Daily Archives: 2020年9月21日

30CrNiMoRe Alloy Steel For Casting Shredder Hammers

Our Finland customer used the manganese steel shredder hammer to crush metal recycle material. However, the manganese hammer just can run around 150 hours. By analysis of the used hammer, the hardness of the used surface is only HB186-222. Only a few grains were found to slip on the use surface, and most of them…

Low Alloy Steel Shredder Hammer

High manganese steel is widely used in casting small-weight hammers (normally less than 90kg). However, for metal recycle shredder hammers (normally weight around 200kg-500kg), manganese steel is not suited. Our foundry uses low alloy steel for casting big shredder hammers.   Low Alloy Steel Shredder Hammer Material Element Selection The alloy composition design must fully…