Uni-Line now offers aluminum tubing for all your replacement needs. It comes in a full range of sizes in 50 foot lengths. In addition some sizes are available in 5 foot lengths for convenience. Aluminum tubing meets ASTMB Standard #483. A 1435 alloy is used with a .035 wall thickness. The tubing is rated at 90 PSI with an 11,000 tensile, 9500 yield and a 25% elongation.