Tool steel round bar A2 is a type of air-hardening steel that is commonly used in the production of cutting tools, dies, and punches. It contains high levels of carbon and chromium, which make it an ideal choice for applications that require high wear resistance and toughness.

A2 tool steel is often used in manufacturing processes that involve high levels of stress and heat, such as stamping, forging, and extrusion. It is also commonly used in blanking and forming dies, gauges, knives, and punches.

A2 tool steel round bar is available in various sizes and can be used in a wide range of applications. It is easy to work with and can be machined with conventional methods. When working with A2 tool steel, it is important to take proper safety precautions, including wearing protective gear such as gloves, eye protection, and ear protection.

To maintain the optimal performance of A2 tool steel, it should be annealed after machining or grinding to prevent cracking and distortion. The steel can also be hardened by heating it to a specific temperature and then cooling it in air.