I-1.Insimbi yensimbi iwuhlobo lwensimbi yensimbi eyenzelwe ukusetshenziselwa amathuluzi ahlukahlukene kanye nezingxenye zomshini.Ukwakheka kwayo kuklanyelwe ukuhlinzeka ngenhlanganisela yobulukhuni, amandla, nokumelana nokugqoka.Izinsimbi zamathuluzi ngokuvamile ziqukethe inani eliphezulu lekhabhoni (0.5% ukuya ku-1.5%) nezinye izakhi ze-alloying ezifana ne-chromium, i-tungsten, i-molybdenum, i-vanadium, ne-manganese.Kuye ngohlelo lokusebenza, izinsimbi zamathuluzi zingaqukatha ezinye izakhi ezihlukahlukene, njenge-nickel, i-cobalt, ne-silicon.
2.Inhlanganisela ethize yezakhi ze-alloying ezisetshenziselwa ukudala insimbi yensimbi izohluka kuye ngokuthi izakhiwo ezifunwayo kanye nesicelo.Izinsimbi zamathuluzi ezisetshenziswa kakhulu zihlukaniswa njengensimbi enesivinini esikhulu, insimbi esebenza ngamakhaza, nensimbi yokusebenza okushisayo.”