Conrad crushers diecast model. 1 50scale model crushers – Mobile Crsuher,Portable Rock Diecast Model Rock crusher This is the Cranes Etc TV review of Conrad’s 1 50 scale model of a Kleemann Mobirex MR 110 Crusher.Dec 31, 2019 So the jaw rock crusher is suitable for crushing hard materials. The wear-resistant parts of cone rock crushers are the rolled mortar wall and broken wall, generally made of Mn13Cr2 or Mn18Cr2 which makes up for the lack of toughness of the traditional high manganese steel. The casting has high hardness, good toughness, and long service life.