Bayani:
Co 21, cobalt tushen danda sanda cewa Forms a low carbon, austenitic gami, tare da kyakkyawan aiki hardening Properties, high zafin jiki ƙarfi da tasiri resistant.Co 21 ajiya yana da karko yayin hawan keken zafi, yana mai da su kyakkyawan zaɓi don kayan mutuwa masu zafi.ana amfani dashi akan tururi da ruwa kula da bawul da kujeru.Ana iya amfani da shi ga duk karafa masu walda, gami da bakin karfe.Yayi daidai da: Stelite 21, Polystel 21.
APPLICATIONS:
Steam Valves.Zafafan Shears.Ƙarfafa Ya Mutu.Soda Plugs.Chemical da Petrochemical Valves.
BAYANIN KYAUTATA:
Abubuwan sinadaran
| Daraja | Abubuwan sinadaran (%) | ||||||||
| 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 |
DUKIYAR JIKI:
| Daraja | Yawan yawa | Matsayin narkewa |
| Co 21 | 8.33g/cm 3 | 1295 ~ 1435 ° C |
HALAYEN JIN KAI:
| Tauri | Resistance abrasion | Rarraba ajiya | Juriya na Lalata | Macilityineab |
| HRC 27-40 | Yayi kyau | Da yawa | Yayi kyau | Kayayyakin Carbide |
MATSALOLIN GIRMAN:
| Diamita | Diamita | Diamita |
| 1/8" (3.2mm) | 5/32" (4.0mm) | 3/16" (4.8mm) |
Lura cewa masu girma dabam na musamman, ko buƙatun fakiti suna samuwa akan duk buƙatun.
BAYANI:
AWS A5.21 / ASME BPVC IIC SFA 5.21 ERCoCr-E
AWS A5.13 ECOCR-A:
Cobalt 6
ECoCr-A na'urorin lantarki suna halin da tsarin hypoeutectic, wanda ya ƙunshi hanyar sadarwa na kusan 13% eutectic chromium carbides da aka rarraba a cikin matrix na cobalt-chromium-tungsten.Sakamakon abu ne tare da haɗuwa da juriya na gaba ɗaya ga ƙananan damuwa abrasive lalacewa, tare da mahimmancin mahimmanci don tsayayya da wani mataki na tasiri.Cobalt alloys suma suna da kyau a zahiri don tsayayya da ƙura-zuwa-ƙarfe, musamman a cikin yanayin ɗabi'a masu yawa waɗanda ke da saurin kamuwa.Babban abun ciki na matrix kuma yana ba da kyakkyawan juriya ga lalata, iskar oxygen, da haɓakar zafin zafi na taurin zafi har zuwa matsakaicin 1200°F (650°C).Waɗannan gami ba su da alaƙa da canjin allotropic don haka ba sa rasa kaddarorin su idan ƙarfen tushe ya kasance mai zafi daga baya.
Ana ba da shawarar Colbalt #6 don lokuta inda lalacewa ke tare da haɓakar yanayin zafi da kuma inda lalata ke da hannu, ko duka biyun.Wasu aikace-aikace na yau da kullun sune bawuloli na kera motoci da ruwa, jagororin gani na sarkar, naushi mai zafi, ruwan wukake, da sukurori.
AWS A5.13 ECOCR-B:
Cobalt 12
ECoCr-B na lantarki da sanduna sun yi kama da abubuwan da aka yi amfani da su ta amfani da ECoCr-A (Cobalt 6) na lantarki da sanduna, ban da wani ɗan ƙaramin kaso mafi girma (kimanin 16%) na carbides.Har ila yau, gami yana da ɗan ƙaramin ƙarfi mafi girma kuma mafi kyawu da juriya ga ƙarfe-zuwa ƙarfe.Tasiri da juriya sun ragu kaɗan.Ana iya yin kayan ajiya tare da kayan aikin carbide.
ECoCr-B (Cobalt 12) na'urorin lantarki ana amfani da su tare da ECoCr-A (Cobalt 6).Zaɓin zai dogara ne akan takamaiman aikace-aikacen.
AWS A5.13 ECOCR-C:
Cobalt 1
ECoCr-C yana da kashi mafi girma (kimanin 19%) na carbides fiye da adibas da aka yi ta amfani da ko dai ECoCr-A (Cobalt 6) ko ECoCr-B (Cobalt 12).A gaskiya ma, abun da ke ciki, shine irin wannan carbides na hypereutectic na farko ana samun su a cikin microstructure.Wannan halayyar yana ba da gami mafi girman juriya tare da raguwa a cikin tasiri da juriya na lalata.Mafi girman taurin kuma yana nufin za a iya rage girman hali ta hanyar sa ido sosai akan zafin jiki, zafin jiki, da dabarun zafi.
Yayin da adibas ɗin cobalt-chromium suna ɗan ɗan yi laushi a yanayin zafi mai tsayi, yawanci ana ɗaukar su a matsayin kariya ga zafin rai.Ana amfani da na'urorin lantarki na ECoCr-C don haɓaka abubuwa kamar mahaɗa, rotors ko duk inda aka gamu da tsauri da ƙarancin tasiri.
AWS A5.13 ECOCR-E:
Cobalt 21
ECoCr-E na lantarki suna da ƙarfi da ƙarfi sosai a cikin yanayin zafi har zuwa 1600°F (871°C).Adadin ajiya suna da juriya ga girgizar zafi, oxidizing, da rage yanayi.An samo aikace-aikacen farko na waɗannan nau'ikan gami a cikin abubuwan injin jet kamar injin turbine da vanes.
Ajiye madaidaicin bayani ne madaidaiciya madaidaiciya tare da ɗan ƙaramin nauyi-kashi na carbide lokaci a cikin microstructure.Saboda haka, kayan aiki yana da ƙarfi sosai kuma zai yi aiki tuƙuru.Adadin ajiya suna da kyakkyawan juriya na haɗin kai kuma suna da juriya ga yashwar cavitation.
Ana amfani da na'urorin lantarki na ECoCr-E inda juriyar girgiza zafi ke da mahimmanci.Aikace-aikace na yau da kullun;kama da na adibas da aka yi ta amfani da na'urorin lantarki na ECoCr-A (Cobalt 6);jagorar Rolls, zafi extrusion da ƙirƙira ya mutu, zafi wuƙaƙe mai ƙarfi, tong rago, datsa bawul.