1. Okujwayelekile: SANS 719
2. Ibanga: C
3. Uhlobo: Ukumelana Nogesi Okushiselwe (ERW)
4. Ububanzi Bosayizi:
- Ububanzi bangaphandle: 10mm kuya ku-610mm
- Ubukhulu Bodonga: 1.6mm kuya ku-12.7mm
5. Ubude: amamitha ayi-6, noma njengoba kudingeka
6. Iziphetho: Isiphetho esilula, isiphetho esigobile
7. Ukwelashwa Komphezulu:
- Omnyama (ozimibalabala)
- Kunamafutha
- I-Galvanised
- Kupendwe
8. Izicelo: Amanzi, indle, ukuthuthwa okuvamile koketshezi
9. Ukwakheka Kwamakhemikhali:
- Ikhabhoni (C): 0.28% ubuningi
- I-Manganese (Mn): 1.25% ubuningi
- I-Phosphorus (P): 0.040% ubuningi
- I-Sulfur (S): 0.020% ubuningi
- I-Silcon (Si): 0.04% ubuningi. Noma 0.135% kuya ku-0.25%
10. Izakhiwo Zemishini:
- Amandla Okudonsa: 414MPa min
- Amandla Okukhiqiza: 290 MPa min
- Ukwelulwa: 9266 kuhlukaniswe ngenani lezinombolo le-UTS yangempela
11. Inqubo Yokukhiqiza:
- Ipayipi lenziwa kusetshenziswa inqubo eyenziwe ngokushisa okubandayo kanye nenqubo yokufakelwa kwe-induction ephindaphindwayo (i-HFIW).
- Umcu wenziwa ube yisimo se-tubular bese uhlanganiswa ngobude kusetshenziswa ukushisela kokungeniswa okuvama kakhulu.
12. Ukuhlolwa Nokuhlolwa:
- Ukuhlaziywa kwamakhemikhali kwezinto zokusetshenziswa
- Ukuhlolwa kokudonsa okuguquguqukayo ukuqinisekisa ukuthi izakhiwo zemishini ziyahambisana nemininingwane
- Ukuhlolwa kokuthamba ukuqinisekisa ikhono lepayipi lokubekezelela ukuguquguquka
- Ukuhlolwa kokugoba kwezimpande (ukushintshwa kokuhlanganiswa kukagesi) ukuqinisekisa ukuguquguquka nobuqotho bepayipi
- Ukuhlolwa kwe-hydrostatic ukuqinisekisa ukuqina kwepayipi elivuzayo
13. Ukuhlolwa Okungonakalisi (NDT):
- Ukuhlolwa kwe-Ultrasonic (UT)
- Ukuhlolwa kwamanje kwe-Eddy (ET)
14. Isitifiketi:
- Isitifiketi sokuhlolwa kwe-Mill (MTC) ngokusho kwe-EN 10204/3.1
- Ukuhlolwa komuntu wesithathu (ongakukhetha)
15. Ukupakisha:
- Ngamaqoqo
- Izigqoko zepulasitiki kuzo zombili izinhlangothi
- Iphepha elingangenwa manzi noma isembozo seshidi lensimbi
- Ukumaka: njengoba kudingeka (kufaka phakathi uMenzi, ibanga, usayizi, okujwayelekile, inombolo yokushisa, inombolo yeLothi njll.)
16. Isimo Sokulethwa:
- Njengoba igoqiwe
- Okujwayelekile
- Okugoqiwe okuvamile
17. Ukumaka:
- Ipayipi ngalinye kufanele libhalwe ngendlela efundekayo ngolwazi olulandelayo:
- Igama noma uphawu lokuhweba lomkhiqizi
- Ibanga C le-SANS 719
- Usayizi (ububanzi bangaphandle kanye nobukhulu bodonga)
- Inombolo yokushisa noma inombolo yeqoqo
- Usuku lokwenziwa
- Imininingwane yesitifiketi sokuhlola nokuhlola
18. Izidingo Ezikhethekile:
- Amapayipi angahlinzekwa ngezingubo ezikhethekile noma ama-linings ukuze kusetshenziswe okuthile (isb., i-epoxy coating yokumelana nokugqwala).
19. Ukuhlolwa Okwengeziwe (Uma Kudingeka):
- Ukuhlolwa komthelela we-Charpy V-notch
- Ukuhlolwa kobulukhuni
- Ukuhlolwa kwesakhiwo esikhulu
- Ukuhlolwa kwesakhiwo esincane
20. Ukubekezelelana:
-Ububanzi Bangaphandle
-Ubukhulu bodonga
Ubukhulu bodonga lwepayipi, kuncike ekubekezelelekeni okungu-+10% noma -8%, kufanele kube ngenye yamanani afanele anikezwe kumakholomu 3 kuya ku-6 ethebula elingezansi, ngaphandle kokuthi kuvunyelwene ngenye indlela phakathi komenzi nomthengi.
-Ukuqondakala
Noma yikuphi ukuphambuka kwepayipi kusuka emugqeni oqondile, akumele kudlule u-0.2% wobude bepayipi.
Noma yikuphi ukungaguquguquki (ngaphandle kwalokho okubangelwa ukugoba), kwamapayipi anobubanzi bangaphandle obungaphezu kwama-500 mm akumele kudlule u-1% wobubanzi bangaphandle (okungukuthi, ubukhulu be-ovality 2%) noma u-6 mm, noma yikuphi okungaphansi.
Sicela uqaphele ukuthi leli shidi ledatha elinemininingwane linikeza ulwazi oluphelele mayelanaAmapayipi e-SANS 719 Grade CIzidingo ezithile zingase zihluke ngokusekelwe kuphrojekthi kanye nencazelo eqondile yepayipi edingekayo.
Isikhathi sokuthunyelwe: Ephreli-28-2024