Inquiry (采购产品): aluminum tubing I am designing a project for which is needed aluminum 6061 tubing with an 18" I.D. the wall thickness should be between 1/2" and 3/4". I need approx. 24" length. If this size is available in a different grade of aluminum it may work. The tube would become part of a high vacuum system chamber. Thank you, Saul Cizek - ISOMET Corp. **** Hidden Message ***** saul cizek VA 22151 USA Company: ISOMET Title: plant maintenance engineer E-mail: scizek@isomet.com **** Hidden Message ***** scizek@isomet.com