What is true regarding the minimum allowable bend radii for aluminum alloy and steel tubing of 1.5 inches OD or less?

The minimum allowable bend radii for tubing is critical for maintaining the structural integrity and performance of the material. In the case of aluminum alloy and steel tubing with an outside diameter of 1.5 inches or less, the bend radii differ due to the unique material properties of each metal.

For aluminum, the material is softer and more malleable, which allows it to be bent into tighter radii without risking deformation or failure. In contrast, steel, which is stronger but less flexible than aluminum, requires a larger radius to prevent cracking and maintain its shape during the bending process. As a result, the minimum bend radius for steel is greater than for aluminum, reflecting the mechanical properties and behaviors of the two materials under stress. This understanding is fundamental in applications where tubing is involved, ensuring safety and functionality in the design and installation of fluid lines and fittings.