Yes, you can use steel wires for making jewelry or decorations. Steel wires are durable and can be shaped into various forms, making them suitable for a range of designs. They are often used in wire wrapping techniques and can be combined with beads or other materials. However, it's important to consider the type of steel used; stainless steel is more resistant to rust and is commonly preferred for jewelry making. Additionally, steel wires may require special tools for cutting and bending, and proper safety measures should be taken during the crafting process.