Iimfuno zezinto eziphathekayo
Izinto ezikwidiski yebrake zamkela umgangatho we-grey cast iron 250 welizwe lam, obizwa ngokuba yi-HT250, olingana nomgangatho we-American G3000. Iimfuneko zezinto ezintathu eziphambili zokwakheka kweekhemikhali zezi: C: 3.1∽3.4 Si: 1.9∽2.3 Mn: 0.6∽0.9. Iimfuneko zokusebenza koomatshini: amandla okutsalwa>=206MPa, amandla okugoba>=1000MPa, ukuphambuka>=5.1mm, iimfuno zobunzima phakathi: 187∽241HBS.