Bayani:
Co 21, sandar da aka gina bisa cobalt wacce ke samar da ƙarancin carbon, gami da austenitic, tare da kyawawan kaddarorin taurare aiki, ƙarfin zafin jiki mai yawa da juriya ga tasiri. Co 21deposits suna da karko yayin zagayowar zafi, wanda hakan ya sa su zama kyakkyawan zaɓi ga kayan zafi. Ana amfani da shi akan jikin bawul ɗin sarrafawa da ruwa da kujeru. Ana iya amfani da shi ga duk ƙarfe masu walda, gami da ƙarfen bakin ƙarfe. Yana daidai da: Stellite 21, Polystel 21.
AIKACE-AIKACE:
Bawuloli Masu Tururi. Yanka Mai Zafi. Kayan Hana Ƙirƙira. Filogi Masu Hudawa. Bawuloli Masu Sinadarai da Masu Sinadarai.
BAYANIN KAYAN:
Sinadarin sinadarai
| Matsayi | Sinadarin sinadarai (%) | ||||||||
| Co | Cr | W | Ni | C | Mn | Si | Mo | Fe | |
| Co 21 | Bal | 27.3 | ≤0.5 | 2 | 0.25 | ≤0.5 | 1.5 | 5.5 | 1.5 |
ABUBUWAN JIKI:
| Matsayi | Yawan yawa | Wurin narkewa |
| Co 21 | 8.33g/cm3 | 1295~1435°C |
HALAYEN DA AKA YI AMFANI DA SU:
| Tauri | Juriyar Abrasion | Layer na ajiya | Juriyar Tsatsa | Macilityineab |
| HRC 27~40 | Mai kyau | Da yawa | Mai kyau | Kayan Aikin Carbide |
GIRMAN MAGANGANU:
| diamita | diamita | diamita |
| 1/8” (3.2mm) | 5/32” (4.0mm) | 3/16” (4.8mm) |
Lura cewa ana samun girma dabam-dabam, ko buƙatun marufi akan duk buƙatun.
BAYANI:
AWS A5.21 /ASME BPVC IIC SFA 5.21 ERCoCr-E
AWS A5.13 ECOCR-A:
Cobalt 6
Ana siffanta electrodes na ECoCr-A da tsarin hypoeutectic, wanda ya ƙunshi hanyar sadarwa ta kusan kashi 13% na eutectic chromium carbide da aka rarraba a cikin matrix mai ƙarfi na cobalt-chromium-tungsten. Sakamakon shine abu mai haɗuwa da juriya ga lalacewar ƙarancin damuwa, tare da taurin da ake buƙata don tsayayya da wani mataki na tasiri. Hakanan ƙarfen cobalt suna da kyau don tsayayya da lalacewa daga ƙarfe zuwa ƙarfe, musamman a cikin yanayi masu nauyi waɗanda ke iya haifar da gall. Babban abun ciki na ƙarfe na matrix kuma yana ba da kyakkyawan juriya ga tsatsa, oxidation, da kuma riƙe zafin jiki mai yawa na taurin zafi har zuwa matsakaicin 1200°F (650°C). Waɗannan ƙarfe ba sa fuskantar canjin allotropic don haka ba sa rasa kaddarorinsu idan an yi maganin ƙarfe na asali daga baya.
Ana ba da shawarar Colbalt #6 ga lokuta inda lalacewa ke tare da yanayin zafi mai yawa da kuma inda tsatsa ke da alaƙa, ko duka biyun. Wasu aikace-aikacen da aka saba amfani da su sune bawuloli na kwararar motoci da ruwa, jagororin saw na sarka, bugun zafi, ruwan wukake masu yankewa, da sukurori masu fitarwa.
AWS A5.13 ECOCR-B:
Cobalt 12
Electrodes da sandunan ECoCr-B suna kama da na'urorin adanawa da aka yi amfani da na'urorin lantarki na ECoCr-A (Cobalt 6) da sanduna, sai dai wani kaso mai ɗan girma (kimanin kashi 16%) na carbide. Haka kuma, ƙarfen yana da ɗan tauri mafi girma da kuma juriyar gogewa da kuma juriyar lalacewa daga ƙarfe zuwa ƙarfe. Ana rage tasirin da kuma juriyar tsatsa kaɗan. Ana iya sarrafa na'urorin adanawa da kayan aikin carbide.
Ana amfani da na'urorin lantarki na ECoCr-B (Cobalt 12) a musayar su da na'urorin lantarki na ECoCr-A (Cobalt 6). Zaɓin zai dogara ne akan takamaiman aikace-aikacen.
AWS A5.13 ECOCR-C:
Cobalt 1
ECoCr-C yana da kaso mafi girma (kimanin kashi 19%) na carbide fiye da ma'adinan da aka yi amfani da su ta amfani da ECoCr-A (Cobalt 6) ko ECoCr-B (Cobalt 12). A zahiri, abun da ke ciki, yana da matuƙar yiwuwa a sami manyan carbide masu ƙarfi a cikin ƙananan tsarin. Wannan halayyar tana ba wa ƙarfe juriyar lalacewa mafi girma tare da raguwar tasirin da juriyar tsatsa. Babban tauri kuma yana nufin cewa za a iya rage yawan yanayin ta hanyar sa ido sosai kan dabarun dumama kafin lokaci, zafin da ke tsakanin wurare, da kuma bayan dumama.
Duk da cewa ma'adinan cobalt-chromium sun ɗan yi laushi a yanayin zafi mai yawa, yawanci ana ɗaukar su a matsayin marasa kariya daga zafin jiki. Ana amfani da electrodes na ECoCr-C don tara abubuwa kamar mahaɗa, rotors ko duk inda aka gamu da tsatsa da ƙarancin tasiri.
AWS A5.13 ECOCR-E:
Cobalt 21
Electrodes na ECoCr-E suna da ƙarfi da juriya sosai a yanayin zafi har zuwa 1600°F (871°C). Abubuwan da aka tara suna da juriya ga girgizar zafi, oxidizing, da kuma rage yanayi. An samo amfani da waɗannan nau'ikan ƙarfe da farko a cikin abubuwan da ke cikin injin jet kamar ruwan wukake na turbine da vanes.
Ma'adanin wani ƙarfe ne mai ƙarfi wanda aka daidaita shi da wani tsari mai ƙarancin nauyi-kashi na carbide a cikin ƙaramin tsari. Saboda haka, ƙarfen yana da tauri sosai kuma zai yi aiki da ƙarfi. Ma'adanin yana da kyakkyawan juriya ga gall kuma yana da juriya sosai ga yashewar cavitation.
Ana amfani da na'urorin lantarki na ECoCr-E inda juriya ga girgizar zafi take da mahimmanci. Aikace-aikacen yau da kullun; kama da na ma'adanai da aka yi ta amfani da na'urorin lantarki na ECoCr-A (Cobalt 6); na'urorin jagora, na'urorin fitar da zafi da na'urorin ƙirƙirowa, ruwan wukake masu zafi, na'urorin yankewa, da kuma kayan gyaran bawul.
