... blocks such as paver, grassland brick, wall built brick, dam block, square ground brick, sidewalk brick and port brick etc. just ... manganese steel. After carburizing,the hardness can reach 60 degrees, lifespan can use over 100000 times. Standard brick mould can double-side ... can make the wide range of blocks:PK block,Hollow block,Paving block,block use for plaza,block use for hill slope, curb stone ect ...