Ishubhu Elihlanganisiwe Le-Arc Spiral Welded Lemigqa Yegesi Ecwiliswe Ngaphansi
Amapayipi ahlanganisiwe ajikelezayo akhiqizwa njalo futhi ngokombono angakhiqiza amapayipi ensimbi amade kakhulu. Le nqubo yokukhiqiza inciphisa ukulahlekelwa kokusika ikhanda nomsila ngenkathi ikhulisa ukusetshenziswa kwensimbi ngo-6% kuya ku-8%. Lokhu kuzoholela ekongeni izindleko kanye nokusebenza kahle kwamakhasimende ethu.
Okwethuamashubhu ahlanganisiwe ajikelezayoinikeza ukuguquguquka kokusebenza okuphezulu uma kuqhathaniswa namapayipi endabuko ahlanganisiwe ngomthungo oqondile. Kulula ukushintshanisa nokulungisa izinhlobo, okwenza zibe zilungele amaphrojekthi adinga ukuzivumelanisa nezimo kanye nokwenza ngezifiso. Ngaphezu kwalokho, amakhono okusebenzisa imishini kanye nokwenza ngokuzenzakalela amapayipi ethu ahlanganisiwe nge-spiral avumela ukuthi asetshenziswe kalula ezindaweni ezahlukahlukene zezimboni.
| Okujwayelekile | Ibanga lensimbi | Ukwakheka kwamakhemikhali | Izakhiwo zokudonsa | Ukuhlolwa Komthelela weCharpy kanye nokuhlolwa kokwehla kwesisindo | |||||||||||
| C | Mn | P | S | Ti | Okunye | CEV4)(%) | Amandla okukhiqiza e-Rt0.5 Mpa | Amandla okuqina e-Rm Mpa | A% L0=5.65 √ Ubude be-S0 | ||||||
| ubuningi | ubuningi | ubuningi | ubuningi | ubuningi | ubuningi | ubuningi | umzuzu | ubuningi | umzuzu | ubuningi | |||||
| I-API Spec 5L(PSL2) | B | 0.22 | 1.20 | 0.025 | 0.015 | 0.04 | Kuzo zonke izinhlobo zensimbi: Ukwengeza i-Nb noma i-V noma iyiphi inhlanganisela ongazikhethela kubo, kodwa I-Nb+V+Ti ≤ 0.15%, kanye ne-Nb+V ≤ 0.06% yebanga B | 0.25 | 0.43 | 241 | 448 | 414 | 758 | Kuzobalwa ngokusho kwe- ifomula elandelayo: e=1944·A0.2/U0.9 A: Izigaba ezihlukene indawo yesampula ku-mm2 U: Amandla amancane okudonsa acacisiwe ku I-Mpa | Kunezivivinyo ezidingekayo kanye nezivivinyo ongazikhethela zona. Ukuze uthole imininingwane, bheka indinganiso yokuqala. |
| X42 | 0.22 | 1.30 | 0.025 | 0.015 | 0.04 | 0.25 | 0.43 | 290 | 496 | 414 | 758 | ||||
| I-X46 | 0.22 | 1.40 | 0.025 | 0.015 | 0.04 | 0.25 | 0.43 | 317 | 524 | 434 | 758 | ||||
| X52 | 0.22 | 1.40 | 0.025 | 0.015 | 0.04 | 0.25 | 0.43 | 359 | 531 | 455 | 758 | ||||
| I-X56 | 0.22 | 1.40 | 0.025 | 0.015 | 0.04 | 0.25 | 0.43 | 386 | 544 | 490 | 758 | ||||
| I-X60 | 0.22 | 1.40 | 0.025 | 0.015 | 0.04 | 0.25 | 0.43 | 414 | 565 | 517 | 758 | ||||
| I-X65 | 0.22 | 1.45 | 0.025 | 0.015 | 0.06 | 0.25 | 0.43 | 448 | 600 | 531 | 758 | ||||
| X70 | 0.22 | 1.65 | 0.025 | 0.015 | 0.06 | 0.25 | 0.43 | 483 | 621 | 565 | 758 | ||||
| I-X80 | 0.22 | 1.65 | 0.025 | 0.015 | 0.06 | 0.25 | 0.43 | 552 | 690 | 621 | 827 | ||||
| 1)CE(Pcm)=C+ Si/30 +(Mn+Cu+Cr)/20 + Ni/60 + No/15 + V/10 + 58 | |||||||||||||||
| 2)CE(LLW)=C+ Mn/6 + (Cr+Mo+V)/5 + (Ni+Cu)/15 | |||||||||||||||
Ngobaimigqa kaphethiloli, ishubhu elihlanganisiwe elijikelezayo linikeza ikhambi eliqinile nelithembekile. Inqubo yalo yokukhiqiza eqhubekayo iqinisekisa ikhwalithi namandla ahambisanayo, okubalulekile ekuthuthweni kwegesi yemvelo. Ukuguquguquka kanye nokuzivumelanisa nezimo kweshubhu elihlanganisiwe elijikelezayo nakho kuyenza ifaneleke kakhuluipayipi lokushisela i-arcizinhlelo zokusebenza. Kungakhathaliseki ukuthi kuyiphrojekthi yezimboni, yezohwebo noma yokuhlala, imikhiqizo yethu inikeza ukusebenza nokuthembeka okudingayo.
Amashubhu ethu ahlanganisiwe nge-spiral akhiqizwa ngezindinganiso zekhwalithi ephezulu ukuze kuhlangatshezwane nezidingo zomkhakha. Sisebenzisa ubuchwepheshe besimanje kanye nobunjiniyela bokunemba ukukhiqiza imikhiqizo engaphezu kwalokho obekulindelwe. Ipayipi ngalinye lihlolwa ngokucophelela futhi lihlolwe ukuqinisekisa ukuthi lihlangabezana nezimfuneko ezidingekayo zokusetshenziswa kwamapayipi egesi.
Ngaphezu kwezinzuzo zobuchwepheshe, amashubhu ethu ahlanganisiwe aklanywe ngokucabanga ngezidingo zamakhasimende. Kusukela ekufakweni kuya ekulungisweni, amashubhu ethu ahlanganisiwe aklanywe ngendlela elula kakhulu.
Sizibophezele ekuhlinzekeni amakhasimende ethu ngemikhiqizo nezixazululo ezinhle kakhulu ukuze kuhlangatshezwane nezidingo zawo. Ukwethulwa kwepayipi lethu elihlanganisiwe eliyindilinga kubonisa ukuzinikela kwethu emisha kanye nobuhle embonini. Sikholelwa ukuthi imikhiqizo yethu izohlangabezana futhi idlule izidingo zezicelo zomugqa wegesi, futhi sibheke phambili ekuhlangabezaneni nezidingo zamakhasimende ethu ngemikhiqizo nokusekelwa kwekhwalithi ephezulu.







