Ibisabwa ku bikoresho
Ibikoresho bya disiki ya feri bifata ibara ry’icyuma cya 250 cyo mu gihugu cyanjye, cyitwa HT250, kingana n’ibara ry’Abanyamerika rya G3000. Ibisabwa ku bintu bitatu by’ingenzi bigize imiterere y’imiti ni: C: 3.1∽3.4 Si: 1.9∽2.3 Mn: 0.6∽0.9. Ibisabwa ku mikorere ya mekanike: imbaraga zo gukurura>=206MPa, imbaraga zo kunama>=1000MPa, guhindukira>=5.1mm, ibisabwa ku bukomere hagati ya: 187∽241HBS.
