Sytop Cobalt Alloy Bushing is a Cobalt-Chrominum "superalloy" , they are resistance to wear ,corrosion and galling , also retain these properties in high temperature . that's why it is super . Cobalt Bushing and sleeve are the advantaged products for us , we have produced more than thousands specifications and all of them are produced upon customer’s drawing . Cobaltalloy are famous with its great wear and corrosion resistance and mostly used in Oil & gas industry , steel industry , petrochemical industry, food industry , nuclear industry,etc. Material Cobalt Alloy –Grade 3.6.12 ,694, 20 etc. Process Powder Metallurgy , it is short for PM and investment casting Hardness 38-53 HRC Density 8.4 g/cm ³ Size Diameter 8-500mm and maxium length 700mm Properties Wear and corrosion resistance, high temperature resistance Instructions Drawing made upon cutomers request Usage cooperate with other shaft and axle Tolerance control turning or grinding surface , tolerance upon drawing Production lead time Samples 10 days , normal order 20-30 days Production capacity 20,000pcs one month. Package carton or wooden case , pallet for export