1. Maemo a Tloaelehileng: SANS 719
2. Sehlopha: C
3. Mofuta: Motlakase o Hanyeditsweng ka ho Khanyetso (ERW)
4. Mefuta ea Boholo:
- Bophara ba Kantle: 10mm ho isa ho 610mm
- Botenya ba Lebota: 1.6mm ho isa ho 12.7mm
5. Bolelele: limithara tse 6, kapa ho ya ka moo ho hlokahalang
6. Lipheletso: Qetello e se nang letho, pheletso e bentsoeng
7. Kalafo ea Bokaholimo:
- E ntšo (e ipabolang)
- E tšetsoe ka oli
- E manehiloe ka lebone
- E pentiloe
8. Ditshebediso: Metsi, dikgwerekgwere, phetiso ya metsi ka kakaretso
9. Sebopeho sa Lik'hemik'hale:
- Khabone (C): 0.28% max
- Manganese (Mn): 1.25% max
- Fosforasi (P): 0.040% max
- Sebabole (S): 0.020% max
- Silika (Si): 0.04% max. Kapa 0.135% ho isa ho 0.25%
10. Thepa ea Mekaniki:
- Matla a ho Tenyetseha: 414MPa mets
- Matla a ho hlahisa: 290 MPa min
- Tekanyo: 9266 e arotsoe ka boleng ba lipalo ba UTS ea 'nete
11. Ts'ebetso ea Tlhahiso:
- Phaephe e etsoa ka mokhoa o batang le o nang le maqhubu a phahameng a ho kenya (HFIW).
- Sekotwana se bopilwe ka sebopeho sa tšubu mme se kopantswe ka bolelele ho sebediswa ho kopanngwa ha induction ka maqhubu a phahameng.
12. Tlhahlobo le Teko:
- Tlhahlobo ea lik'hemik'hale ea thepa e tala
- Teko ea ho thaepa e potolohang ho netefatsa hore thepa ea mechini e latela litlhaloso
- Teko ea ho batalla ho netefatsa bokhoni ba phaephe ba ho mamella ho fetoha ha eona
- Teko ea ho kobeha ha metso (li-weld tsa motlakase tsa ho kopanya) ho netefatsa ho tenyetseha le botšepehi ba phaephe.
- Teko ea hydrostatic ho netefatsa hore phaephe e dutla ebile e tiile.
13. Teko e sa Senyeheng (NDT):
- Teko ea Ultrasonic (UT)
- Teko ea hona joale ea Eddy (ET)
14. Setifikeiti:
- Setifikeiti sa teko ea fektheri (MTC) ho latela EN 10204/3.1
- Tlhahlobo ea motho oa boraro (ha ho hlokahale)
15. Sephutheloana:
- Ka liphutheloana
- Likatiba tsa polasetiki mahlakoreng ka bobeli
- Sekoahelo sa pampiri kapa lakane ea tšepe se sa keneleng metsi
- Ho tšoaea: kamoo ho hlokahalang (ho kenyeletsoa le Moetsi, sehlopha, boholo, maemo a tloaelehileng, nomoro ea mocheso, Nomoro ea Lotho jj.)
16. Boemo ba Thomello:
- Joalokaha e phutholohile
- E tloaelehileng
- E phutholohile ka mokhoa o tloaelehileng
17. Matshwao:
- Phaephe e 'ngoe le e 'ngoe e lokela ho tšoauoa ka mokhoa o balehang ka tlhaiso-leseling e latelang:
- Lebitso kapa letshwao la kgwebo la moetsi
- SANS 719 Kereiti C
- Boholo (bophara ba kantle le botenya ba lebota)
- Nomoro ea mocheso kapa nomoro ea sehlopha
- Letsatsi la tlhahiso
- Lintlha tsa tlhahlobo le setifikeiti sa tlhahlobo
18. Litlhoko tse Ikhethang:
- Liphaephe li ka fanoa ka lipeipi tse khethehileng kapa masela a ho koahela bakeng sa lits'ebetso tse itseng (mohlala, peipi ea epoxy bakeng sa ho hanyetsa mafome).
19. Liteko tse ling (Haeba ho hlokahala):
- Teko ea tšusumetso ea Charpy V-notch
- Teko ea ho thatafala
- Tlhahlobo ea sebopeho sa macro
- Tlhahlobo ea sebopeho sa microstructure
20. Mamello:
-Bophara ba Kantle
-Botenya ba lebota
Botenya ba lebota la phaephe, ho latela mamello ea +10% kapa -8%, e tla ba e 'ngoe ea litekanyetso tse amehang tse fanoeng likholomong tsa 3 ho isa ho tsa 6 tafoleng e ka tlase, ntle le haeba ho lumellanoe ka tsela e 'ngoe pakeng tsa moetsi le moreki.
-Ho otloloha
Ho kheloha leha e le hofe ha phaephe ho tloha moleng o otlolohileng, ha hoa lokela ho feta 0.2% ea bolelele ba phaephe.
Ho se kgutlele hofe kapa hofe (ntle le ho bakwang ke ho sag), ha diphaephe tse bophara ba kantle bo fetang 500 mm ha di a lokela ho feta 1% ya bophara ba kantle (ke hore, ovality e phahameng ka ho fetisisa 2%) kapa 6 mm, ho sa tsotelehe hore na ke efe e ka tlase ho moo.
Hlokomela hore leqephe lena la data le qaqileng le fana ka tlhaiso-leseling e felletseng mabapi leLiphaephe tsa SANS 719 tsa Kereiti ea CLitlhoko tse itseng li ka fapana ho latela projeke le tlhaloso e nepahetseng ea phaephe e hlokahalang.
Nako ea poso: Mmesa-28-2024