Yeah, they are. These are "loop-in-loop" chains. Unlike chain maile though, the rings are soldered , then woven together.Nice work John! Are these done with individual rings like chain maile?
Rolling mill to even it up and square it, then file each side with the chain secured to a board to get more crisp edges. If I had a draw plate with large enough holes , I'd probably use thatDid you draw the byzantine through a plate, rolling mill or other? Just curious. There's quite a few chainmailler's that want the look but expect it with butted, not soldered chainmaille.