Tlhaloso:
Co 21, cobalt e thehiloeng molamu o se nang letho o etsang khabone e tlase, alloy ea austenitic, e nang le thepa e ntle ea ho thatafatsa mosebetsi, matla a mocheso o phahameng le ts'ebetso e hanyetsanang.Co 21deposits e tsitsitse nakong ea libaesekele tse futhumetseng, e ba etsa khetho e ntle bakeng sa lisebelisoa tse chesang tsa ho shoa.e sebelisoa holim'a lihlopha le litulo tse laolang mouoane le metsi.E ka sebelisoa ho litšepe tsohle tse chesehang, ho kenyelletsa le litšepe tse sa hloekang.E lekana le: Stellite 21, Polystel 21.
LIKOPO:
Li-valve tsa mouoane.Li-Shears tse chesang.Ho Forging Shoes.Li-plugs tsa ho phunya.Li-valve tsa lik'hemik'hale le tsa Petrochemical.
DINTLHA TSA SEHLAHLISO :
Sebopeho sa lik'hemik'hale
| Kereiti | Sebopeho sa lik'hemik'hale(%) | ||||||||
| Co | Cr | W | Ni | C | Mn | Si | Mo | Fe | |
| Ko 21 | Bal | 27.3 | ≤0.5 | 2 | 0.25 | ≤0.5 | 1.5 | 5.5 | 1.5 |
LITABA TSA 'MELE:
| Kereiti | Botenya | Melting Point |
| Ko 21 | 8.33g/cm3 | 1295–1435°C |
LITŠOANTŠISO TSE TLANG:
| Ho thatafala | Abrasion Resistance | Likarolo tsa depositi | Khanyetso ea Corrosion | Machilityineab |
| HRC 27-40 | E ntle | Tse ngatanyana | E ntle | Lisebelisoa tsa Carbide |
LIKOLO TSE TŠOANENG:
| Diameter | Diameter | Diameter |
| 1/8" (3.2mm) | 5/32" (4.0mm) | 3/16" (4.8mm) |
Hlokomela hore boholo bo khethehileng, kapa litlhoko tsa ho paka li fumaneha likopong tsohle.
TLHALOSO:
AWS A5.21 /ASME BPVC IIC SFA 5.21 ERCoCr-E
AWS A5.13 ECOCR-A:
Cobalt 6
Li-electrode tsa ECoCr-A li khetholloa ka sebopeho sa hypoeutectic, se nang le marang-rang a ka bang 13% eutectic chromium carbides e ajoang ka matrix a tharollo e tiileng ea cobalt-chromium-tungsten.Phello ke boitsebiso bo nang le motsoako oa ho hanyetsa ka kakaretso ho fokotseha ha khatello ea kelello ho apara liaparo tse senyang, tse nang le boima bo hlokahalang ho hanyetsa tekanyo e itseng ea tšusumetso.Li-alloys tsa cobalt le tsona li loketse ka tlhaho bakeng sa ho hanela ho roala ha tšepe ho isa ho tšepe, haholo maemong a boima a mangata a tloaetseng ho lla.Likahare tse phahameng tsa alloy tsa matrix li boetse li fana ka khanyetso e ntle ea ho bola, oxidation, le ho boloka mocheso o phahameng oa boima bo chesang ho fihlela boholo ba 1200 ° F (650 ° C).Li-alloys tsena ha li tlas'a phetoho ea allotropic 'me ka hona ha li lahleheloe ke thepa ea tsona haeba tšepe ea motheo ka mor'a moo e phekoloa mocheso.
Colbalt #6 e khothaletsoa bakeng sa linyeoe tseo ho roala ho tsamaeang le mocheso o phahameng le moo ho amehang ho bola, kapa ka bobeli.Lisebelisoa tse ling tse tloaelehileng ke li-valve tsa likoloi le tsa mokelikeli, litataiso tsa chain saw, litebele tse chesang, li-shear blades, le li-extruder screws.
AWS A5.13 ECOCR-B:
Cobalt 12
Li-electrode tsa ECoCr-B le li-rods li tšoana ka sebopeho ho li-deposit tse entsoeng ka li-electrode le li-electrode tsa ECoCr-A (Cobalt 6), ntle le karolo e phahameng hanyenyane (hoo e ka bang 16%) ea carbides.Alloy e boetse e na le boima bo phahameng hanyane, 'me e na le abrasive e ntlafetseng le ho hanyetsa ho roala ha tšepe ho isa ho tšepe.Tšusumetso le khanyetso ea kutu li theoleloa hanyane.Li-deposit li ka etsoa ka lisebelisoa tsa carbide.
Li-electrode tsa ECoCr-B (Cobalt 12) li sebelisoa ka tsela e sa tšoaneng le li-electrode tsa ECoCr-A (Cobalt 6).Khetho e tla itšetleha ka ts'ebeliso e khethehileng.
AWS A5.13 ECOCR-C:
Cobalt 1
ECoCr-C e na le liperesente tse holimo (hoo e ka bang 19%) ea li-carbides ho feta li-depositi tse entsoeng ho sebelisoa ECoCr-A (Cobalt 6) kapa ECoCr-B (Cobalt 12).Ha e le hantle, sebopeho, ke hore li-carbides tsa mantlha tsa hypereutectic li fumanoa ka har'a microstructure.Tšobotsi ena e fana ka khanyetso e phahameng ea alloy e tsamaeang le ho fokotseha ha tšusumetso le ho hanyetsa ha kutu.Ho thatafala ho phahameng ho boetse ho bolela hore tloaelo e kholo e ka fokotsoa ka ho lekola mocheso oa preheating ka hloko, mocheso oa interpass le mekhoa ea ho futhumatsa ka morao.
Le hoja li-deposit tsa cobalt-chromium li nolofatsa ka mokhoa o itseng mochesong o phahameng, hangata li nkoa li sa khone ho halefa.Li-electrode tsa ECoCr-C li sebelisetsoa ho haha lintho tse kang li-mixer, li-rotor kapa kae kapa kae moo ho kopanang le mahlaba a matla le tšusumetso e tlase.
AWS A5.13 ECOCR-E:
Cobalt 21
Li-electrode tsa ECoCr-E li na le matla a matle haholo le ductility mochesong o fihlang ho 1600°F (871°C).Li-deposit li hanana le ts'isinyeho ea mocheso, oxidizing, le ho fokotsa maemo a leholimo.Lisebelisoa tsa pele tsa mefuta ena ea li-alloys li ile tsa fumanoa likarolong tsa enjene ea jete tse kang li-blades tsa turbine le li-vanes.
Deposit ke tharollo e tiileng ea motsoako o otlolohileng o nang le karolo e batlang e le tlase ea boima ba peresente ea carbide ho microstructure.Ka hona, alloy e thata haholo 'me e tla sebetsa ka thata.Li-deposit li na le khanyetso e ntle ea ho itšebetsa ka borona hape li hanyetsana haholo le khoholeho ea cavitation.
Li-electrode tsa ECoCr-E li sebelisoa moo ho hanyetsanang le mocheso oa mocheso ho leng bohlokoa.Lisebelisoa tse tloaelehileng;e tšoanang le ea li-depositi tse entsoeng ka li-electrode tsa ECoCr-A (Cobalt 6);lirolo tsa tataiso, li-hot extrusion le forging dies, li-shear tse chesang, likotoana tsa tong, li-valve trim.