Sanduuqa garaafka (garaafka doonka) laftiisu waa side, waxaan ku dhejin karnaa alaabta ceeriin iyo qaybaha aan u baahanahay si aan u helno ama u dhammaystirno naqshadeynta wadajirka ah ee kuleylka heerkulka sare. Sanduuqa garaafku wuxuu ka samaysan yahay garaaf macmal ah oo lagu farsameeyo farsamada. Markaa mararka qaarkood waxaa loogu yeeraa sanduuqa garaafka, marna waxaa loogu yeeraa garaaf garaaf leh. Sanduuqa garaafka waxaa badanaa loo isticmaalaa foornooyinka kala-soocda faaruqinta kala duwan, foornooyinka induction, foornooyinka sintering, foornooyinka brazing, ion foornooyinka nitridation, foornada dhalaalka ee taralum niobium, foornooyinka demiya, iwm.