What materials are typically utilized for dive tanks?

Dive tanks are primarily made from aluminum and steel due to their specific properties that are ideal for underwater use.

Aluminum tanks are popular because they are lightweight and resistant to corrosion, particularly from saltwater environments. They are also more durable under typical conditions experienced during diving. This makes them easy to handle and transport, especially for recreational divers who may be using and moving tanks frequently.

Steel tanks, on the other hand, are heavier than aluminum, which can actually be beneficial for certain diving scenarios, such as having additional ballast while descending. Steel is also thicker and can hold higher pressures, allowing for more air volume in a smaller tank size compared to aluminum.

The combination of these materials ensures that dive tanks are strong, reliable, and safe for storing compressed air at high pressures, which is critical for the safety and efficiency of diving activities.