... Super Invar is an iron-nickel-cobalt alloy available in plate,sheet,rod,bar,wire,tube,pipe,etc. ... temperature.Applications include structural components for supports and substrates in optical and laser systems requiring precision measurements.Nominal Compositions: CMnSiNiCoFeMax ... . 0.020.350.20325.5Balanceavailable in plate,sheet,rod,bar,wire,tube,pipe,etc. super ...