| Material | Cast Iron |
| Shape | Round Tube |
| Density | 0.26 lb/in³ / 449.3 lb/ft³ / 7197 kg/m³ |
| Example Weight | 2.297 lb / 1.042 kg |
| Material | Weight (lb) | Weight (kg) |
|---|---|---|
| Aluminum | 0.861 | 0.391 |
| Titanium | 1.423 | 0.645 |
| Cast Iron (current) | 2.297 | 1.042 |
| Steel | 2.503 | 1.135 |
| Stainless Steel | 2.54 | 1.152 |
| Brass | 2.708 | 1.228 |
| Copper | 2.863 | 1.299 |