Yes, 1095 steel is prone to rusting if not properly cared for. It is a high-carbon steel that lacks significant amounts of alloying elements, such as chromium, which provide inherent corrosion resistance to stainless steels.

When exposed to moisture or corrosive environments, 1095 steel can undergo a chemical reaction known as oxidation, resulting in the formation of iron oxide, commonly referred to as rust. The presence of moisture, oxygen, and other corrosive substances can accelerate the rusting process.

To minimize the risk of rusting and maintain the condition of 1095 steel, it is important to follow these preventative measures:

1. Keep the steel dry: After using or cleaning tools or knives made from 1095 steel, ensure they are thoroughly dried before storing them. Moisture left on the surface can promote rust formation.
2. Apply a protective coating: Applying a thin layer of oil or a protective coating, such as wax or a rust inhibitor, to the surface of the steel can help create a barrier against moisture and oxygen, reducing the risk of rust.
3. Store in a controlled environment: Properly storing items made from 1095 steel in a dry environment with controlled humidity levels can minimize exposure to moisture and reduce the likelihood of rust formation.
4. Regular maintenance: Periodically inspect and clean 1095 steel items to remove any dirt, debris, or surface rust. Use non-abrasive materials and rust removers designed for carbon steel to preserve its appearance and prevent further rusting.

It's important to note that a certain amount of surface patina or discoloration may develop on 1095 steel over time, which is considered normal and can provide a protective layer against further corrosion. However, significant rusting should be addressed and prevented through proper care and maintenance.