Cobalt yog ib qho nyuaj, lustrous, grey hlau nrog lub siab melting point (1493 ° C).Cobalt yog siv feem ntau hauv kev tsim cov tshuaj (58 feem pua), superalloys rau roj turbine hniav thiab dav hlau dav hlau cav, tshwj xeeb hlau, carbides, pob zeb diamond cuab yeej, thiab hlau nplaum.Txog tam sim no, tus tsim khoom loj tshaj ntawm cobalt yog ...
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