En esta tesis se estudian tres carbones de la region Cundiboyacense, a partir de los cuales se formulan 25 mezclas; 9 binarias y 15 ternarias para evaluar la incidencia de las propiedades reologicas y parametros petrograficos de los carbones sobre la calidad del coque metalurgico. Los carbones y sus mezclas se caracterizaron mediante analisis proximo, ultimo, indice de hinchamiento libre, plastometria, dilatometria, reflectancia media aleatoria de la vitrinita y clases de vitrinoides. La coquizacion se realizo a nivel semi-industrial en una bateria de hornos tipo colmena. Los coques obtenidos se evaluaron mediante los indices de degradacion (M40), abrasion (M10), CRI (indice de reactividad del coque en atmosfera de CO2) y CSR (resistencia mecanica despues de la reaccion con CO2). El estudio permitio establecer que la maxima dilatacion, la maxima fluidez, los grupos vitrinoides (V7, V8, V9, V11, V12) y la reflectancia media aleatoria de la vitrinita tienen relacion directa con la calidad del coque. / Abstract. In this thesis, three coals from Cundiboyacense region were studied. 25 blends, 9 binary and 15 ternary were formulated to assess the impact of rheological properties and coal petrographic parameters on the quality of metallurgical coke. The coals and their blends were characterized by proximate, ultimate, plastometer and dilatometer analysis, free swelling index, mean random reflectance of vitrinite and vitrinoids groups. Semi-industrial level carbonization was made in a beehive oven battery. The cokes obtained were evaluated by degradation (M40), abrasion (M10), CRI (coke reactivity index in CO2 atmosphere) and CSR (mechanical strength after reaction with CO2) tests. The study established that the maximum dilatation, maximum fluidity, vitrinoids groups (V7, V8, V9, V11, and V12) and the mean random reflectance of vitrinite are related with the coke quality.