... pipe, seamless tube, welded tube, bar, wire, sheet Characteristic:36 alloy is a special ultra-low coefficient of heat expansion ... Good toughness and plasticMetallurgical structureInvar 36 is the face centered cubic lattice structureCorrosion resistanceInvar 36 has corrosion resistance in the ... humid air, there may be corrosion (rust).Applied fieldInvar 36 suit for need to apply ultra-low coefficient of ...