In my opinion Steel, but I'm not sure. Didn't want to preform a spark test.Can you tell if they,re steel or cast iron? Makes a difference for the real cannonball experts.
The CannonballGuy is the man on these.He,ll likely be along.In my opinion Steel, but I'm not sure. Didn't want to preform a spark test.
I'm a Car Truck guy. Cast in that industry has always looked pitted or less of a smooth surface.
These where not rusted from sitting outside seem very smooth.