Ko te Semi GPC (SGPC) mai i te paparanga whakamarumaru o te acheson furnace.Ko te pāmahana graphitization kei te awhe o 1700-2500ºC. No te hua graphitization pāmahana kaupapa. Ko te recarburizer ohaoha me te waro pumau teitei, te iti o te whanariki, te tere tere me te tere o te whakauru.
