Marketing metal sculptures to international buyers requires a blend of creativity, strategic planning, and leveraging the right platforms. Here are the most effective ways to reach a global audience:

1. Online Art Marketplaces: List your sculptures on platforms like Saatchi Art, Artsy, or Etsy. These sites attract international collectors and provide visibility.

2. Social Media Promotion: Use Instagram, Pinterest, and Facebook to showcase your work. High-quality images and videos, coupled with hashtags like #MetalSculpture or #ArtForSale, can attract buyers.

3. Participate in International Art Fairs: Events like Art Basel or Sculpture by the Sea connect artists with global buyers. Networking at these fairs can lead to commissions and sales.

4. Collaborate with Galleries: Partner with galleries that specialize in international sales. They have the expertise and clientele to market your work effectively.

5. SEO-Optimized Website: Create a professional website with a portfolio, artist statement, and contact details. Use keywords like "handmade metal sculptures" to improve search rankings.

6. Email Marketing: Build a mailing list of potential buyers and send regular updates about new pieces, exhibitions, or discounts.

7. Leverage Art Consultants: Consultants can introduce your work to high-net-worth individuals and corporate buyers worldwide.

By combining these strategies, you can expand your reach and successfully market metal sculptures to international buyers.