Price the ram in rifles, not in sulfur. A hundred high quality metal is the metal of two assault rifles, and the ram asks for more of it in repairs at the wall. A group that just lost a fight can rarely afford both, so build it in a week when HQM piles up and sulfur doesn't.
The rest of the bill is loot. The calculator counts the two sheets of metal and the tarp as is, and neither can be crafted: they come only from crates, road runs and the recycler. Each has other buyers: sheets go into stone high walls, tarps into planters. Set them aside the day the ram becomes the plan.
Tip
Add a siege tower to the same order. It costs wood, frags and a gear, no high quality metal at all, and gives your shooters height while the ram works.
Questions
Battering Ram ×10: how many resources?
High Quality Metal ×1,000, Wood ×5,000, Sheet Metal ×20, Tarp ×10.
Which workbench does Battering Ram need?
Workbench level 2.
How long does Battering Ram take to craft?
25 s for one, every step included.
How much scrap does researching Battering Ram take?