Material:
35#, 45#, QT600, 40Cr or 42CrMoE connecting rod body;
The upper bearing is made of aluminum-magnesium alloy and Babbitt alloy;
ZCuSn10Pb1, aluminum-magnesium alloy or Babbitt alloy is used for the lower bearing bush;
The connecting rod bolts are forged with 40Cr, 35CrMoAlA or 42CrMoE.