This tubing meets the standards for ASTM B210, WW-T-700/2, has a length of 3 feet, a maximum operating pressure of 580 psi and is designed for the following applications: general purpose. It has an operating temperature of -112 Degrees F to 300 Degrees F, is resistant to corrosion and is made of 3003-grade aluminum. In addition, it has ¼ inch outside diameter, 0.18 inch inside diameter, with an inch system of measurement, with 0.04 inch wall thickness. This tubing is non-heat treatable.