... /dia. 30:1). Alloy steel of aluminium, chrome & molybdenum. Seasoning, polishing & nitriding.Dia.100mm(length/dia. 30:1 ... ). Alloy steel of aluminium, chrome & molybdenum.Seasoning, polishing & nitriding. CylinderSeasoned alloy steel of aluminium, ... nitrided.Seasoned alloy steel of aluminium, chrome & molybdenum. Internal polished and nitrided.Main motor50HP AC40HP ACScreen ...