Chrome corundum (wanda kuma aka sani da ruwan hoda corundum) ana yin shi ta hanyar sinadarai na chrome-kore da alumina na masana'antu a babban zafin jiki sama da digiri 2000.Ana ƙara wasu adadin chromium oxide yayin aikin narkewa, wanda shine launin ruwan hoda mai haske ko fure.
Chromium corundum ya yi fice a cikin ingantaccen aiki wanda ya haɗa da babban taurin, babban tauri, babban tsabta, kyakkyawan kaifi kai, ƙarfin niƙa mai ƙarfi, ƙarancin zafi mai ƙarfi, babban inganci, juriya acid da alkali, juriya mai ƙarfi, da kwanciyar hankali mai kyau na thermal.
Ƙarin sinadarin Cr a cikin chrome corundum yana inganta taurin kayan aikin sa.Yana kama da farin corundum a cikin taurin amma mafi girma cikin tauri.Kayan aikin abrasive da aka yi da chrome corundum suna da dorewa mai kyau da tsayin daka.Ana amfani dashi ko'ina a cikin abrading, niƙa, polishing, daidai simintin simintin gyare-gyaren yashi, kayan feshi, dillalan sinadarai, tukwane na musamman da sauransu.Filayen da ake amfani da su sun haɗa da: kayan aikin aunawa, ƙwanƙolin kayan aikin injin, sassan kayan aiki, madaidaicin niƙa a samarwa da ƙirar ƙira.
The chrome corundum yana da babban danko da kyawu mai kyawu saboda bangaren gilashin chromium oxide, wanda zai iya hana yashewa da shigar narkakkar slag.Hakanan ana amfani dashi ko'ina a cikin manyan filayen zafin jiki tare da yanayi mai tsauri, gami da tanderun ƙarfe mara ƙarfe, tanderun narkewar gilashi, injin baƙar fata na carbon, incinerators na shara da simintin ƙarfe.
Chromium corundum kayayyakin
Manuniya na zahiri da sinadarai
| Chromium oxide abun ciki | Low chrome 0.2 - 0.45 | chromium 0.45-1.0 | High chromium 1.0--2.0 |
Kewayon granularity
| Farashin AL2O3 | Na 2O | Fe2O3 | |
| F12--F80 | 98.20 min | 0.50 max | 0.08 max |
| F90--F150 | 98.50 min | 0.55 max | 0.08 max |
| F180--F220 | 98.00 min | 0.60 max | 0.08 max |
Yawan gaske: 3.90g/cm3 Girman yawa: 1.40-1.91g/cm3
Microhardness: 2200-2300g/mm2
Chrome Corundum Macro
| PEPA | Matsakaicin girman hatsi (μm) |
| F 020 | 850-1180 |
| F 022 | 710-1000 |
| F 024 | 600-850 |
| F 030 | 500-710 |
| F 036 | 425-600 |
| F 040 | 355-500 |
| F 046 | 300-425 |
| F 054 | 250-355 |
| F 060 | 212-300 |
| F 070 | 180-250 |
| F 080 | 150-212 |
| F 090 | 125-180 |
| F 100 | 106-150 |
| F 120 | 90-125 |
| F 150 | 63-106 |
| F 180 | 53-90 |
| F 220 | 45-75 |
| F240 | 28-34 |
Nazarin jiki na yau da kullun
| Farashin 2O3 | 99.50% |
| Cr2O3 | 0.15% |
| Na 2O | 0.15% |
| Fe2O3 | 0.05% |
| CaO | 0.05% |
Kaddarorin jiki na yau da kullun
| Tauri | 9.0 moh |
| Cmai kyau | ruwan hoda |
| Siffar hatsi | kusurwa |
| Wurin narkewa | ca.2250 ° C |
| Matsakaicin zafin sabis | ca.1900 ° C |
| Musamman nauyi | ca.3.9 - 4.1 g/cm3 |
| Yawan yawa | ca.1.3 - 2.0 g / cm3 |