, ubuningi % | 0.95 | 1.2 |
| P, ubuningi % | 0.05 | 0.05 |
| S, ubuningi be-% | 0.045 | 0.045 |
| Amandla okudonsa, min [MPa] | 330 | 415 |
| Amandla okukhiqiza, min [MPa] | 205 | 240 |
Isheduli 80 Ipayipi Lensimbi Yekhabhoni
Izinzuzo:
Amandla Aphezulu: Izindonga ezijiyile zinikeza ubuqotho besakhiwo obuthuthukisiwe.
Ukuqina: Ukuqina kwensimbi yekhabhoni kanye nokumelana nokuguguleka kwenza la mapayipi ahlale isikhathi eside.
Ukuguquguquka: Kufanelekela izinhlelo zokusebenza eziningi kanye nezimboni ezahlukene.
Okubi:
Isisindo: Izindonga ezijiyile zenza amapayipi abe nzima futhi kube nzima ukuwaphatha nokuwafaka.
Izindleko: Ngokuvamile zibiza kakhulu kunezipayipi ezinezindonga ezincane ngenxa yokusetshenziswa kwezinto zokwakha okwandisiwe.
Isikhathi sokuthunyelwe: Meyi-24-2024