www(dot)mouldingparts.com/Crusher-parts/Crushing-wall.html high-chromium alloy Crushing wall Features: 1, Hardness: HB 220 ... ~240 2, Production capability: More than45000tons/year 3, Material & Standard: High ... manganese steel, Mn14Cr2, Mn18Cr2, Mn24Cr3, Cr20, Cr24up,Carbon steel, Cr-Mo alloy steel; Standards as ...