Iron ore ike gafere $100 ka ahụhụ ọkọnọ na-egbo mkpa siri ike
Ígwè ore gafere $100/t ka ahụhụ ndị na-eweta na Brazil dakọtara n'ọchịchọ na-adịgide adịgide na nke siri ike na China na-emepụta ígwè kacha elu.
Ọnụ ahịa ntụpọ Benchmark rịgoro $ 101.05 na Fraịde ka Brazil, onye na-ebupụ mbupụ nke abụọ n'ụwa, hụrụ mmụba nke ọrịa coronavirus, na-akpali nchegbu na ọrịa a nwere ike igbochi mbubata mpaghara. N'April, onye na-egwuputa ihe Vale gbupụrụ ntụzịaka mbupu ya kwa afọ maka ihu igwe ọjọọ yana mmetụta nje na-enwe na arụ ọrụ. Ka ọ dị ugbu a, nnukwu ọdụ ụgbọ mmiri nke ígwè-ore na China anọgidewo na-ebelata.
Ihe nrụpụta ụlọ ọrụ na-aga nke ọma na 2020 ọbụlagodi ọrịa ọrịa coronavirus mebiri ọrụ ụlọ ọrụ n'ọtụtụ akụ na ụba, ọ bụ ezie na Bloomberg ọgụgụ isi so na ndị na-ekiri na-adọ aka na ntị na ahịa nwere ike tụgharịa gaa na nkera nke abụọ. Na mgbakwunye na Vale, ọnụ ahịa dị elu ga-akwado nloghachi na BHP Group, Rio Tinto Group na Fortescue Metals Group.
Mweghachi nke mmalite nke ụlọ ọrụ mmepụta ihe na China emeela ka mgbake na-arụ ọrụ ala na igwe igwe na-aga n'ihu na-abawanye mmepụta, ndị nyocha China International Capital Corp. gụnyere Ma Kai dere na ndetu.
Ha kwuru, "ígwè ore ga-ejizi nguzozi nke ọma n'afọ a," na-eji nwayọọ nwayọọ na-agbake site na nkeji nke atọ, ha kwuru.
Ọnụ ahịa ntụpọ benchmark nọ na nke kachasị elu kemgbe Ọgọst. Ọdịnihu na Singapore dị $97, na-aga maka uru kacha ukwuu ha nwere kwa ọnwa. Na Dalian Commodity Exchange, ọdịnihu agbagoro 23% na Mee.
Credit Suisse Group mere atụmatụ n'oge na-adịbeghị anya na ahịa ahụ nọ ugbu a na "mkpachi kachasị elu," ọnọdụ nwere ike ịdịgide ruo July. Ọgụgụ isi nke Bloomberg na-atụ anya mmụkọ 34-million-ton na ọkara nke abụọ na ọkọnọ dị elu yana ihe na-agwụ ike, na-atụgharị site na mperi nde 25 nde na ọkara mbụ. Nke ahụ na-eme ka ìhè pụta ìhè ma uru ọnụahịa ọ na-adigide.
Hui Heng Tan, onye nyocha na Marex Spectron Group kwuru, "A ka nwere obi abụọ." A na-atụ anya na mbubata na Australia na Brazil ga-agbakọta ọsọ ọsọ, n'agbanyeghị na ọgbaghara na mba South America ga-abụ ihe a ga-elele na ọkara nke abụọ, o kwuru. Mmụba nke mpịakọta ahụ nwere ike ịdaba na mgbe China ga-eji nkwakọba nchara dị elu pụọ n'oge ihe owuwu ya.
Nhọrọ ihe eji eme Ball Mill Liner
Ihe dị iche iche agbajiri agbaji, ọnọdụ ọrụ dị iche iche chọrọ ihe mkpuchi ihe dị iche iche dabara adaba. Ọzọkwa, ebe a na-egweri ahịhịa na ebe a na-egwe nri dị mma chọrọ liners dị iche iche.
H&G Machinery na-enye ihe ndị a iji tụba igwe igwe igwe bọọlụ gị:
Manganese ígwè
Ọdịnaya manganese nke nnukwu manganese ígwè igwe igwe igwe ihe igwe ihe na-eme ka ọ bụrụ 11-14%, ọdịnaya carbon na-abụkarị 0.90-1.50%, ọtụtụ n'ime ha karịrị 1.0%. Na ibu mmetụta dị ala, ike ike nwere ike iru HB300-400. Na oke mmetụta dị elu, ike ike nwere ike iru HB500-800. Dabere na ibu mmetụta, omimi nke oyi akwa siri ike nwere ike iru 10-20mm. Ngwunye siri ike nke nwere ike dị elu nwere ike iguzogide mmetụta ma belata ihe mgbochi. Ngwongwo manganese dị elu nwere arụmọrụ mgbochi na-eyi nke ọma n'okpuru ọnọdụ nke mmetụta siri ike na-eyi abrasive, ya mere a na-ejikarị ya na akụkụ ndị na-eguzogide oyi nke Ngwuputa, ihe owuwu, ike ọkụ, na ngwá ọrụ ndị ọzọ. N'okpuru ọnọdụ nke ọnọdụ mmetụta dị ala, ígwè manganese dị elu enweghị ike ịmepụta àgwà nke ihe ahụ n'ihi na ọrụ siri ike na-arụ ọrụ abụghị ihe doro anya.
Ngwakọta kemịkalụ
| Aha | Ngwakọta kemịkalụ (%) | |||||||
| C | Si | Mn | Cr | Mo | Ku | 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 |
Mechanical Njirimara na metallographic Ọdịdị
| Aha | Ịdị ike n'elu ala (HB) | Ọnụ ahịa mmetụta Ak (J/cm2) | Microstructure |
| Mn14 Mill Liner | ≤240 | ≥100 | A+C |
| Mn18 Mill Liner | ≤260 | ≥150 | A+C |
| C -Carbide | Carbide A-ejigide austenite | Austenite | |||
Nkọwapụta ngwaahịa
| Nha | Hole Dia (mm) | Ogologo ogologo (mm) | ||
| ≤40 | ≥40 | ≤250 | ≥250 | |
| Ndidi | +20 | +30 | +20 | + |
Chrome Alloy Steel
Chromium alloy nkedo ígwè na-ekewa n'ime nnukwu chromium alloy cast iron (chromium ọdịnaya 8-26% carbon ọdịnaya 2.0-3.6%), ọkara chromium alloy cast iron (chromium ọdịnaya 4-6%, carbon ọdịnaya 2.0-3.2%), obere chromium. Ụdị ígwè nkedo alloy atọ (ọdịnaya chromium 1-3%, ọdịnaya carbon 2.1-3.6%). Akụkụ ya dị ịrịba ama bụ na microhardness nke M7C3 eutectic carbide bụ HV1300-1800, nke a na-ekesa n'ụdị netwọk gbajiri agbaji ma dịpụrụ adịpụ na martensite (ihe owuwu kachasị sie ike na matrix metal) matriks, na-ebelata mmetụta nkwụsị na matriks. Ya mere, akwa akwa chromium alloy liner nwere ike dị elu, ihe igwe igwe na-esi ike, na nkwụsi ike dị elu, na arụmọrụ ya na-anọchite anya ọkwa kachasị elu nke ihe ndị na-eguzogide ígwè ugbu a.
Ngwakọta kemịkalụ
| Aha | Ngwakọta kemịkalụ (%) | |||||||
| C | Si | Mn | Cr | Mo | Ku | 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 |
| Middle Chrome Alloy Liner | 2.0-3.3 | 0-1.2 | 0-2.0 | 4-8 | ≤3.0 | ≤1.2 | ≤0.06 | ≤0.06 |
| Obere chrome Alloy Liner | 2.1-3.6 | 0-1.5 | 0-2.0 | 1-3 | 0-1.0 | ≤1.2 | ≤0.06 | ≤0.06 |
Mechanical Njirimara na metallographic Ọdịdị
| Aha | Elu (HRC) Ak (J/cm2) | Microstructure | ||||
| High Chrome Alloy Liner | ≥58 | ≥3.5 | M+C+A | |||
| Middle Chrome Alloy Liner | ≥48 | ≥10 | M+C | |||
| Obere chrome Alloy Liner | ≥45 | ≥15 | M+C+P | |||
| M-Martensite | C - Carbide | A-Austenite | P-Pearlite | |||
Nkọwapụta ngwaahịa
| Nha | Hole Dia.(mm) Ogologo ogologo (mm) | |||
| ≤40 | ≥40 | ≤250 | ≥250 | |
| Ndidi | +20 | +30 | +20 | + |
Cr-Mo Alloy Steel
H&G Machinery na-eji Cr-Mo alloy steel tụọ bọọlụ igwe ihe. Ihe a dabere na ọkọlọtọ Australia, (AS2074 Standard L2B, na AS2074 Standard L2C) ọ na-enye mmetụta dị elu ma na-eyi nguzogide na ngwa igwe igwe ihe niile.
Ngwakọta kemịkalụ
| Koodu | Ngwakọta kemịkalụ (%) | |||||||
| C | Si | Mn | Cr | Mo | Ku | 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 |
Ngwongwo anụ ahụ & Microstructure
| Koodu | Isi ike (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 bụ ígwè nkedo na-acha ọcha, nke nwere nickel na chromium dabara adaba maka mmetụta dị ala, abrasion na-amị amị maka ma mmiri mmiri na ngwa akọrọ. Ni-Hard bụ ihe na-egbochi ike eyi nke ukwuu, nke a na-atụba n'ụdị na ụdị nke dị mma maka ojiji na gburugburu ebe obibi na ngwa ngwa.
Ngwakọta kemịkalụ
| Aha | C | Si | Mn | Ni | Cr | S | P | Mo | Isi ike |
| 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 |
Igwe Ọcha ọcha
Ngwakọta kemịkalụ
| Aha | Ngwakọta kemịkalụ(%) | |||||||
| C | Si | Mn | Cr | Mo | Ku | P | S | |
| White Iron Steel Liner | 2.0-3.3 | 0-0.8 | ≤2.0 | 12-26 | ≤3.0 | ≤1.2 | ≤0.06 | ≤0.06 |
Ngwongwo anụ ahụ & Microstructure
| Aha | HRC | Ak (J/cm2) | Microstructure |
| White Iron Steel Liner | ≥58 | ≥3.5 | M+C+A |
| M-Martensite C- Carbide A-Austenite | |||
Ọ bụrụ na ị nwere ajụjụ ihe onwunwe pụrụ iche, biko kpọtụrụ onye injinia anyị ka o nyere gị aka!
Nick Sun [email protected]
Oge nzipu: Jun-19-2020