1 Flint and Steel, 1 Brass Mechanisms, 1 Tripwire Hook, 1 Wrought Iron Tuyere, 1 Wrought Iron Rod, and 3 of any Lumber
1 Flint and Steel, 1 Brass Mechanisms, 1 any Lumber, 1 Wrought Iron Sheet, 1 Wrought Iron Rod, and 1 Tripwire Hook
Smithing a Cast Iron Ingot will get you 9 nuggets, and a Wrought Iron one will give you 10.
Each Iron Nugget will melt down into 10 mb of cast iron at Brilliant White.
Either 1 Musket and 1 Steel Javelin Head, or 1 Musket and 1 Steel Knife Blade