Iron, Steel? Why would you want to know that for!?
The large naval artillery could fire a round 23 miles. The army and coastal artillery could fire about that far. Field Artillery were not as large and had a shorter range. Modern artillery has used rocket assisted artillery shells but I'm not sure of the range of those.
to cut sheet or aluinium metal
If a hole has been drilled in a metal sheet, the round file is used in the created hole to remove rough edges.
All sides in WW1 used artillery.
Artillery was used in ancient times for siege purposes, but not sure exactly when or where.
Artillery in WW1 was used in Battery or even larger formations.
A circular file is used to file the burrs of metal but is round all the way round instead of flat. A circular file is also slang for a trash can.
Artillery provides support for ground troops. The artillery man the cannons and howitzers. They move them, set them up and fire rounds as directed by spotters. There are many MOS's within the Artillery community. Survey, Fire Control and howitzer maintenance are all parts of the unit.
Powder, Flint, and lead balls for the muskets and pistols. Cannons (Artillery) used metal balls, powder, and a fuse/fire torch/stick.
An " artillery barrage" was the term
Ballistae. wooden artillery that fired rocks.
Artillery=Guns OR Cannons The term Guns in the military refers to Artillery. Rifles, machineguns, pistols, are called Small Arms.