Drawing drums and cones

Manufacturing material: high-carbon steel, rib thickness is no less than 25 mm, polished surface, hardness is 62 HRC to a depth of no less than 5 mm, surface roughness is no less than Ra0.8.

The inner part of the drum is sprayed with ZnAl to prevent the corrosion, the working area is sprayed with a tungsten-cobalt alloy with a hardness of 1200 HV. The guaranteed drum service life is more than 22,000 hours.