Bucket Parts: 1) Strong digging capacity 2) Suitable for breaking of hard earth, sub-hard stone and land Bucket ... stainless steel, cast iron, carbon steel, pig iron, alloy steel, non-ferrous, grey iron, ductile cast iron and so on3) Process: wax ... sand-coating, shell-making, dewaxing, cleaning, pouring, cutting.4) Used for auto, valve, train, craft, door handle, hydraulic pressure, minerals machinery ...