Stiles Authentic Bronze doors, frames and windows are constructed from Alloy 464 Naval Brass, also known as Alloy C464 Naval Bronze. Alloy 464 is a very strong, durable bronze and performs exceptionally well in both interior and exterior environments.
| Properties (min) | Tensile Strength, psi | 75,000 |
|---|---|---|
| Yield Strength, psi | 52, 900 | |
| Elongation | 20% | |
| Rockwell Hardness | B82 | |
| Chemistry | Copper (Cu) | 59-62% |
| Zinc (Zn) | 39.25% | |
| Iron (Fe) | 0.10% (max) | |
| Tin (Sn) | 0.5 - 1.00% |