1.Teeth,adaptor,guard plate for General Purpose Bucket and Heavy Duty Bucket is made of  cast steel.

2.Teeth,adaptor,guard plate,horizontal  wear straps on the backside for Rock Bucket is made of alloy steel.

3.Teeth plate and side plate for Rock Bucket is made of Hardox 500 steel.

4.Teeth plate and side wall for General Purpose Bucket  and Heavy Duty Bucket is made of Q345B steel(equal to SGC-490 steel).

5.Other parts not listed above are all made of Q345B steel(equal to SGC-490 steel).