... spun casted made of high nickle and high chrome alloy Furnace Rolls n Various of designs of rollers from dia.OD ... .50mm to OD.1600mm for different application, like furnace rollers before/after coating, charge discharge rollers, support roll, ... Process: Centrifugal casting for barrel/tube, forging for journal/shaft, static /investment or sand casting for cone/trunions, welding and machining ...