Kuri ogm pellet urusyo: ogm-0.8, OGM-1.5, OGM-6, nibindi.
Ukurikije ibisabwa byabakiriya cyangwa ibishushanyo bihuye, dushobora gutunganya impeta ipfa hamwe nuburyo butandukanye.
Impeta yapfuye ifite ubuso bwiza burangiye, granulation nziza ihagaze, hagaragaye neza, imiterere mibi, igabanuka ryibikoresho byanduye, bigabanuka kwifu hamwe nibisohoka neza. Igikorwa cyo gukora neza kigaragara kirenze cyane kuruta urw'urungano.
Inzora nyinshi zurukuta rwumwobo rwimpeta zirisha umwobo ugabanya imisatsi ya mold, ingirakamaro yo kunoza umusaruro wibikoresho binyuze mugutezimbere ibikoresho byangiza, biremeza neza impeta isohoka.
Kugirango ubuzima bwiza kandi bwa serivisi bwimpeta bupfa, itandukaniro riri hagati yimyangamizi ikomeye ya 46cr11 impeta ya HRC52-55 nibindi ntibikurenze HRC2.
Impeta ipfa irashyuha ku bushyuhe bwinshi (1050 °) no kuzimya no gukonjesha byihuse. Muriki gikorwa, umubiri upfa uzagira uburyo buke bwa 0.3 ~ 1.0mm. Ikosa ryimyumvire yimpeta ripfa rishobora kugera kuri 0.05 ~ 0.15M binyuze mu gusya.