Chemical composition : Co, Ni, Fe, C.Cr, Mn, Si, W size ; dia .50mm x 200mm Typical Applications It is resistant to oxdizing and reducing atmospheres up to 2100 deg F. It has excellent strength at elevated temperatures that maintained through aging characteristics occurring in the temperature range of 1300 deg F to 2100 deg F . cobalt alloy ,tungsten cobalt alloy , coblat bar