Fire performance isn't simply the core; bracket alloys, bolt grades, and surface systems all impact rankings
https://storage.googleapis.com/metal-craftsmanship/serving-home-owners/uncategorized/finials-with-a-future-copper-craft-that-ages-into-elegance-and-strength.html
Fire performance isn't just the core; bracket alloys, bolt grades, and surface systems all affect rankings, so assemblies are evaluated together for real-world conformity.