www(dot)mouldingparts.com/Crusher-parts/Crushing-wall.html high-chromium alloy Crushing wall Features: 1, Hardness: HB 220~240 2, Production ... steel, Mn14Cr2, Mn18Cr2, Mn24Cr3, Cr20, Cr24up,Carbon steel, Cr-Mo alloy steel; Standards as following: JIS, DIN, ASTM, BS 4, Molding ...