1. Tekanyetso: SANS 719
2. Kereiti: C
3. Mofuta: Motlakase Resistance Welded (ERW)
4. Boholo bo fapaneng:
- Kantle bophara: 10mm ho 610mm
- Botenya ba Lerako: 1.6mm ho 12.7mm
5. Bolelele: limithara tse 6, kapa ha ho hlokahala
6. Lipheletso: Qetello e hlakileng, pheletso e beveled
7. Kalafo ea Bokaholimo:
- E motšo (ea ithata)
- E tlotsitsoeng ka oli
- E kentsoeng ka galvanized
- E pentiloe
8. Lisebelisoa: Metsi, likhoerekhoere, phetiso ea metsi ka kakaretso
9. Sebopeho sa Lik'hemik'hale:
- Khabone (C): 0.28% max
- Manganese (Mn): 1.25% max
- Phosphorus (P): 0.040% max
- Sebabole (S): 0.020% boholo
- Silcon (Si): 0.04% max.Kapa 0.135% ho isa ho 0.25%
10. Thepa ea Mechini:
- Matla a Tensile: 414MPa min
- Matla a ho Fana: 290 MPa min
- Elongation: 9266 e arotsoe ka boleng ba linomoro tsa UTS ea 'nete
11. Mokhoa oa Tlhahiso:
- Pipe e etsoa ka mokhoa o batang o entsoeng ka mokhoa o batang le o phahameng oa maqhubu a phahameng a ho kenya li-welded (HFIW).
- The strip e entsoe ka sebopeho sa tubular mme e cheselitsoe ka nako e telele ho sebelisoa welding e phahameng ea maqhubu.
12. Tlhahlobo le Teko:
- Tlhahlobo ea lik'hemik'hale ea thepa e tala
- Teko ea transverse tensile ho netefatsa hore thepa ea mochini e latela litlhaloso
- Teko ea ho batalla ho netefatsa hore phala e khona ho mamella deformation
- Teko ea bend ea metso (li-welds tsa fusion ea motlakase) ho netefatsa ho tenyetseha le botsitso ba phala
- Teko ea Hydrostatic ho netefatsa hore phaephe e dutla e tiile
13. Teko e sa Senyeheng (NDT):
- Teko ea Ultrasonic (UT)
- Teko ea hajoale ea Eddy (ET)
14. Setifikeiti:
- Setifikeiti sa tlhahlobo ea Mill (MTC) ho latela EN 10204/3.1
- Tlhahlobo ea motho oa boraro (boikhethelo)
15. Sephutheloana:
- Ka dingata
- Likatiba tsa polasetiki lipheletsong ka bobeli
- Sekoahelo sa pampiri se sa keneleng metsi kapa sekoahelo sa tšepe
- Ho tšoaea: joalo ka ha ho hlokahala (ho kenyeletsoa Moetsi, kereiti, boholo, maemo, nomoro ea mocheso, Nomoro ea Loti jj.)
16. Boemo ba thomello:
- Joalo ka ha o phuthiloe
- E tlwaelehile
- E hlophisitsoe ka mokhoa o tloaelehileng
17. Ho tšoaea:
- Peipi e 'ngoe le e' ngoe e lokela ho tšoauoa ka lintlha tse latelang:
- Lebitso la moetsi kapa letšoao la khoebo
- SANS 719 Sehlopha sa C
- Boholo (bophara ba ka ntle le botenya ba lebota)
- Nomoro ea mocheso kapa nomoro ea batch
- Letsatsi la tlhahiso
- Lintlha tsa setifikeiti sa tlhahlobo le tlhahlobo
18. Litlhoko tse khethehileng:
- Liphaephe li ka fanoa ka litlolo tse khethehileng kapa li-linings bakeng sa lisebelisoa tse khethehileng (mohlala, epoxy coating bakeng sa ho hanyetsa kutu).
19. Liteko tse Eketsehileng (Haeba li Hlokahala):
- Teko ea phello ea Charpy V-notch
- Teko ea boima
- Tlhahlobo ea macrostructure
- Tlhahlobo ea Microstructure
20. Mamello:
- Kantle Diameter
-Botenya ba lebota
Botenya ba lebota la phaephe, ho ipapisitsoe le mamello ea +10 % kapa -8 %, e be e 'ngoe ea litekanyetso tse amehang tse fanoeng kholomong ea 3 ho isa ho ea 6 ea tafole e ka tlase, ntle le haeba ho lumellanoe ka tsela e 'ngoe pakeng tsa moetsi le moreki.
-Ho otloloha
Phapang leha e le efe ea phala ho tloha moleng o otlolohileng, e ke ke ea feta 0,2 % ea bolelele ba phala.
Bophahamo bofe kapa bofe (ntle le bo bakiloeng ke ho sag) ba liphaephe tsa bophara bo ka ntle bo fetang 500 mm ha bo na ho feta 1% ea bophara bo kantle (e leng boholo ba ovality 2%) kapa 6 mm, ho sa tsotellehe hore na ke bofe bo fokolang.
Ka kopo hlokomela hore leqephe lena la data le qaqileng le fana ka lintlha tse felletseng mabapi leSANS 719 Grade C lipeipi.Litlhoko tse khethehileng li ka 'na tsa fapana ho latela morero le tlhaloso e nepahetseng ea pipe e hlokahalang.
Nako ea poso: Apr-28-2024