Easy Bend Aluminum Tubing. 1/4" OD, .032" Wall. Used with flared fittings. Bend this tubing into the shape you need without special tools or elbow fittings. It is also known as Alloy 3003.Tubing has seamless construction, which provides a smooth interior and allows it to be flared without splitting. Use with water, air, alcohol, and oil. Tubing meets ASTM B483 and has a soft (annealed) temper.