Kaiser Aluminum Corporation has commenced expansion of its Kaiser Alexco hard-alloy aerospace extrusion facility in Chandler, Ariz. The investment of approximately $11 million is expected to be completed by the end of 2011 and will provide additional extrusion and heat-treat capacity to meet growing demand. According to Kaiser Aluminum, the expansion of the facility will further enhance the company's position as a strategic supplier of aerospace extrusions in addition to value-added plate, sheet, cold-finish products and drawn tube.