Chemical composition: Carbon(C):0.90-1.35%; Manganese(Mn):11. ... 150*750,250*1000,250*1200, 250*400,250*500,250*750,400*600,500*750,600*900;side protection ... ,150*750,250*1000,250*1200,250*400,250*500, 500*750,400*600,500*750,600*900,750*1060 ... layers of jaw crusher:150*750,250*1000,400*600,500*750, 250*400, 250*750,600*900,750*1060; gratings ... to realize a win-win result. PE 250-400 Jaw Crusher Tooth plate