50 mm Diameter Magnesium Alloy Tube (IMAGE) DOE/Pacific Northwest National Laboratory Caption A 50 mm diameter tube with a 1.5 mm wall thickness created from a solid chunk of magnesium alloy using PNNL's ShAPE™ extrusion process. Credit PNNL Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.