Phaephe ea tšepe ea khabone ea Schedule 80 ke mofuta oa phaephe e khetholloang ka lebota la eona le teteaneng ha le bapisoa le mananeo a mang, joalo ka Lenane la 40. "Kemiso" ea phaephe e bolela botenya ba lebota la eona, bo amang tekanyo ea khatello ea eona le matla a sebopeho.
Litšobotsi tsa Bohlokoa tsa Kemiso ea 80 ea Pipe ea Tšepe ea Khabone
1. Botenya ba Lebota: Bo tenya ho feta Kemiso ea 40, bo fanang ka matla le ho tšoarella ho hoholo.
2. Tekanyetso ea Khatello: Tekanyetso e phahameng ea khatello ka lebaka la botenya bo eketsehileng ba lebota, e leng se etsang hore e lokele lits'ebetso tsa khatello e phahameng.
3. Thepa: E entsoe ka tšepe ea khabone, e fanang ka matla le ho tšoarella hantle, hammoho le ho hanyetsa ho tsofala le ho taboha.
4. Litšebeliso:
Liphaephe tsa Liindasteri: Li sebelisoa liindastering tse kang oli le khase, ts'ebetso ea lik'hemik'hale le tlhahiso ea motlakase.
Liphaephe: E loketse lithapo tsa phepelo ea metsi tse nang le khatello e phahameng.
Kaho: E sebelisoa lits'ebetsong tsa meaho moo ho hlokahalang matla a phahameng.
Litlhaloso tsa Kemiso ea 80 ea Pipe ea Tšepe ea Khabone
| Boholo bo tloaelehileng | DN | Bophara ba kantle | Bophara ba kantle | kemiso ea botenya ba 80 | |
| Botenya ba lebota | Botenya ba lebota | ||||
| [senthimithara] | [senthimithara] | [mm] | [senthimithara] | [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 |
Boholo: E fumaneha ka mefuta e fapaneng ea boholo ba liphaephe tse tloaelehileng (NPS), hangata ho tloha ho 1/8 inch ho isa ho 24 inches.
Maemo: E latela maemo a fapaneng a kang ASTM A53, A106, le API 5L, a hlalosang litlhoko tsa thepa, litekanyo le ts'ebetso.
Sebopeho sa Lik'hemik'hale sa Phaephe ea Tšepe ea Khabone ea Kemiso ea 80
Kemiso ea 80 e tla ba le botenya bo itseng bo reriloeng esale pele, ho sa tsotelehe sehlopha se itseng kapa motsoako oa tšepe e sebelisitsoeng.
| Sehlopha sa A | Sehlopha sa B | |
| C, % e phahameng | 0.25 | 0.3 |
| Mn, % e phahameng | 0.95 | 1.2 |
| P, % e phahameng | 0.05 | 0.05 |
| S, % e phahameng ka ho fetisisa | 0.045 | 0.045 |
| Matla a ho tsikinyeha, bonyane [MPa] | 330 | 415 |
| Matla a tlhahiso, bonyane [MPa] | 205 | 240 |
Kemiso ea 80 ea Pipe ea Tšepe ea Khabone
Melemo:
Matla a Phahameng: Mabota a teteaneng a fana ka botsitso bo matlafalitsoeng ba sebopeho.
Ho Tšoarella: Ho tiea ha tšepe ea khabone le ho hanyetsa ho tsofala ha eona ho etsa hore liphaephe tsena li tšoarelle nako e telele.
Ho feto-fetoha ha maemo: E loketse mefuta e mengata ea lits'ebetso le liindasteri.
Mathata:
Boima: Mabota a teteaneng a etsa hore liphaephe li be boima 'me ho ka ba thata ho li sebetsana le ho li kenya.
Litšenyehelo: Ka kakaretso li theko e boima ho feta liphaephe tse nang le mabota a masesaane ka lebaka la tšebeliso e eketsehileng ea thepa.
Nako ea poso: Mots'eanong-24-2024