Creating a hammered or textured surface on metal is a popular technique in metalworking, offering both aesthetic appeal and functional benefits. Here are the most effective methods to achieve this effect:

1. Traditional Hammering: Using a ball-peen hammer or cross-peen hammer, strike the metal surface in a consistent pattern. This classic technique creates a dimpled or stippled texture, ideal for decorative pieces.

2. Chasing and Repoussé: This involves hammering from both sides of the metal to create intricate raised or recessed designs. It’s perfect for detailed artwork and jewelry.

3. Stamping: Metal stamps with pre-designed patterns can be hammered onto the surface for uniform textures. This is great for adding geometric or floral motifs.

4. Rolling Mills with Texture Plates: Pass the metal through a rolling mill fitted with texture plates to imprint patterns quickly and evenly. This method is efficient for large projects.

5. Dremel or Rotary Tools: Use these tools with abrasive bits to carve or etch textures into the metal. This allows for precise, custom designs.

6. Acid Etching: Apply acid-resistant masks to the metal, then submerge it in acid to create textured areas. This technique works well for industrial or artistic finishes.

7. Sandblasting: Blast the metal with fine abrasives to create a uniform matte texture. It’s excellent for functional surfaces like tools or architectural elements.

Each technique offers unique results, so experiment to find the best fit for your project. Whether you’re a DIY enthusiast or a professional, these methods will help you achieve stunning textured metal surfaces.