Matla a tšepe a fetile $100 ha mathata a phepelo a kopana le tlhoko e matla
Iron-ore e ile ea feta $100/t ha tlokotsi ea phepelo naheng ea Brazil e tsamaellana le tlhokeho e tsitsitseng, e matla ho moetsi oa tšepe oa China.
Litheko tsa Benchmark li nyolohetse ho $101.05 ka Labohlano ha Brazil, morekisi oa bobeli ho tse kholo ka ho fetisisa lefatšeng, e bona ts'oaetso ea ts'oaetso ea coronavirus, e tsosa matšoenyeho a hore seoa sena se ka thibela phepelo ea lehae. Ka Mmesa, moepo Vale o ile a theola tataiso ea hae ea selemo le selemo mabapi le boemo ba leholimo bo bobe le phello ea vaerase ts'ebetsong. Ho sa le joalo, mekotla ea boema-kepe ea ore ea tšepe naheng ea China e ntse e tsoela pele ho theoha.
Boemo ba indasteri bo atlehile ka 2020 joalo ka ha seoa sa coronavirus se ntse se thefula mesebetsi ea indasteri moruong o mongata, leha Bloomberg Intelligence e bile har'a bashebelli ba lemosang hore 'maraka o ka fetohela ho phaello halofong ea bobeli. Hodima Vale, ditheko tse hodimo di tla tshehetsa dipoelo ho BHP Group, Rio Tinto Group le Fortescue Metals Group.
Ts'ebetso ea pele ea ts'ebetso ea liindasteri Chaena e entse hore ho hlaphoheloe mesebetsing e ka tlaase ho metsi 'me lihlahisoa tsa tšepe li tsoela pele ho eketsa tlhahiso, bahlahlobisisi ba China International Capital Corp. ba kenyeletsang Ma Kai ba ngotse lengolong.
"Ore ea tšepe e tla boloka botsitso bo tiileng selemong sena," ha phepelo e ntse e hlaphoheloa butle-butle ho tloha karolong ea boraro.
Litheko tsa benchmark li holimo haholo ho tloha ka Phato. Bokamoso ba Singapore bo ne bo le ho $97, e lebisang molemong oa bona o moholo oa khoeli le khoeli. Ho Dalian Commodity Exchange, bokamoso bo phahamisitse 23% ka Mots'eanong.
Credit Suisse Group haufinyane tjena e hakantse hore 'maraka o se o le "ho tiea haholo," boemo boo mohlomong bo tla tsoela pele ho fihlela Phupu. Bloomberg Intelligence e lebelletse tlatsetso ea lithane tse limilione tse 34 halofong ea bobeli mabapi le phepelo e phahameng le tlhokeho e tsitsitseng, e tsoang ho khaello ea lithane tse limilione tse 25 halofong ea pele. Seo se fana ka leseli mabapi le hore na phaello ea litheko e ea tšoarella.
"Ho ntse ho na le lipelaelo" mabapi le matla a kopano nakong ea likhoeli tse tharo tse tlang, ho boletse Hui Heng Tan, mohlahlobi oa Marex Spectron Group. Ho lebelletsoe hore thepa e fumanehang Australia le Brazil e tla eketseha ka lebelo, leha litšitiso naheng ea Amerika Boroa e tla ba lebaka la ho shebella halofo ea bobeli, o boletse joalo. Keketseho eo ea lipalo e kanna ea tsamaellana le ha China e tsoa nakong ea eona ea kaho e phahameng ka mekotla e phahameng ea tšepe, o boletse joalo.
Khetho ea Lintho tsa Ball Mill Liner
Lintho tse fapaneng tse sithabetseng, maemo a fapaneng a ts'ebetso a hloka li-liner tse fapaneng hore li lumellane. Hape, phaposi e mahoashe ea ho sila le phaposi ea ho sila e mahoashe e hloka li-liner tse fapaneng.
H&G Machinery e fana ka lisebelisoa tse latelang ho lahlela liner ea hau:
Tšepe ea Manganese
Liteng tsa manganese tsa leloala le phahameng la tšepe la manganese ka kakaretso ke 11-14%, 'me khabone hangata ke 0.90-1.50%, boholo ba eona e kaholimo ho 1.0%. Ka meroalo e nang le tšusumetso e tlase, boima bo ka fihla HB300-400. Ka meroalo e matla, boima bo ka fihla HB500-800. Ho itšetlehile ka mojaro oa tšusumetso, botebo ba lera le thata bo ka fihla ho 10-20mm. Sekhahla se thata se nang le boima bo phahameng se ka hanela tšusumetso le ho fokotsa ho roala ha abrasive. Litšepe tse phahameng tsa manganese li na le ts'ebetso e ntle ea anti-wear tlasa maemo a matla a ho roala, kahoo hangata e sebelisoa likarolong tse sa sebetseng tsa meepo, lisebelisoa tsa kaho, matla a mocheso le lisebelisoa tse ling tsa mochini. Tlas'a maemo a maemo a tlase a ts'oaetso, tšepe e phahameng ea manganese e ke ke ea sebelisa litšobotsi tsa thepa hobane phello e thata ea mosebetsi ha e totobetse.
Sebopeho sa Lik'hemik'hale
| Lebitso | Sebopeho sa Lik'hemik'hale (%) | |||||||
| C | Si | Mong | Kr | Mo | Cu | P | S | |
| Mn14 Mill Liner | 0.9-1.5 | 0.3-1.0 | 11-14 | 0-2.5 | 0-0.5 | ≤0.05 | ≤0.06 | ≤0.06 |
| Mn18 Mill Liner | 1.0-1.5 | 0.3-1.0 | 16-19 | 0-2.5 | 0-0.5 | ≤0.05 | ≤0.06 | ≤0.06 |
Thepa ea mochini le sebopeho sa metallographic
| Lebitso | Ho thatafala ha Bokaho (HB) | Boleng ba tšusumetso Ak (J/cm2) | Microstructure |
| Mn14 Mill Liner | ≤240 | ≥100 | A+C |
| Mn18 Mill Liner | ≤260 | ≥150 | A+C |
| C -Carbide | Carbide A-E bolokiloe austenite | Austenite | |||
Tlhaloso ea lihlahisoa
| Boholo | Hole Dia. (mm) | Bolelele ba Liner (mm) | ||
| ≤40 | ≥40 | ≤250 | ≥250 | |
| Mamello | +20 | +30 | +20 | +3 |
Chrome Alloy Steel
Chromium alloy cast iron e arotsoe ka tšepe e phahameng ea chromium alloy cast iron (chromium content 8-26% carbon content 2.0-3.6%), medium chromium alloy cast iron (chromium content 4-6%, carbon content 2.0-3.2%), low chromium Mefuta e meraro ea alloy cast iron (litekanyetso tsa chromium 1-3%, litaba tsa carbon 2.1-3.6%). Tšobotsi ea eona e tsotehang ke hore microhardness ea M7C3 eutectic carbide ke HV1300-1800, e ajoang ka mokhoa oa marang-rang a robehileng le ho aroloa ho martensite (mohaho o thata ka ho fetisisa ka matrix a tšepe) matrix, ho fokotsa phello ea cleavage holim'a matrix. Ka hona, mohala o phahameng oa chromium alloy o na le matla a phahameng, ho tiea ha leloala la bolo, le khanyetso e phahameng ea ho apara, 'me ts'ebetso ea eona e emela boemo bo phahameng ka ho fetisisa ba lisebelisoa tsa morao-rao tsa tšepe.
Sebopeho sa Lik'hemik'hale
| Lebitso | Sebopeho sa Lik'hemik'hale (%) | |||||||
| C | Si | Mong | Kr | Mo | Cu | P | S | |
| High Chrome Alloy Liner | 2.0-3.6 | 0-1.0 | 0-2.0 | 8-26 | ≤3.0 | ≤1.2 | ≤0.06 | ≤0.06 |
| Bohareng ba Alloy Line ea Chrome | 2.0-3.3 | 0-1.2 | 0-2.0 | 4-8 | ≤3.0 | ≤1.2 | ≤0.06 | ≤0.06 |
| Low Chrome Alloy Liner | 2.1-3.6 | 0-1.5 | 0-2.0 | 1-3 | 0-1.0 | ≤1.2 | ≤0.06 | ≤0.06 |
Thepa ea mochini le sebopeho sa metallographic
| Lebitso | Bokaholimo (HRC) Ak (J/cm2) | Microstructure | ||||
| High Chrome Alloy Liner | ≥58 | ≥3.5 | M+C+A | |||
| Bohareng ba Alloy Line ea Chrome | ≥48 | ≥10 | M+C | |||
| Low Chrome Alloy Liner | ≥45 | ≥15 | M+C+P | |||
| M-Martensite | C - Carbide | A-Austenite | P-Pearlite | |||
Tlhaloso ea lihlahisoa
| Boholo | Hole Dia.(mm) Bolelele ba Liner (mm) | |||
| ≤40 | ≥40 | ≤250 | ≥250 | |
| Mamello | +20 | +30 | +20 | +3 |
Cr-Mo Alloy Steel
H&G Machinery e sebelisa tšepe ea alloy ea Cr-Mo ho etsa liner. Thepa ena e ipapisitse le maemo a Australia, (AS2074 Standard L2B, le AS2074 Standard L2C) e fana ka tšusumetso e phahameng le ho hanyetsa ts'ebetso lits'ebetsong tsohle tsa semi-autogenous milling.
Sebopeho sa Lik'hemik'hale
| Khoutu | Lintho tsa Lik'hemik'hale (%) | |||||||
| C | Si | Mong | Kr | Mo | Cu | P | S | |
| L2B | 0.6-0.9 | 0.4-0.7 | 0.6-1.0 | 1.8-2.1 | 0.2-0.4 | 0.3-0.5 | ≤0.04 | ≤0.06 |
| L2C | 0.3-0.45 | 0.4-0.7 | 1.3-1.6 | 2.5-3.2 | 0.6-0.8 | 0.3-0.5 | ≤0.04 | ≤0.06 |
Thepa ea 'Mele & Microstructure
| Khoutu | Ho thatafala (HB) | Ak (J/cm2) | Microstructure |
| L2B | 325-375 | ≥50 | P |
| L2C | 350-400 | ≥75 | M |
| M-Martensite, C-Carbide, A-Austenite, P-Pearlite | |||
Ni-hard Steel
Ni-Hard ke tšepe e entsoeng ka tšepe e tšoeu, e kopantsoeng ka nickel le chromium e loketseng tšusumetso e tlaase, e thellang bakeng sa lisebelisoa tse metsi le tse omeletseng. Ni-Hard ke thepa e sa senyeheng ka ho fetelletseng, e entsoeng ka libopeho le libopeho tse loketseng ho sebelisoa libakeng tse mahlahahlaha le tse apereng le lits'ebetso.
Sebopeho sa Lik'hemik'hale
| Lebitso | C | Si | Mong | Ni | Kr | S | P | Mo | Ho thatafala |
| Ni-Hard AS2027 Gr Ni Cr 1-550 | 3.2-3.6 | 0.3-0.8 | 0.2-0.8 | 3.0-5.0 | 1.5-3.0 | ≤0.12 | ≤0.15 | ≤0.5 | 550-600HBN |
| Ni-Hard AS2027 Gr Ni Cr 2-550 | 2.8-3.2 | 0.3-0.8 | 0.2-0.8 | 3.0-5.0 | 1.5-3.0 | ≤0.12 | ≤0.15 | ≤0.5 | 500-550HBN |
| Ni-Hard AS2027 Gr Ni Cr 2-550 | 3.2-3.6 | 1.5-2.2 | 0.2-0.8 | 4.0-5.5 | 8.0-10.0 | ≤0.12 | ≤0.15 | ≤0.5 | 630-670HBN |
Tshipi e Tshweu
Sebopeho sa Lik'hemik'hale
| Lebitso | Sebopeho sa Lik'hemik'hale(%) | |||||||
| C | Si | Mong | Kr | Mo | Cu | P | S | |
| Mohala o Mosoeu oa Tšepe | 2.0-3.3 | 0-0.8 | ≤2.0 | 12-26 | ≤3.0 | ≤1.2 | ≤0.06 | ≤0.06 |
Thepa ea 'Mele & Microstructure
| Lebitso | HRC | Ak(J/cm2) | Microstructure |
| Mohala o Mosoeu oa Tšepe | ≥58 | ≥3.5 | M+C+A |
| M-Martensite C- Carbide A-Austenite | |||
Haeba u na le lipotso tse khethehileng, ka kopo ikopanye le moenjiniere oa rona ho u sebeletsa!
Nick Sun [email protected]
Nako ea poso: Jun-19-2020