How strong is cast iron? The "American Heritage Dictionary" defines "cast-iron" as an adjective: 1. Made of cast iron. 2. Rigid; inflexible: a cast-iron rule. 3. Exceptionally strong or resistant: a cast-iron stomach.
We have many customers using our cast iron brackets for counter overhangs and fireplace mantle supports. But please note, that although cast iron is extremely strong it is also brittle, if dropped it will usually break.