Metal Buying Guides
Side-by-side comparisons and practical advice to help you choose the right alloy and form for your project.
Alloy Comparison
6061 vs 7075 Aluminum
The two most popular aluminum alloys compared. Strength, machinability, weldability, and cost.
Alloy Comparison
304 vs 316 Stainless Steel
Both are austenitic stainless — but 316's molybdenum makes the difference in corrosive environments.
Application Guide
Aluminum vs Stainless Steel for Marine
Weight, corrosion, strength, and cost — how to choose the right metal for saltwater environments.
Form Guide
Sheet vs Plate: What's the Difference?
The thickness cutoff, available alloys, and when each form is the right choice for your project.
Looking for specific alloy data?
Our alloy guide pages have detailed properties, chemical composition, and specifications.