For digging clay, or loading the sand,mud and gravel.
1, GP/Standard bucket: all plates are Q345B, replaceable side cutter instead of blade protecter,
2, Heavy Duty Bucket: Reinforced design for cutting edge, side blade, and bottom horizontal wear strips, with gussets, blade protecter, all plates are Q345B material
3, Extreme Heavy Duty Bucket: Hardox400 material for cutting edge, weld-on heel shroud. other plates are Q345B
4, Rock Bucket: Hardox 400 material for wear plates : cutting edge, side blade, side kick plates, bottom horizontal wear strips. weld-on heel shroudother plates are Q345B
Q345B steel is a kind of construction equipments material which yield strength is 345Mpa, for detailed mechanical property, pls check Property of chinese low alloy steel material Q345B
Hardox400 is a sweden made steel notable for its high wear resistance and toughness, yield strength could be 1000Mpa. for more information please check Property of Hardox400 and Hardox500