## Common ground
All options refer to metal cans used for preserving beverages, such as soda or energy drinks.
## Options at a glance
**7310.2X – Made of iron or steel**
- **Defining trait:** Constructed from iron or steel, often with a protective coating (e.g., tin) to prevent corrosion.
- **Typical examples:** Soda cans (older-style), canned beer (some regions), food-grade beverage containers.
- **Best fit when:** The can is heavy, magnetic, and typically has a double seam with a lacquered interior.
**7612.90 – Made of aluminium**
- **Defining trait:** Lightweight, non-magnetic, and commonly used for single-use beverage cans.
- **Typical examples:** Modern soda cans, energy drink cans, beer cans (most common today).
- **Best fit when:** The can is light, easily dented, and not attracted to magnets.
## Key differences
| Feature | 7310.2X (Iron/Steel) | 7612.90 (Aluminium) |
|--------------------|------------------------|-----------------------|
| Material | Iron or steel | Aluminium |
| Weight | Heavier | Lighter |
| Magnetic? | Yes | No |
| Common use | Older or specialty cans| Modern single-use drinks |
## How to choose
- Is the can attracted to a magnet? → 7310.2X
- Is the can lightweight and easily dented? → 7612.90
## Overlaps & pitfalls
Some beverage cans use steel with an aluminum lining, but the primary material determines classification. If unsure, prioritize the dominant material. The main function (beverage preservation) is shared—use material as the deciding trait