Kaboni (C): Kuchuluka kwa kaboni mu chitsulo kumawonjezeka, kuchuluka kwa zokolola, mphamvu yokoka ndi kuuma kumawonjezeka, koma pulasitiki ndi mphamvu zokhutiritsa zimachepa. Kuchuluka kwa kaboni kukapitirira 0.23%, magwiridwe antchito a chitsulo amachepa, kotero ngati chikugwiritsidwa ntchito powotcherera Kuchuluka kwa kaboni mu chitsulo chopangidwa ndi chitsulo chotsika nthawi zambiri sikupitirira 0.20%. Kuchuluka kwa kaboni kudzachepetsanso kukana dzimbiri kwa chitsulo mumlengalenga, ndipo chitsulo chochuluka cha kaboni m'bwalo lotseguka chimakhala chosavuta kuchita dzimbiri; kuphatikiza apo, kaboni imatha kuwonjezera kufooka kwa kuzizira komanso kukalamba kwa chitsulo.
Silikoni (Si): Silikoni imawonjezedwa ngati chochepetsera komanso deoxidizer popanga zitsulo, kotero chitsulo chomwe chaphedwa chimakhala ndi silicon ya 0.15-0.30%. Silikoni imatha kusintha kwambiri malire a elasticity, leaving point ndi tensile strength ya chitsulo, kotero imagwiritsidwa ntchito kwambiri ngati chitsulo chotanuka. Kuwonjezeka kwa silicon kudzachepetsa magwiridwe antchito a chitsulo chotanuka.
Manganese (Mn). Pakupanga zitsulo, manganese ndi deoxidizer yabwino komanso desulfurizer. Kawirikawiri, chitsulo chimakhala ndi manganese 0.30-0.50%. Manganese imatha kuwonjezera mphamvu ndi kuuma kwa chitsulo, kuwonjezera kuuma kwa chitsulo, kuwonjezera kutentha kwa chitsulo, ndikuchepetsa magwiridwe antchito achitsulo.
Phosphorus (P): Kawirikawiri, phosphorous ndi chinthu choopsa mu chitsulo, chomwe chimawonjezera kuuma kwa chitsulo, chimawononga magwiridwe antchito a welding, chimachepetsa pulasitiki, komanso chimawononga magwiridwe antchito a welding yozizira. Chifukwa chake, kuchuluka kwa phosphorous mu chitsulo nthawi zambiri kumafunika kukhala kochepera 0.045%, ndipo kufunikira kwa chitsulo chapamwamba kumakhala kotsika.
Sulfure (S)Sulfure ndi chinthu choopsa pazochitika zabwinobwino. Chimapangitsa chitsulo kukhala chotentha kwambiri, chimachepetsa kulimba kwa chitsulo, komanso chimayambitsa ming'alu panthawi yopangira ndi kuzunguliza. Sulfure imawononganso magwiridwe antchito a welding, imachepetsa kukana dzimbiri. Chifukwa chake, kuchuluka kwa sulfure nthawi zambiri kumafunika kukhala kochepera 0.045%, ndipo kufunikira kwa chitsulo chapamwamba kumakhala kotsika. Kuwonjezera sulfure 0.08-0.20% kuchitsulo kungathandize kukonza makina, ndipo nthawi zambiri amatchedwa chitsulo chodula chomasuka.
Vanadium (V): Kuwonjezera vanadium ku chitsulo kungathandize kukonza kapangidwe kake ndikuwonjezera mphamvu ndi kulimba.
Niobium (Nb): Niobium imatha kuyeretsa tirigu ndikuwonjezera magwiridwe antchito a welding.
Mkuwa (Cu): Mkuwa ukhoza kuwonjezera mphamvu ndi kulimba. Vuto lake ndilakuti umakhala wofooka kwambiri ukagwiritsidwa ntchito kutentha, ndipo mkuwa womwe uli mu zitsulo zosweka nthawi zambiri umakhala wochuluka.
Aluminiyamu (Al): Aluminiyamu ndi deoxidizer yomwe imagwiritsidwa ntchito kwambiri mu chitsulo. Aluminiyamu yochepa imawonjezedwa ku chitsulocho kuti isinthe tirigu ndikuwonjezera kulimba kwa kugwedezeka.