Incazelo:
I-Cobalt, induku engenalutho esekelwe ku-cobalt eyakha ikhabhoni ephansi, ingxubevange ye-austenitic, enezakhiwo ezinhle kakhulu zokuqinisa umsebenzi, amandla okushisa aphezulu kanye nokumelana nomthelela.I-Co 21deposits izinzile ngesikhathi sokuhamba ngamabhayisikili ashisayo, okuwenza abe yisinqumo esihle sezinto ezishisayo zokufa.isetshenziswa emizimbeni nasezihlalweni zamavalvu okulawula umusi noketshezi.Ingasetshenziswa kuzo zonke izinsimbi ezishiselayo, kuhlanganise nezinsimbi ezingenasici.Ilingana ne: Stellite 21, Polystel 21.
IZICELO:
Ama-Steam Valves.Ama-Shears ashisayo.Ukuqamba Kufa.Ukubhoboza Plugs.Amavalvu Amakhemikhali Nama-Petrochemical.
IMINININGWANE YOMKHIQIZO :
Ukwakheka kwamakhemikhali
| Ibanga | Ukwakheka kwamakhemikhali(%) | ||||||||
| Co | Cr | W | Ni | C | Mn | Si | Mo | Fe | |
| Co 21 | U-Bal | 27.3 | ≤0.5 | 2 | 0.25 | ≤0.5 | 1.5 | 5.5 | 1.5 |
IZIMPAWU ZOMZIMBA:
| Ibanga | Ukuminyana | I-Melting Point |
| Co 21 | 8.33g/cm3 | 1295–1435°C |
IZIMPAWU EZIJWAYELEKILE:
| Ukuqina | Ukumelana ne-Abrasion | Idiphozi Izendlalelo | Ukumelana Nokugqwala | Machilityineab |
| HRC 27~40 | Kuhle | Okuningi | Kuhle | Amathuluzi Carbide |
AMASIZI ABANGALINGILE:
| Ububanzi | Ububanzi | Ububanzi |
| 1/8” (3.2mm) | 5/32” (4.0mm) | 3/16” (4.8mm) |
Qaphela ukuthi osayizi abakhethekile, noma izidingo zokupakisha ziyatholakala kuzo zonke izicelo.
IMICIMBI:
I-AWS A5.21 /ASME BPVC IIC SFA 5.21 ERCoCr-E
I-AWS A5.13 ECOCR-A:
I-Cobalt 6
Ama-electrode e-ECoCr-A abonakala ngesakhiwo se-hypoeutectic, esihlanganisa inethiwekhi cishe engu-13% ye-eutectic chromium carbides esatshalaliswa ku-matrix yesisombululo esiqinile se-cobalt-chromium-tungsten.Umphumela uba impahla enenhlanganisela yokumelana okuphelele nokugqoka okuhugayo kwengcindezi ephansi, enokuqina okudingekile ukumelana nezinga elithile lomthelela.Ama-alloys e-cobalt nawo alungele ngokwemvelo ukumelana nokugqokwa kwensimbi kuya kwensimbi, ikakhulukazi ezimweni zomthwalo omkhulu othambekele ekubeni nenyongo.Okuqukethwe kwe-alloy ephezulu ye-matrix nakho kunikeza ukumelana okuhle kakhulu nokugqwala, i-oxidation, nokugcinwa kokushisa okuphakeme kokuqina okushisayo kuze kufike ku-1200 ° F (650 ° C).Lezi zingxubevange azikho ngaphansi kokuguqulwa kwe-allotropic ngakho-ke azilahlekelwa izakhiwo zazo uma insimbi eyisisekelo iphathwa ngokushisa.
I-Colbalt #6 inconyelwa ezimweni lapho ukuguga kuhambisana nezinga lokushisa eliphakeme nalapho ukugqwala kuhilelekile, noma kokubili.Ezinye izinhlelo zokusebenza ezijwayelekile amavalvu okugeleza ezimoto nawoketshezi, iziqondiso zamasaha amaketango, izibhakela ezishisayo, ama-shear blades, nezikulufu ze-extruder.
I-AWS A5.13 ECOCR-B:
I-Cobalt 12
Ama-electrodes nama-rods e-ECoCr-B ayefana ekubunjweni kwawo namadiphozithi enziwe kusetshenziswa ama-electrode nama-rods e-ECoCr-A (Cobalt 6), ngaphandle kwephesenti eliphezulu kancane (cishe u-16%) lama-carbides.Ingxubevange iphinde ibe nobulukhuni obuphakeme kancane futhi iqine kangcono futhi imelane nokugqokwa kwensimbi kuya kwensimbi.Umthelela nokumelana nokugqwala kwehliswa kancane.Amadiphozithi angenziwa ngomshini ngamathuluzi e-carbide.
Ama-electrode e-ECoCr-B (Cobalt 12) asetshenziswa ngokushintshana nama-electrode e-ECoCr-A (Cobalt 6).Ukukhetha kuzoncika kuhlelo lokusebenza oluthile.
I-AWS A5.13 ECOCR-C:
I-Cobalt 1
I-ECoCr-C inephesenti eliphezulu (cishe u-19%) lama-carbides kunemali efakwa kusetshenziswa i-ECoCr-A (Cobalt 6) noma i-ECoCr-B (Cobalt 12).Eqinisweni, ukwakheka, kufana nokuthi i-hypereutectic carbides eyinhloko itholakala ku-microstructure.Lesi sici sinikeza ingxubevange ukumelana nokugqoka okuphezulu okuhambisana nokuncipha komthelela nokumelana nokugqwala.Ukuqina okuphezulu nakho kusho ukuthi ukuthambekela okukhulu kungase kuncishiswe ngokuqapha ngokucophelela ukushisa kwangaphambi kwesikhathi, izinga lokushisa eliphakathi nendawo, kanye namasu okushisa angemuva.
Ngenkathi ama-deposit e-cobalt-chromium athambeka kancane emazingeni okushisa aphakeme, ngokuvamile abhekwa njengokuzivikela ekuthutheni.Ama-electrode e-ECoCr-C asetshenziselwa ukwakha izinto ezinjengama-mixers, ama-rotor nanoma yikuphi lapho kutholakala khona imihuzuko nomthelela omncane.
I-AWS A5.13 ECOCR-E:
Cobalt 21
Ama-electrode e-ECoCr-E anamandla amahle kakhulu kanye ne-ductility emazingeni okushisa afika ku-1600°F (871°C).Amadiphozithi amelana nokushaqeka okushisayo, i-oxidizing, nokunciphisa umkhathi.Ukusetshenziswa kwasekuqaleni kwalezi zinhlobo zama-alloys kwatholakala ezingxenyeni zenjini ye-jet njengama-turbine blades nama-vanes.
Idiphozi iyisisombululo esiqinile sengxubevange eqondile enesigaba se-carbide esinesisindo esiphansi uma kuqhathaniswa ku-microstructure.Ngakho-ke, i-alloy inzima kakhulu futhi izosebenza kanzima.Amadiphozithi anokumelana okuhle kakhulu kwe-self-mated galling futhi futhi amelana kakhulu nokuguguleka kwe-cavitation.
Ama-electrode e-ECoCr-E asetshenziswa lapho ukumelana nokushaqeka okushisayo kubalulekile.Izinhlelo zokusebenza ezijwayelekile;efana naleyo yediphozithi eyenziwe kusetshenziswa ama-electrode e-ECoCr-A (Cobalt 6);amaroli angumhlahlandlela, i-hot extrusion kanye ne-forging dies, ama-shear blades ashisayo, ama-tong bits, i-valve trim.